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2024
Promising role of nanoindentation in structural material research: With a focus on high-entropy alloys
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Z. Gao, J.-i. Jang
32nd International Materials Research Congress 2024 (IMRC 2024)
Cancun, Mexico, August 18-23 (2024)
(invited)
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Recent nanoindentation studies on novel materials R&D
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J.-i. Jang
The 22nd International Nanotech Symposkum & Exhibition (Nano Korea 2024)
(Session TS05: Nanomaterials for Extreme Environments and Applications)
Goyang, Korea, July 3 - 5 (2024)
(invited)
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A nanoindentation study on the micromechanical behavior of multi layered medium-entropy alloy
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Z. Gao, D.-H. Lee, Y. Zhao, H.S. Kim, U. Ramamurty, J.-i. Jang
The 22nd International Nanotech Symposkum & Exhibition (Nano Korea 2024)
(Session TS05: Nanomaterials for Extreme Environments and Applications)
Goyang, Korea, July 3 - 5 (2024)
(honored with the Best Poster Award)
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Investigation on higher bendable martensitic microstructure for a newly developed 1.5 GPa advanced hot stamping steel
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B.-G. Yoo, S.-H. Kang, J. Kim, W. Wook, H.-J. Kim, S.K. Han, C.-H. Lee, T.W. Kwon, J.-i. Jang
9th International Conference on Hot Sheet Metal Forming of High-Performacne Steel (CHS2 – 2024)
Nashville, TN, USA, May 27-29 (2024)
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Micromechanical behavior of multi-layered medium-entropy alloy and the hydrogen effects on it
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Z. Gao, Y. Zhao, P. Wang, H.S. Kim, U. Ramamurty, J.-i. Jang
153rd TMS Annual Meeting and Exhibition (TMS 2024)
(Symposium: Additive Manufacturing: Length-Scale Phenomena in Mechanical Response)
Orlando, FL, USA, March 3 - 7 (2024).
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2023
A statistical analysis of first and second ‘pop-in’ behaviour of the spherical-tip nanoindentation of Zr-based bulk metallic glasses
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P. Saini, S. Nag, J.-i. Jang, I.-C. Choi, U. Ramamurty, R.L. Narayan
7th International Indentation Worlshop (IIW7)
Hyderabad, India, December 17-21 (2023)
(RLN's invited talk)
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Recent applications of nanoindentation to novel structural materials R&D
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J.-i. Jang, Z. Gao
7th International Indentation Worlshop (IIW7)
Hyderabad, India, December 17-21 (2023)
(invited)
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Nanomechancial investigations into the effects of hydrogen on the mechanical behavior of additively-manufactured alloy
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Y. Zhao, S.-H. Li, D.-H. Lee, J.-i. Jang, U. Ramamurty
The 11th Pacific Rim International Conference on Advanced Materials and Processing (PRICM11)
(Symposium E: Additive Manufacturing)
Jeju, Korea, November 19-23 (2023)
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Hydrogen effects on the nanomechanical behavior of nanostructured high-entropy alloys
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Y. Zhao, Z. Gao, U. Ramamurty, J.-i. Jang
The 11th Pacific Rim International Conference on Advanced Materials and Processing (PRICM11)
(Symposium M: Nano Materials and Nano Severe Plastic Deformation)
Jeju, Korea, November 19-23 (2023)
(YZ’s invited talk)
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Exploring the influence of combined pre-straining and hydrogenation on the nanomechanical behavior of selectively laser melted high-entropy alloy
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Z. Gao, D.-H. Lee, Y. Zhao, A-H. Jeon, P. Wang, H.S, Kim, U. Ramamurty, J.-i. Jang
The 11th Pacific Rim International Conference on Advanced Materials and Processing (PRICM11)
(Symposium M: Nano Materials and Nano Severe Plastic Deformation)
Jeju, Korea, November 19-23 (2023)
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On nanoindentation of severe plastic deformation processed structural alloys
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Z. Gao, D.-H. Lee, I.-C. Choi, J.-i. Jang
The 11th Pacific Rim International Conference on Advanced Materials and Processing (PRICM11)
(Symposium M: Nano Materials and Nano Severe Plastic Deformation)
Jeju, Korea, November 19-23 (2023)
(keynote talk)
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A new Al-Si casting alloy with high elastic modulus
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Y.-H. Lee, J.-M. Lee, J.-i. Jang, Y.-H. Cho
The 11th Pacific Rim International Conference on Advanced Materials and Processing (PRICM11)
(Symposium: D: Light Metals and Alloys)
Jeju, Korea, November 19-23 (2023)
(YHC’s invited talk)
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Investigation on gigapascal martensitic microstructures for higher bendability of advanced high-strength hot stamped steel
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B.-G. Yoo, J. Kim, S.-H. Kang, S.K. Han, T.W. Kwon, J.-i. Jang
Materials Science and Technology 2023 (MS&T23)
(Symposium: Advances in Understanding of Martensite in Steels II)
Columbus, OH, USA, October 1 - 5 (2023)
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Nanoindentation: Still promising tool in structural materials research
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Z. Gao, J.-i. Jang
The 17th European Congress and Exhibition on Advanced Materials and Processes (FEMS EUROMAT 2023)
Frankfurt, Germany, September 3-7 (2023).
(highlight lecture)
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Nanoindentation, yet powerful tool for structural materials R&D
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Z. Gao, A-H. Jeon, J.-i. Jang
International Conference on Processing & Manufacturing of Advanced Materials (Thermec'2023)
Vienna, Austria, July 2-7 (2023)
(invited)
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Survey of nanoindentation studies on structural materials: With a focus on high-entropy alloys
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J.-i. Jang, Z. Gao
14th Asian Workshop on Micro/Nano Forming Technology & 4th Asian Pacific Symposium on Technology of Plasticity (AWMFT-APSTP 2023)
Gangneung, Korea, May 15-18 (2023)
(plenary talk)
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Combined effects of pre-straining and hydrogenation on the nanomechanical behavior of selectively laser melted high-/medium-entropy alloys
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Z. Gao, D.-H. Lee, Y. Zhao, A-H. Jeon, U. Ramamurty, J.-i. Jang
152nd TMS Annual Meeting and Exhibition (TMS 2023)
(Symposium: Additive Manufacturing: Length-Scale Phenomena in Mechanical Response)
San Diego, CA, USA, March 19-23 (2023)
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A statistical study on incipient plasticity of medium-/high-entropy alloys
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A-H. Jeon, Y. Zhao, Z. Gao, U. Ramamurty, J.-i. Jang
152nd TMS Annual Meeting and Exhibition (TMS 2023)
(Symposium: Advances in Multi-Principal Element Alloys II)
San Diego, CA, USA, March 19-23 (2023)
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Nanoindentation and novel structural materials development
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J.-i. Jang, Z. Gao, A-H. Jeon
NanoSPD8
Bangalore, India, February 26-March 3 (2023)
(plenary talk)
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Nanoindentation and structural alloys research: Oliver-Pharr method and beyond
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J.-i. Jang
International Conference on Advances in Structural Alloys and Their Manufacturing (ASATM)
Singapore, January 10-13 (2023)
(invited)
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Local deformation behavior of selectively laser melted CoCrFeNi high-entropy alloy: A micro-tensile and nanoindentation study
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Z. Gao, D.-H. Lee, Y. Zhao, A-H. Jeon, P. Wang, U. Ramamurty, J.-i. Jang
International Conference on Advances in Structural Alloys and Their Manufacturing (ASATM)
Singapore, January 10-13 (2023)
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On the incipient plasticity observed during spherical indentation of medium-entropy alloys
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A-H. Jeon, Y. Zhao, Z. Gao, U. Ramamurty, J.-i. Jang
International Conference on Advances in Structural Alloys and Their Manufacturing (ASATM)
Singapore, January 10-13 (2023)
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2022
Influence of the combined additions of Sr and Al-5Ti-1B on the solidification behavior of an Al-7Si-0.35Mg casting alloy
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J.-Y. Lee, J.-M. Lee, K.-S. Son, J.-i. Jang, Y.-H. Cho
The 74th World Foundary Congress
Busan, Korea, October 16-20 (2022)
(YHC's invited talk)
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Recent nanoindentation studies on innovative process design for advanced structural materials
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Z. Gao, A-H. Jeon, J.-i. Jang
Materials Science and Technology 2022 (MS&T22)
Symposium: Innovative Process Design and Processing for Advanced Structural Materials
Pittsburgh, PA, USA, October 9 - 12 (2022)
(invited)
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Effect of hydrogen on the nanomechanical behavior of dual-phase nanocrystalline high-entropy alloy
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Z. Gao, Y. Zhao, A-H. Jeon, U. Ramamurty, J.-i. Jang
ECI Conference on Nanomechanical Testing In Materials Research and Development VIII
Split, Croatia, October 2-7 (2022)
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Spherical indentation study on incipient plasticity of medium-/high-entropy alloys
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A-H. Jeon, Y. Zhao, Z. Gao, U. Ramamurty, J.-i. Jang
ECI Conference on Nanomechanical Testing In Materials Research and Development VIII
Split, Croatia, October 2-7 (2022)
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Nanoindentation and structural materials research
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J.-i. Jang
2022 International Workshop on Materials Behavior at Micro- and Nano-scale (online)
Organized by Xi'an Jiatong University, China
May 31-June 1 (2022)
(invited)
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Carbon and microalloy additions for higher crashworthiness on hot stamped martensitic steel
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B.-G. Yoo, J. Kim, Z. Gao, S.-H. Kang, D.Y. Kim, S.K. Han, J.-i. Jang, S.J. Kim
16th Intenational Conference on Martensitic Transformation (ICOMAT 2022)
(Symposium: 03 Martensitic Transformation in Steels)
Virtual Conference, Korea, March 13-18 (2022)
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Statistical analysis on single versus successive pop-ins in nanoindentation tests of Zr-based bulk metallic glass
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P. Saini, U. Ramamurty, J.-i. Jang, R.L. Narayan
151th TMS Annual Meeting and Exhibition (TMS 2022)
(Symposium: Bulk Metallic Glasses XIX)
Anaheim, CA, USA, February 27-March 3 (2022)
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Significance of grain refinement on micro-mechanical properties and structures of additive-manufactured CoCrFeNi high-entropy alloy
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J.-K. Han, Y.O. Kuzminova, S.A. Evlashin, J.-i. Jang, K.-D. Liss, M. Kawasaki
151th TMS Annual Meeting and Exhibition (TMS 2022)
(Symposium: Ultrafine-grained and Heterostructured Materials (UFGH XII))
Anaheim, CA, USA, February 27-March 3 (2022)
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Composition- and grain-size-dependent hydrogen uptake and its effect on plastic deformation of face-centered cubic high-entropy alloys
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Y. Zhao, J.-M. Park, U. Ramamurty, J.-i. Jang
151th TMS Annual Meeting and Exhibition (TMS 2022)
(Symposium: Advances in Multi-Principal Element Alloys X)
Anaheim, CA, USA, February 27-March 3 (2022)
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2021
Influence of martensitic microstructures on bendability for 1.8GPa-class ultra-high-strength hot stamped steel
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B.-G. Yoo, J. Kim, H.J. Kim, S.-H. Kang, H.H. Do, S.K. Han, J.-i. Jang, S.J. Kim
Asia Steel 2021 (jointed with Automotive Steel International Conference)
(Symposium 12: Advanced Automotive Steels)
Gyeongju, Korea, December 5-9 (2021)
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Promising role of nanoindentation in structural materials research
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J.-i. Jang
Asia Steel 2021 (jointed with Automotive Steel International Conference)
(Symposium 07: Analysis/Instrumentation)
Gyeongju, Korea, December 5-9 (2021)
(keynote talk)
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Influence of hydrogen on nanomechanical behavior of additively manufactured 316L steel
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J.M. Park, Y. Zhao, D.-H. Lee, Y.M. Wang, Y.-S. Ko, D.-I. Kim, J.-Y. Suh, H.N. Han, S. Komazaki, U. Ramamurty, J.-i. Jang
International Conference on Processing & Manufacturing of Advanced Materials (Thermec' 2021)
(Symposium on Addittive Manufacturing)
Virtual Conference, June 1-5 (2021)
(JYS's invited talk)
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2020
Dynamic applications of nanoindentation: Beyond hardness and modulus
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J.-i. Jang
(Online) Symposium on Mechanical Testing at Small Length Scales
Co-organized by IIT Delhi, Industron, and Bruker
October 20-21 (2020)
(keynote talk)
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Recent nanoindentation studies on advanced structural materials: What can we additionally do with this?
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J.-i. Jang
International Workshop on Multifuctional Energy/Nano Materials (MENM 2020)
Fukuoka, Japan, February 10 (2020)
(invited)
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2019
Nanocrystalline, two phase high-entropy alloy: Strenghthening by grain boundaries versus second-phase particle
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J.-M. Park, D.-H. Lee, Z. Lu, J.-Y. Suh, M. Kawasaki, U. Ramamurty, J.-i. Jang
World Congress on High Entropy Alloys 2019 (HEA 2019)
Seattle, WA, USA, November 17-20 (2019)
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Hydrogen effects on nanomechanical behavior of additively manufactured 316L stainless steels
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J.-M. Park, Y.-M. Ku, G. Yang, Y. M. Wang, J.-Y. Suh, J.-i. Jang
ECI Conference on Nanomechanical Testing In Materials Research and Development VII
Torremolinos/Malaga, Spain, September 29-October 4 (2019)
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Bulk-state reaction for synthesizing bulk hybrid alloys through high-pressure torsion
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J.-K. Han, J.-i. Jang, T.G. Langdon, M. Kawasaki
Materials Science and Technology 2019 (MS&T19)
(Symposium: Ultra High Performance Metallic Systems for Aerospace, Defence, and Automotive Applications)
Portland, OR, USA, September 29 - October 3 (2019)
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Mechanical behavior of high-entropy alloys hydrogenated under different conditions
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Y. Zhao, J.-M. Park, D.-H. Lee, J.-Y. Suh, U. Ramamurty, J.-i. Jang
Materials Science and Technology 2019 (MS&T19)
(Symposium: Hydrogen Effects on Materials Performance)
Portland, OR, USA, September 29 - October 3 (2019)
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Nanograin formation of second phase-strengthened high-entropy alloy: Grain refinement versus particle strengthening
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J.-M. Park, D.-H. Lee, J.-i. Jang, Z. Lu, J.-Y. Suh, M. Kawasaki, U. Ramamurty
The 10th Pacific Rim International Conference on Advanced Materials and Processing (PRICM10)
(Symposium K: Nanocrystalline materials, and Ultra-fine Grained Materials)
Xi'an, P.R. China, August 18-22 (2019)
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Analysis on temperature- and rate-dependent nanomechanical behavior of nanocrystalline high-entropy alloys through
high-temperature nanoindentation
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I.-C. Choi, D.-H. Lee, J.-i. Jang, R. Schwaiger
The 10th Pacific Rim International Conference on Advanced Materials and Processing (PRICM10)
(Symposium K: Nanocrystalline materials, and Ultra-fine Grained Materials)
Xi'an, P.R. China, August 18-22 (2019)
(IC Choi's invited talk)
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Small-scale nanoindentation plasticity of a highbendability martensitic steel
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B.-G. Yoo, G. Yang, H.-H. Do, S.Y. Huh, J.-i. Jang, S.J. Kim
7th International Conference on Hot Sheet Metal Forming of High-Performance Steel (CHS2-2019)
Lulea, Sweden, June 2-5 (2019)
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Synthesis of intermetallic-based aluminum matrix nanocomposites through high-pressure torsion
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J.-K.Han, D.-H.Lee, J.-i. Jang, T. Langdon, M. Kawasaki
148th TMS Annual Meeting and Exhibition (TMS 2019)
(Symposium: Phase Transformation and Microstructural Evolution - Poster Session)
San Antonio, TX, USA, March 10-14 (2019)
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2018
Mechanical properties of precipitation-hardened high-entropy alloy processed by high-pressure torsion process
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J.-M. Park, D.-H. Lee, G. Yang, J.-Y. Suh, Z. Lu, M. Kawasaki, U. Ramamurty, J.-i. Jang
The 2nd International Conference on High-Entropy Materials (ICHEM 2018)
Jeju, Korea, December 9-12 (2018)
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Nanoindentation pop-in behavior of hydrogenated CoCrFeMnNi high-entropy alloy
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G. Yang, Y. Zhao, D.-H. Lee, J.-M. Park, M.-Y.Seok, J.-Y. Suh, U. Ramamurty, J.-i. Jang
The 2nd International Conference on High-Entropy Materials (ICHEM 2018)
Jeju, Korea, December 9-12 (2018)
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A nanomechanical study on the effects of hydrogen absorption in CoCrFeMnNi high-entropy alloy
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Y. Zhao, G. Yang, D.-H. Lee, F. Wang, Y. Xue, U. Ramamurty, J.-Y.Suh, J.-i. Jang
The 2nd International Conference on High-Entropy Materials (ICHEM 2018)
Jeju, Korea, December 9-12 (2018)
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Investigation of mechanical properties on hot stamped martensitic automotive steel
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B.-G. Yoo, G. Yang, C.W.Song, C.G. Kang,H.H. Do, S.Y. Huh, J.-i. Jang, S.J. Kim
6th International Conference on Advanced Steels (ICAS 2018)
Jeju, Korea, November 18-21 (2018)
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Nanoindentation study on the contributions of constituent layers to the golbal strength and ductility of a multi-layered steel
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M.-Y.Seok, G. Yang, J.-M. Park, D.-H. Lee, S. Nambu, T. Koseki, J.-i. Jang
6th International Conference on Advanced Steels (ICAS 2018)
Jeju, Korea, November 18-21 (2018)
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Recent applications of nanoindentation for further understanding of advanced structural materials
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D.-H. Lee, G. Yang, J.-M. Park, J.-i. Jang
Materials Science and Technology 2018 (MS&T18)
(Symposium: Small-scale Properties of Materials and Length-scale Phenomena)
Columbus, OH, USA, October 14-18 (2018)
(invited)
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Deformation mechanisms and of two different high-entropy alloys: bcc NbMoCrTial vs. fcc CoCrFeMnNi
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I.-C. Choi, Z. Lu, D.-H. Lee, J.-i. Jang, H. Chen, A. Kauffmann, M. Heilmaier, C. Brandl, R. Schwaiger
2018 European Congress and Exhibition on Advanced Materials and Process (MSE 2018)
Darmstadt, Germany, September 26-28 (2018)
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Superplastic flow and micro-mechanical response of ultrafine-grained materials
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M. Kawasaki, J.-i. Jang, T.G. Langdon
13th International Conference on Superplasticity in Advanced Materials (ICSAM 2018)
St. Petersburg, Russia, August 19-22 (2018)
(MK's keynote talk)
Proceeding paper was published in Defect and Diffusion Forum, vol. 385 (2018) pp. 9-14.
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Nanocrystallization of precipitation-hardened high-entropy alloy through high-pressure torsion process
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J.-M. Park, D.-H. Lee, G. Yang, J.-Y. Suh, M. Kawasaki, J.-i. Jang
The 16th International Nanotech Symposium & Nano-Convergence Exhibition (Nano Korea 2018)
(Session TS02: Advanced Nanomaterials)
KINTEX, Korea, July 10-13 (2018)
(honored with Silver Medal of Best Poster Award)
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Micro-scale mechanical behaviour of ultrafine-grained materials processed by high-pressure torsion
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M. Kawasaki, J.-i. Jang, T. Langdon
10th International Conference on Processing & Manufacturing of Advanced Materials (Thermec' 2018)
Paris, France, July 9-13 (2018)
(MK's keynote talk)
Proceeding paper was published in Materials Science Forum, vol. 941 (2018) pp. 1495-1500.
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Nanoindentation study on advanced structural materials: Beyond hardness and modulus
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D.-H. Lee, G. Yang, M. Kawasaki, U. Ramamurty, J.-i. Jang
6th International Indentation Workshop (IIW6)
Sapporo, Japan, July 1-6 (2018)
(invited)
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Influence of hydrogen on nanomechanical behavior in a CoCrfeMnNi high-entropy alloy
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G. Yang, Y. Zhao, D.-H. Lee, W.-J. Kim, J.-M. Park, J.-Y. Suh, J.-i. Jang
6th International Indentation Workshop (IIW6)
Spporo, Japan, July 1-6 (2018)
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Effect of hydrogen on the mechanical behavior of Ni-Nb-Zr metallic glass ribbons
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Y. Zhao, J.Y. Suh, J.-i. Jang
The 12th International Conference on Bulk Metallic Glasses (BMG-XII)
Seoul, Korea, May 27-31 (2018)
(JYS's invited talk)
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Recent applications of nanoindentation to advanced structural materials
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J.-i. Jang, D.-H. Lee, G. Yang, W.-J. Kim, J.Y. Suh
The 12th International Conference on Bulk Metallic Glasses (BMG-XII)
Seoul, Korea, May 27-31 (2018)
(invited)
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X-ray line profile analysis on nanocrystalline high-entropy alloys
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A. Heczel, M. Kawasaki, J.L. Labar, J.-i. Jang, D. Ugi, T.G. Langdon, J.Gubicza
2018 MRS Spring Meeting
(Symposium CM03: Investigating Nanostructures with X-Rays - Fundamentals and applications)
Phoenix, AZ, USA, April 2-6 (2018)
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Rapid synthesis of light weight metal matrix nanocomposites processed by high-pressure torsion
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M. Kawasaki, J.-i. Jang, T. Langdon
147th TMS Annual Meeting and Exhibition (TMS 2018)
(Symposium on Nanocomposites V: Structure-Property Relationships in Nanostructured Materials)
Pheonix, AZ, USA, March 11-15 (2018)
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2017
Nanomechanical investigation of annealing effect on strain-dependent plastic flow of nanocrystalline high-entropy alloy
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D.-H. Lee, J.-A Lee, M. Kawasaki, J.-i. Jang
2017 MRS Fall Meeting
(Symposium TC06: Mechanical Behavior at the Micro and Nanosclae-Bridging Between Computer Simulation and Experiments)
Boston, MA, USA, November 26-December 1 (2017)
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Fabrication of nanocomposite through diffusion bonding under high-pressure torsion
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M. Kawasaki, J.-i. Jang
2017 MRS Fall Meeting
(Symposium PM03: Interfacs and Interface Engineering in Inorganic Materials)
Boston, MA, USA, November 26-December 1 (2017)
(MK's invited talk)
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What can we additinoally estimate through nanoindentation?
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J.-i. Jang
The 10th Asian Workshop on Micro/Nano Forming Technology (AWMFT 2017)
Pohang, Korea, October 15-17 (2017)
(keynote talk)
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Nanoindentation: "Still" an useful for developing new structural materials
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J.-i. Jang, D.-H. Lee, W.-J. Kim, Y. Cho
2017 JIM (the Japan Insttitue of Metals and Materials) Annual Fall Meeting (161th)
The 18th KIM-JIM Symposium
Sapporo, Japan, September 6-8 (2017)
(invited)
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Microstructure and mechanical properteis of advanced nanostructured alloys
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A. Heczel, M. Kawasaki, J.L. Labar, J.-i. Jang, T.G. Langdon, J. Gubicza
12th International Conference on the Physical Properties and Application of Advanced Materials (ICPMAT2017)
Kosice, Slovakia, August 6-9 (2017)
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Fabrication of hybrid metal systems through the application of high-pressure torsion
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M. Kawasaki, J.-i. Jang, T.G. Langdon
The 7th Internatinal Conference on Nanomaterials by Severe Plastic Deformation (NanoSPD7)
Sydney, Austrailia, July 2-7 (2017)
(MK s keynote talk)
Proceeding paper was published in IOP Conference Series: Materials Science and Engineering, vol. 194 (2017) 012002.
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DOI |
Mechanical Behavior of Sub-micron-sized Nanocrystalline Pillars under Monotonic and Cyclic Loading
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J.-A Lee, B.B. Seo, M.-Y. Seok, Y. Zhao, U. Ramamurty, T.Y. Tsui, J.-i. Jang
146th TMS Annual Meeting and Exhibition (TMS 2017)
(Symposium on Mechanical Behavior of Nanostructured Materials)
San Diego, CA, USA, February 26-March 2 (2017)
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Spherical Nanoindentation Creep Behavior of Indium at Room Temperature
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W.-J. Kim, J.-A Lee, Y. Zhao, J.-i. Jang
146th TMS Annual Meeting and Exhibition (TMS 2017)
(Symposium on Mechanical and Creep Behavior of Advanced Materials: A SMD Symposium Honoring Prof. K. Linga Murty)
San Diego, CA, USA, February 26-March 2 (2017)
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Hydrogen Effects on the Mechanical Behavior of CoCrFeMnNi High-entropy Alloy: Role of Pre-strain
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Y. Zhao, D.-H. Lee, J.-A Lee, J.-Y. Suh, J.-i. Jang
146th TMS Annual Meeting and Exhibition (TMS 2017)
(Symposium on High Entropy Alloys V, San Diego Convention Center)
San Diego, CA, USA, February 26-March 2 (2017)
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Nanomechanical Behavior of Precipitation-hardened Nanocrystalline High-entropy Alloy
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D.-H. Lee, M.-Y. Seok, Z. Lu, J.-Y. Suh, U. Ramamurty, M. Kawasaki, T.G. Langdon, J.-i. Jang
3rd Pan American Materials Congress (co-located with TMS2017)
(Symposium on Nanocrystalline and Ultra-fine Grain Materials and Bulk Metallic Glasses)
San Diego, CA, USA, February 26-March 2 (2017)
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Micro-scale Mechanical Response of Ultrafine-grained Materials Processed by High-Pressure Torsion
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M. Kawasaki, J.-i. Jang, B. Ahn, T.G. Langdon
3rd Pan American Materials Congress (co-located with TMS2017)
(Symposium on Nanocrystalline and Ultra-fine Grain Materials and Bulk Metallic Glasses)
San Diego, CA, USA, February 26-March 2 (2017)
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2016
Effects of Hydrogen on the Nanomechanical Behavior of CoCrFeMnNi High-Entropy Alloy
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Y. Zhao, D.-H. Lee, M.-Y. Seok, J.-Y. Suh, J.-i. Jang
International Conference on High-Entropy Materials (ICHEM 2016)
Hsinchu, Taiwan, November 6-9 (2016)
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Effect of hydrogen on the tensile behavior of FeCoNiMnCr high entropy alloy
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J.-Y. Suh, Y. Zhao, H. Kim, M. Phaniraj, J. Shim, S. Park, J.-i. Jang
9th Pacific Rim International Conference on Advanced Materials and Processing (PRICM9)
Kyoto, Japan, August 1-5 (2016)
(JYS's invited talk)
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Stochastic nature of size effect on the rate-sensitive deformation behavior of nanocrystalline copper micropillars
|
J.-A Lee, B. B. Seo, M.-Y. Seok, Y. Zhao, T. Y. Tsui, J.-i. Jang
2016 Gordon Research Conferences on Thin Film & Small Scale Mechanical Behavior
Lewiston, ME, USA, July 24-29 (2016)
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Exploring time-dependent nanosale plasticity of nanocrystalline high-entropy alloy
|
D.-H. Lee, M.-Y. Seok, Z. Lu, J.-Y. Suh, U. Ramamurty, M. Kawasaki, T. G. Langdon, J.-i. Jang
2016 Gordon Research Conferences on Thin Film & Small Scale Mechanical Behavior
Lewiston, ME, USA, July 24-29 (2016)
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Influence of hydrogen on the nanoindentation behavior of CoCrFeMnNi high-entropy alloy
|
Y. Zhao, D.-H. Lee, M.-Y. Seok, J.-Y. Suh, J.-i. Jang
2016 Gordon Research Conferences on Thin Film & Small Scale Mechanical Behavior
Lewiston, ME, USA, July 24-29 (2016)
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Nanoindentation behavior of ion-irradiated Fe-12Cr Alloy
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H.-S. Kim, M.-Y. Seok, Y. Zhao, H.-H. Jin, J. Kwon, J.-i. Jang
2016 Gordon Research Conferences on Structural Nanomaterials
Hong Kong, China, July 10-15 (2016)
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Nanoindentation study on the contributions of constituent layers to the global strength and ductility of a multi-layered steel
|
M.-Y. Seok, J.-A Lee, D.-H Lee, U. Ramamurty, S. Nambu, T. Koseki, J.-i. Jang
2016 Gordon Research Conferences on Structural Nanomaterials
Hong Kong, China, July 10-15 (2016)
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Hydrogen transport properties through Ni-Nb-Zr amorphous metallic ribbons and hydrogen effect on their mechanical properties
|
J.-Y. Suh, Y. Zhao, J.-i. Jang
9th International Conference on Processing & Manufacturing of Advanced Materials (Thermec' 2016)
Graz, Austria, May 29 - June 3 (2016)
(JYS's invited talk)
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Microscale mechanical behaviour of unique ultrafine-grained materials
|
M. Kawasaki, J.-i. Jang, B. Ahn, T.G, Langdon
9th International Conference on Processing & Manufacturing of Advanced Materials (Thermec' 2016)
Graz, Austria, May 29 - June 3 (2016)
(MK's keynote lecture)
Proceeding paper was published in Materials Science Forum, vol. 879 (2017) pp. 42-47.
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DOI |
High-pressure torsion & nanoindentation
|
J.-i. Jang, I.-C. Choi, D.-H. Lee, M. Kawasaki, T. G. Langdon
145th TMS Annual Meeting and Exhibition (TMS 2016), Ultrafine-Grained Materials IX
Nashville, TN, USA, February 14-18 (2016)
(invited)
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2015
Nanoindentation behavior of novel high-entropy alloy
|
D.-H. Lee, Y. Zhao, M.-Y. Seok, J.-i. Jang
5th International Indentation Workshop (IIW-5)
The University of Texas at Dallas, TX, USA, November 1-5 (2015)
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Time-dependent nanoscale plasticity of advanced materials
|
J.-i. Jang, I.-C. Choi,M.-Y. Seok, J.-A Lee
5th International Indentation Workshop (IIW-5)
The University of Texas at Dallas, TX, USA, November 1-5 (2015)
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Exploring the contributions of microstructural units to the mechanical properties of two-phase steels by using nanoindentation
|
M.-Y. Seok, Y. Zhao, I.-C. Choi, J.-i. Jang
5th International Indentation Workshop (IIW-5)
The University of Texas at Dallas, TX, USA, November 1-5 (2015)
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Effects of hydrogen on the nanomechanical behavior of Ni-Nb-Zr metallic glass ribbons
|
Y. Zhao, I.-C. Choi, M.-Y. Seok, U. Ramamurty, J.-Y. Suh, J.-i. Jang
14th International Union of Materials Research Societies-International Conference on Advanced Materials (IUMRS-ICAM 2015)
ICC Jeju, Korea, October 25-29 (2015)
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Nanoindentation analysis of constitutive phases and grain boundaries in two-phase steels
|
M.-Y. Seok, Y. Zhao, I.-C. Choi, J.-i. Jang
14th International Union of Materials Research Societies-International Conference on Advanced Materials (IUMRS-ICAM 2015)
ICC Jeju, Korea, October 25-29 (2015)
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Nanomechanical behavior of a nanocrystalline high-entropy alloy processed by high-pressure torsion
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M. Kawasaki, D.-H. Lee, Z. Lu, J.-Y. Suh T.G. Langdon, J.-i. Jang
14th International Union of Materials Research Societies-International Conference on Advanced Materials (IUMRS-ICAM 2015)
ICC Jeju, Korea, October 25-29 (2015)
(MK's invited talk)
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Time-dependent plasticity of nanocrystalline nickel at the nanoscale
|
Jung-A Lee, I.-C. Choi, M.-Y. Seok, J.-i. Jang
14th International Union of Materials Research Societies-International Conference on Advanced Materials (IUMRS-ICAM 2015)
ICC Jeju, Korea, October 25-29 (2015)
(invited)
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Hydrogen effects on nanoindentation behavior of metallic galss ribbons
|
Y. Zhao, I.-C. Choi, M.-Y. Seok, J.-Y. Suh, J.-i. Jang
2015 ECI Conference on Nanomechanical Testing in Materials Research and Development V
Albufeira, Portugal, October 4-9 (2015)
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Nanomechanical behavior of various UFG metallic alloys processed by high-pressure torsion
|
H.-J. Lee, I.-C. Choi, D.-H. Lee, J.-i. Jang, M. Kawasaki, T.G. Langdon
International Workshop on Giant Straining Process for Advanced Materials in 2015 (GSAM2015)
Fukuoka, Japan, September 3-6 (2015)
(honored with excellent student presentation award)
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Evolution in microstructure and mechanical behavior of a ZK60 magnesium alloy processed by high-pressure torsion
|
J.-K. Han, H.-J. Lee, I.-C. Choi, J.-i. Jang, M. Kawasaki, T.G. Langdon
International Workshop on Giant Straining Process for Advanced Materials in 2015 (GSAM2015)
Fukuoka, Japan, September 3-6 (2015)
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Small scale deformation of nanocrystalline high-entropy alloys
|
D.-H. Lee, M.-Y. Seok, Z. Lu, J.-Y. Suh, M. Kawasaki, T.G. Langdon, J.-i. Jang
2015 Gordon Research Conferences on Nano-mechanical interfaces
Hong Kong, China, July 19-24 (2015)
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Time-dependent plasticity of electroplated nanocrystalline nickel pillars
|
J.-A Lee, B.B. Seo, M.-Y. Seok, J.-i. Jang
2015 Gordon Research Conferences on Nano-mechanical interfaces
Hong Kong, China, July 19-24 (2015)
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Time-dependent nanoscale plasticity of advanced materials at room temperature
|
J.-i. Jang
Indo-US workshop on frontiers of structural materials research
Coorg, India, February 22-26 (2015)
(invited)
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Time-dependent nanoscale deformation of advanced materials at room temperature
|
J.-i. Jang, I.-C. Choi, Y.-J. Kim, M.-Y. Seok
The 21st International Symposium on Plasticity and Its Applications (Plasticity 2015)
Montego Bay, Jamaica, January 4-9 (2015)
(Keynote lecture)
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2014
Nanoindentation and hydrogen in amorphous alloys |
J.-i. Jang, Y. Zhao, I.-C. Choi, M.-Y. Seok, U. Ramamurty, J.-Y. Suh
2014 Gordon Research Conferences on Thin Film & Small Scale Mechanical Behavior
Waltham, MA, July 13-18 (2014)
|
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Nanoscale time-dependent plastic deformation of nanostructured metals |
I.-C. Choi, M.-Y. Seok, Y. Wang, J.-i. Jang
2014 Gordon Research Conferences on Thin Film & Small Scale Mechanical Behavior
Waltham, MA, July 13-18 (2014)
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Effect of time-dependent deformation on electric properties in single crystal nanomaterials |
Y.-J. Kim, T.G. Yun, I.-C. Choi, S.W. Kim, W.I. Park, S.M. Han, J.-i. Jang
2014 Gordon Research Conferences on Thin Film & Small Scale Mechanical Behavior
Waltham, MA, July 13-18 (2014)
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Prediction of flow curves of two-phase steels using nanoindentation data of constituent phases |
M.-Y. Seok, Y.-J. Kim, I.-C. Choi, Y. Zhao, J.-i. Jang
2014 Gordon Research Conferences on Thin Film & Small Scale Mechanical Behavior
Waltham, MA, July 13-18 (2014)
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Evolution of hardness, microstructure and strain-rate sensitivity in a Zn-22%Al eutectoid alloy processed by high-pressure torsion |
M. Kawasaki, H.-J. Lee, I.-C. Choi, J.-i. Jang, B. Ahn, T.G. Langdon
The 6th International Conference on Nanomaterials by Severe Plastic Deformation (NanoSPD6)
Metz, France, June 30 - July 4 (2014)
(MK's invited talk)
Proceeding paper was published in IOP Conference Series: Materials Science and Engineering, vol. 63 (2014) 012101.
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DOI |
Hydrogen mobility determining the nanomechanical behavior of hydrogenated Ni-Nb-Zr amorphous metallic ribbons |
Y. Zhao, I.-C. Choi, M.-H. Kim, D.-H. Kim, U. Ramamurty, J.-Y. Suh, J.-i. Jang
The 10th International Conference on Bulk Metallic Glasses (BMG X)
Shanghai, China, June 1-5 (2014)
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The nanomechanical properties of a Zn-22wt.% Al alloy processed by high-pressure torsion |
I.-C. Choi, Y.-J. Kim, M. Kawasaki, T.G. Langdon, J.-i. Jang
2014 TMS Annual Meeting and Exhibition
(Symposium on Mechanical Behavior at the Nanoscale II)
San Diego, CA, February 16-20 (2014)
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Predicting flow curve of dual-phase steels through nanoindentation |
M.-Y. Seok, I.-C. Choi, Y.-J. Kim, J.-i. Jang
2014 TMS Annual Meeting and Exhibition
(Symposium on Mechanical Behavior at the Nanoscale II)
San Diego, CA, February 16-20 (2014)
|
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Nanoscale creep and its coupled behavior in 1-D semiconducting nanostructures |
Y.-J. Kim, W.W. Lee, I.-C. Choi, W.I. Park, T.G. Yun, S.M. Han, J.-i. Jang
2014 TMS Annual Meeting and Exhibition
(Symposium on Mechanical Behavior at the Nanoscale II)
San Diego, CA, February 16-20 (2014)
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Nanoscale creep-fatigue behavior of indium at room temperature |
J.-A Lee, Y.-J. Kim, I.-C. Choi, T.Y. Tsui, J.-i. Jang
2014 TMS Annual Meeting and Exhibition
(Symposium on Mechanical Behavior at the Nanoscale II)
San Diego, CA, February 16-20 (2014)
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Influence of indenter geometry on hydrogen effects in nanoindentation of a linepipe steel |
D.-H. Lee, J.-A Lee, M.-Y. Seok, U.B. Baek, S.H. Nahm, J.-i. Jang
2014 TMS Annual Meeting and Exhibition
(Symposium on Mechanical Behavior at the Nanoscale II)
San Diego, CA, February 16-20 (2014)
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Hydrogen effect on the nanomechanical behavior of amorphous alloy ribbons having various Zr contents |
Y. Zhao, I.-C. Choi, Y.-J. Kim, J.-Y. Suh, J.-i. Jang
2014 TMS Annual Meeting and Exhibition
(Symposium on Mechanical Behavior at the Nanoscale II)
San Diego, CA, February 16-20 (2014)
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2013
Time-dependent mechanical-electrical coupled behavior of single crystal ZnO nanorods |
Y.-J. Kim, W.W. Lee, I.-C. Choi, T.G. Yun, S.M. Han, W.I. Park, J.-i. Jang
2013 ECI conference on Nano- And Micromechanical Testing In Materials Research and Development IV
Olhão, Algarve, Portugal, Oct 6-11 (2013)
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Nanoindentation experiments for advanced steel development |
M.-Y. Seok, Y.-J. Kim, I.-C. Choi, J.-i. Jang
2013 MRS Spring Meeting & Exhibit
(Symposium BBB: Size-Dependent and Coupled Properties of Materials)
San Francisco, CA, April 1-5 (2013)
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A nanomechanical investigation of the hydrogen effect in pipeline steel |
D.-H. Lee, J.-A Lee, M.-Y. Seok, U. B. Baek, Y.-H. Lee, S. H. Nahm, J.-i. Jang
2013 MRS Spring Meeting & Exhibit
(Symposium BBB: Poster Session: Size-Dependent and Coupled Properties of Materials)
San Francisco, CA, April 1-5 (2013)
|
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Nanomechanical analysis of creep in nanostructured materials |
I.-C. Choi, Y.-J. Kim, B.-G. Yoo, Y. Wang, J.-i. Jang
2013 MRS Spring Meeting & Exhibit
(Symposium BBB: Poster Session: Size-Dependent and Coupled Properties of Materials)
San Francisco, CA, April 1-5 (2013)
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Influences of hydrogen on the fracture behavior of weld heat affected zones in pipeline steel
|
J.-A Lee, D.-H. Lee, M.-Y. Seok, U. B. Baek, Y.-H. Lee, S. H. Nahm, J.-i. Jang
2013 MRS Spring Meeting & Exhibit
(Symposium K: Materials for Sustainable Development)
San Francisco, CA, April 1-5 (2013)
|
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Nanoscale time-dependent plasticity of 1-D nanomaterials |
Y.-J. Kim, W. W. Lee, I.-C. Choi, W. I. Park, J.-i. Jang
2013 TMS Annual Meeting and Exhibition
(Symposium on Fatigue and Fracture of Thin Films and Nanomaterials: Micromechanical Testing for Nanomaterial Failure)
San Antonio, TX, March 3-7 (2013)
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2012
Exploring time-dependent nanoscale plasticity of nanomaterials |
I.-C. Choi, Y.-J. Kim, J.-i. Jang
Materials Science & Technology 2012 (MS&T'12),
(Symposium on Novel Methods for Deformation Testing of Metals and Materials)
Pittsburgh, PA, Oct 7-11 (2012)
|
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Effect of indenter geometry on time-dependent mechanical behavior of nanostructured materials |
I.-C. Choi, Y.-J. Kim, J.-A. Lee, Y. Zhao, J.-i. Jang
Materials Science & Technology 2012 (MS&T'12),
(Poster Session: Fundamentals and Characterization)
Pittsburgh, PA, Oct 7-11 (2012)
|
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Pop-in and creep behavior of ZnO single crystal during spherical nanoindentation |
Y.-J. Kim, I.-C. Choi, M.-Y. Seok, D.-H. Lee, J.-i. Jang
Materials Science & Technology 2012 (MS&T'12),
(Poster Session: Materials Performance)
Pittsburgh, PA, Oct 7-11 (2012)
|
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Influences of hydrogen on the mechanical behavior of weld heat-affected zone in API steel pipeline |
M.-Y. Seok, D.-H. Lee, J.-A. Lee, Y.-J. Kim, Y.-H. Lee, U.B. Baek, S.H. Nahm, J.-i. Jang
XX IMEKO (International Measurement Confederation) World Congress
(TC20: Energy Measurement)
BEXCO, Busan, Korea, Sep. 9-14 (2012).
|
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Inelastic flow behavior of a Zr-based metallic glass based on a concept of geometrical stretch |
Y.-H. Lee, S.-K. Kang, J.-Y. Kim, J.-i. Jang
Internattional Union of Materials Research Society-International Conference in Asia 2012 (IUMRS-ICA 2012),
(Poster Session)
BEXCO, Busan, Korea, August 26-31 (2012)
|
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Nanoscale compression creep of ZnO nanorods |
Y.-J. Kim, W.W. Lee, I.-C. Choi, D.-H. Lee, W.I. Park, J.-i. Jang
2012 Gordon Research Conference on Thin Film & Small Scale Mechanical
Behavior
Colby Collage, Waterville, ME, July 22-27 (2012)
|
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Small-scale room temperature creep in nano-structured materials |
I.-C. Choi, Y.-J. Kim, M.-Y. Seok, Y. Zhao, J.-i. Jang
12th International Conference on Creep and Fracture of Engineering Materials and Structures (Creep 2012),
Kyoto TERRSA, Kyoto, Japan, May 27-31 (2012)
|
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Influence of isothermal aging on the nanomechanical behavior of Inconel 690 |
Y. Zhao, I.-C. Choi, Y.-J. Kim, M.-Y. Seok, J.-i. Jang
12th International Conference on Creep and Fracture of Engineering Materials and Structures (Creep 2012),
Kyoto TERRSA, Kyoto, Japan, May 27-31 (2012)
|
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New ways to estimate nano-scale creep |
J.-i. Jang
International Mini-Symposium on Modeling Mechanical Behavior at Multiple Scales
(in honor of Professor George Z. Voyiadjis),
Hanyang University, Seoul, Korea, April 8-10 (2012)
(invited)
|
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Investigating strain-induced martensitic transformation in steel through in-situ TEM test |
Y.-J. Kim, I.-C. Choi, B.-G. Yoo, J.-i. Jang
2012 TMS Annual Meeting and Exhibition
(General Poster Session),
Orlando, FL, March 11-15 (2012)
|
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Estimating stress exponent of advanced materials through spherical indentation creep test |
I.-C. Choi, B.-G. Yoo, Y.-J. Kim, M.-Y. Seok, J.-i. Jang
2012 TMS Annual Meeting and Exhibition
(General Poster Session),
Orlando, FL, March 11-15 (2012)
|
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Enhanced mechanical properties of ultrafine grained titanium deposits fabricated via high-velocity impacts of micro-sized particles |
G. Bae, J.-i. Jang, C. Lee
2012 TMS Annual Meeting and Exhibition
(Symposium on Ultrafine Grained Materials VII),
Orlando, FL, March 11-15 (2012)
|
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Time-dependent mechanical behavior of indium nanopillars |
I.-C. Choi, Y.-J. Kim, M.-Y. Seok, T.Y. Tsui, J.-i. Jang
2012 TMS Annual Meeting and Exhibition
(Symposium on Mechanical Behavior at Nanoscale I),
Orlando, FL, March 11-15 (2012)
|
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Effect of hydrogen on subsurface deformation during indentation of pipeline steel |
M.-Y. Seok, I.-C. Choi, Y.-J. Kim, D.-W. Suh, J.-i. Jang
2012 TMS Annual Meeting and Exhibition
(Symposium on Mechanical Behavior at Nanoscale I),
Orlando, FL, March 11-15 (2012)
|
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2011
Small-scale creep: Novel ways to estimate |
J.-i. Jang, I.-C. Choi, K.-S. Kim, B.-G. Yoo, Y.-J. Kim, J.-H. Oh
Thermec 2011
(Symposium on Fracture & Mechanical Behaviour),
Quebec, Canada, August 1-5 (2011)
(invited)
|
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Analysis of strengthening mechanism of Inconel 740 using nanoindentation |
I.-C. Choi, J.-H. Oh, B.-G. Yoo, Y.-J. Kim, M.-Y. Seok, J.-i. Jang
The 4th International Indentation Workshop (IIW4),
Seoul National University, Seoul, Korea, July 3-8 (2011)
|
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Investigation of strain-induced martensitic transformation in power plant material |
Y.-J. Kim, B.-G. Yoo, T. Ohmura, J.-Y. Kim, J.-Y. Seo, J.-i. Jang
The 4th International Indentation Workshop (IIW4),
Seoul National University, Seoul, Korea, July 3-8 (2011)
|
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Size-dependent creep behavior of metallic glasses |
B.-G. Yoo, Y.-J. Kim, I.-C. Choi, J.-Y. Kim, U. Ramamurty, J.-i. Jang
The 4th International Indentation Workshop (IIW4),
Seoul National University, Seoul, Korea, July 3-8 (2011)
|
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Indentation-induced nanocrystallization in amorphous alloys |
B.-G. Yoo, I.-C. Choi, J.-Y. Seo, J.-i. Jang
The 4th International Indentation Workshop (IIW4),
Seoul National University, Seoul, Korea, July 3-8 (2011)
|
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Indentation creep revisited |
I.-C. Choi, B.-G. Yoo, Y.-J. Kim, J.-i. Jang
The 4th International Indentation Workshop (IIW4),
Seoul National University, Seoul, Korea, July 3-8 (2011)
(invited)
|
|
|
Initial strain effect in spherical indentation creep of bulk metallic glasses |
B.-G. Yoo, K.-S. Kim, J.-H. Oh, I.-C. Choi, U. Ramamurty, J.-i. Jang
The 8th International Conference on Bulk Metallic Glasses
(BMG ),
Hong Kong, May 15-19 (2011)
(honored with the best poster silver award)
|
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Small-scale uniaxial creep of metallic glass |
B.-G. Yoo, Y.-J. Kim, I.-C. Choi, J.-i. Jang,
The 8th International Conference on Bulk Metallic Glasses
(BMG ),
Hong Kong, May 15-19 (2011)
|
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Time-dependent plasticity in the small-scale: Influence of initial strain |
B.-G. Yoo, I.-C. Choi, K.-S. Kim, J.-H. Oh, Y.-J. Kim, J.-i. Jang,
2011 TMS Annual Meeting
(Symposium on Size Effects in Mechanical Behavior),
San Diego, CA, February 27-March 3 (2011)
|
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2010
Small-scale uniaxial creep test of amorphous alloys |
B.-G. Yoo, Y.-J. Kim, I.-C. Choi, and J.-i. Jang,
2010 Fall MRS Meeting
(Symposium U: Bulk Metallic Glasses and their Applications),
Boston, MA, November 29-December 3 (2010)
|
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Indentation strain and room-temperature creep during nanoindentation of bulk metallic glasses |
B.-G. Yoo, J.-H. Oh, K.-S. Kim, and J.-i. Jang,
2010 Fall MRS Meeting
(Symposium U: Bulk Metallic Glasses and their Applications),
Boston, MA, November 29-December 3 (2010)
|
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Mechanical properties and size effect of <111>-oriented Si nanowires |
Y.-J. Kim, I.-C. Choi, K.-S. Son, W.-I. Park, and J.-i. Jang,
2010 Fall MRS Meeting
(Symposium P: Deformation Mechanisms, Microstructure Evolution, and Mechanical Properties of Nanoscale Materials),
Boston, MA, November 29-December 3 (2010)
|
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Effect of thermo-mechanical treatment on the microstructures and
mechanical properties in advanced superalloy |
J.-H. Oh, B.-G.
Yoo, K.-S. Kim, and J.-i. Jang,
Materials Scinece & Technology 2010 Conference & Exhibition (MS&T 2010)
(Dr. John J. Stephens, Jr. Memorial Symposium),
Houston, TX, October 17-21 (2010)
|
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Creep of nanocrystalline material at room temperature: An
indentation study |
J.-H. Oh, B.-G.
Yoo, K.-S. Kim, and J.-i. Jang,
Materials Scinece & Technology
2010 Conference & Exhibition (MS&T 2010)
(Poster Session: Materials Performance),
Houston, TX, October 17-21 (2010)
|
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Creep of bulk metallic glass at room temperature |
B.-G. Yoo, Y.-J. Kim, K.-S. Kim, and J.-i. Jang,
17th International Symposium on Metastable,
Amorphous and Nanostructured Materials
(ISMANAM 2010),
Zurich, Switzerland, July 4-9 (2010)
|
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Measuring strength of VLS-grown Si nanowires: AFM Bending vs. Nanoindentation |
Y.-J. Kim, K.-S. Son, J.-H. Jeong, W.-I. Park, and J.-i. Jang,
2010 Spring MRS Meeting
(Symposium P: Semiconductor Nanowires - Grwoth, Physics, Devices, and Applications),
San Francisco, CA, April 5-9 (2010)
|
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Indentation size effect of bulk metallic glass: A new observation |
J.-i. Jang, B.-G. Yoo, J.-H. Oh, Y.-J. Kim,
2010 TMS Annual Meeting
(Symposium: Bulk Metallic Glasses VII),
Seattle, WA, USA, February 14-18 (2010)
|
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2009
Study on the time-dependent deformation of Cu-Zr binary amorphous alloys |
B.-G. Yoo, J.-H. Oh, K.-W. Park, J.-C. Lee, J.-i. Jang,
The 7th International Conference on Bulk Metallic Glasses
(BMG ),
Busan, Korea, November 1-5 (2009)
|
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Hydrogen effect on the softening behavior of Zr-based bulk metallic glass |
B.-G. Yoo, J.-H. Oh, Y.-J. Kim, J.-i. Jang,
The 7th International Conference on Bulk Metallic Glasses
(BMG ),
Busan, Korea, November 1-5 (2009)
|
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Room-temperature creep of nanocrystalline materials: A nanoindentation study |
J.-H. Oh, B.-G. Yoo, J.-i. Jang,
16th International Symposium on Metastable,
Amorphous and Nanostructured Materials
(ISMANAM 2009),
Beijing, China, July 5-9 (2009)
|
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Nanoindentation analysis of time-dependent deformation in Cu-Zr bulk metallic glasses |
B.-G. Yoo, J.-H. Oh, K.-W. Park, J.-C. Lee, J.-I. Jang,
16th International Symposium on Metastable,
Amorphous and Nanostructured Materials
(ISMANAM 2009),
Beijing, China, July 5-9 (2009)
|
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From microphase properties to macroscopic flow curve:
A nanoindentation study on structural steel |
Y.-J. Kim, B.-W. Choi, D.-H. Seo, J.-i. Jang,
2009 ISOPE Conference (High-Performance Materials Symposium I: Instrumented Indentation),
Osaka, Japan, June 21-26 (2009)
|
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Nanoindentation hardness of bulk metallic glass: Smaller is softer or harder? |
J.-i. Jang, S.-J. Kwon, B.-G. Yoo, S.-
W. Kim, B.-W. Choi,
2009 Spring MRS Meeting (Symposium II: Probing Mechanics at Nanoscale Dimensions),
San Francisco, CA, April 13-17 (2009)
|
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2008
Influence of indenter
geometry on the nanoindentation-induced plasticity evolution in bulk
metallic glasses |
J.-i. Jang, Y.-W. Park,
B.-G. Yoo, B.-W. Choi, S.-J. Kwon,
2008 Fall MRS Meeting (Symposium EE Nano- and Microscale Materials-Mechanical
Properties and Behavior under Extreme Environments),
Boston, MA, Dec. 1-5 (2008)
|
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Variation of corrosion
behaviors of Mg and Mg-Ca alloys for bio-absorbable implant materials
with impurities and additional elements |
J.-Y. Lee, H.-J. Kim,
H.-K. Seok, Y.-C. Kim, J.-i. Jang, J.-G. Kim, S.-J. Yang, S.-Y.
Cho,
2008 Fall MRS Meeting (Symposium Z Mechanics of Biological and Biomedical
Materials),
Boston, MA, Dec. 1-5 (2008) |
|
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Eastimating stress-strain
curve of micro-phases in high strength pipeline steel using nanoindentation |
J.-i. Jang, B.-W. Choi,
D,-H, Seo, J.-Y, Yoo,
8th International Welding Symposium (Special session B II: Pipeline
Technology Now and Then),
Kyoto, Japan, Nov. 16-18 (2008)
(invited) |
|
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Irreversible structural
change of an amorphous alloy induced by elastostatic stress and its
influence on the mechanical properties |
K.-W. Park, S.-J. Lee,
J. -i. Jang, Masato Wakeda, Yoji Shibutani, J. -C. Lee,
The 6th International Conference on Bulk Metallic Glasses (BMG-VI),
Xi'an, China, May 11-15 (2008) |
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Hydrogen effect
on the plastic deformation of a Zr-based bulk metallic glass during
instrumented indentation test |
B.-G. Yoo, J.-i. Jang,
The 6th International Conference on Bulk Metallic Glasses (BMG-VI),
Xi'an, China, May 11-15 (2008) |
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A preliminary
study on hydrogen pipeline: macro-, micro-, and nano-mechanical behavior
of hydrogen-charged API linepipe steels |
Y.-T. Yoon, H.-J. Lee, B.-W.
Choi, W.-S. Kim, J.-i. Jang,
2008 Spring MRS Meeting (Symposium HH The Hydrogen Economy),
San Francisco, CA, March 24 - 28 (2008) |
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Nano-mechanical
analysis of mechanical characteristics of a ultra high strength pipeline
steel |
B.-W. Choi, J.-E. Jung,
B.-G. Yoo, D.-H. Seo, J.-i. Jang,
2008 TMS Annual Meeting (Symposium: Emerging Method to Understand
Mechanical Behavior),
New Orleans, LA, March 9 - 13 (2008) |
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Instrumented
spherical indentation of Zr-based bulk metallic glass |
B.-G. Yoo, B.-W. Choi, J.-i.
Jang,
2008 TMS Annual Meeting (Symposium: Bulk Metallic Glasses V),
New Orleans, LA, March 9 - 13 (2008) |
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Influence of indenter
angle on the mechanical/physical responses of materials during sharp
indenation |
J.-i. Jang,
International Symposium on Indentation Behaviour of Materials,
Hyderabad, INDIA, Feb. 3 - 7 (2008)
(invited) |
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2007
Nanoindentation
analysis of plasticity evolution during spherical microindentation
of bulk metallic glasses |
B.-G. Yoo, J.-i. Jang,
2007 Fall MRS Meeting (Symposium AA Fundamentals of Nanoindentation
and Nanotribology IV),
Boston, MA, Nov. 26 - 30 (2007) |
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Instrumented indentation
of bulk metallic glasses: constant loading rate test vs. constant
strain rate test |
B.-G. Yoo, J.-Y. Kim, J.-i. Jang,
14th International Symposium on Metastable and Nano Materials (ISMANAM
2007),
Corfu, Greece, August 26-30 (2007) |
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An instrumented
indentation study on mechanical behavior of bulk metallic glasses
across multi-scale from macro to nano level |
B.-G. Yoo, and J.-i. Jang,
3rd International Indentation Workshop (IIW3),
Cavendish Laboratory, Cambridge, UK, July 15-20 (2007) |
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Evaluation of
mechanical properties in hydrogen-exposed pipeline steels by using
instrumented indentation technique |
B.-W. Choi, J.-i. Jang, S. Komazaki,
S.-K. Kang, S.-W. Park, J.-Y. Kim, D. Kwon, W.-S. Kim,
3rd International Indentation Workshop (IIW3),
Cavendish Laboratory, Cambridge, UK, July 15-20 (2007) |
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Time-independent
elastic modulus of polymer materials determined by nanoindentation |
S.-K. Kang, J.-Y. Kim, G. Lee, J.-i.
Jang, and D. Kwon,
3rd International Indentation Workshop (IIW3),
Cavendish Laboratory, Cambridge, UK, July 15-20 (2007) |
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Conventional micro-Vickers
hardness as determined by instrumented indentation technique |
J.-Y. Kim, S.-K. Kang, J.-i. Jang, D.
Kwon,
3rd International Indentation Workshop (IIW3),
Cavendish Laboratory, Cambridge, UK, July 15-20 (2007) |
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Investigations
on indentation size effects using a new measure of hardness |
Y.-H. Lee, Y.-I. Kim, S.-H. Nahm, J.-i.
Jang, D. Kwon,
3rd International Indentation Workshop (IIW3),
Cavendish Laboratory, Cambridge, UK, July 15-20 (2007) |
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On small-scale
inhomogeneous plastic flows in Zr-based bulk metallic glass during
nanoindentation |
J.-i. Jang and B.-G. Yoo,
10th International Conference on the Mechanical Behavor of Materials
(ICM 10),
Busan, Korea, May 27-31 (2007) |
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Determination
of the critical indentation depth for measuring coating-only mechanical
property |
Y.-H. Lee, J.-Y. Kim, Y.-I. Kim, J.-i.
Jang, J.-H. Hahn, and D. Kwon,
10th International Conference on the Mechanical Behavor of Materials
(ICM 10),
Busan, Korea, May 27-31 (2007) |
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Recent research
on high-pressure hydrogen pipelines: a survey |
S.-K. Kang, B.-W. Choi, S.-W. Park,
K.-W. Lee, J.-i. Jang, W.-S. Kim, and D. Kwon,
World Conference on Safety of Oil and Gas Industry - 2007 (WCOGI 2007),
Gyeongju, Korea April 10-13 (2007) |
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2006
On the characterization
of thin film-only mechanical property based on the indentation image
analysis |
Y.-H. Lee, Y.-I. Kim, S.-H. Nahm, H.-S.
Jang, J.-Y. Kim, D. Kwon, and J.-i. Jang,
2006 Fall MRS Meeting (Symposium EE Size effects in the deformation
of materials),
Boston, MA, Nov 26 - Dec 1 (2006) |
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Grain size strengthening
effect vs. indentation size effect in advanced high Cr heat-resistant
steel |
J.-i. Jang, S. Shim, S. Komazaki, and
T. Honda,
2006 Fall MRS Meeting (Symposium EE Size effects in the deformation
of materials),
Boston, MA, Nov 26 - Dec 1 (2006) |
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Influence of indenter
geometry on mechanical behaviors of Zr-based bulk metallic glass during
nanoindentation |
B.-G. Yoo, J.-S. Park, Y.-H. Lee,
J.-Y. Kim, H. Choo, and J.-i. Jang,
The 5th International Conference on Bulk Metallic Glasses (BMG-V),
Awaji, Japan, October 1-5 (2006) |
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Indentation rate
effect on pop-out in silicon studied by cross-sectional TEM |
S. Wen, J. Bentley, J.-i. Jang, and
G.M. Pharr,
The 16th International Microscopy Congress (IMC16),
Sapporo, Japan, September 3-8 (2006) |
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A mechanistically-based
model for pop-out during nanoindentation of silicon |
S. Wen, J.-i. Jang, and G.M. Pharr,
High Pressure Phase Treansformations Workshop 2006,
Western Michicgan University, Kalamazoo, MI, USA, August 14-15 (2006) |
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Extraction of
flow properties of single crystal silicon carbide by nanoindentation
in combination with finite element simulation |
S. Shim, J.-i. Jang, and G.M. Pharr,
2006 Gordon Research Conference on Thin Film & Small Scale Mechanical
Behavior,
Colby Collage, Waterville, ME, July 30 ? August 4 (2006) |
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2005
Cracking during
nanoindentation of silicon and germanium and its relation to fracture
toughness |
G.M. Pharr and J.-i. Jang,
2005 Fall MRS Meeting (Symposium BB: Mechanisms of Mechanical Deformation
in Brittle Materials),
Boston, MA, Nov 28 - Dec 2 (2005) (GMP's invited talk) |
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A nanoindentation
study on elasticity and incipient plasticity in single crystal alpha-silicon
nitride |
J.-i. Jang, P.F. Becher, H. Bei, and
G.M. Pharr,
3rd Annual Workshop on High Pressure Phase Transformations,
University of Tennessee, Knoxville, TN, USA, August 15-16 (2005) |
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Extraction of
flow properties of silicon carbide using nanoindentation with pyramidal
indenters of different tip angle |
S. Shim, J.-i. Jang, and G.M. Pharr,
3rd Annual Workshop on High Pressure Phase Transformations,
University of Tennessee, Knoxville, TN, USA, August 15-16 (2005) |
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Indentation induced
phase transformation in Si ? Nanoindentation and cross-sectional TEM
study |
S. Wen, J.-i. Jang, J. Bently, and G.M.
Pharr,
3rd Annual Workshop on High Pressure Phase Transformations,
University of Tennessee, Knoxville, TN, USA, August 15-16 (2005) |
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Cracking during
nanoindentation and its relation to fracture toughness |
G.M. Pharr and J.-i. Jang,
107th Annual Meeting of the American Ceramic Society
(Symposium S2: Nanoindentation and Scanning Probe Microscopy),
Baltimore, MD, April 10-13, 2005, (GMP's invited talk) |
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Before 2005
Micro-Raman mapping
and analysis of indentation-induced phase transformations in germanium |
J.-i. Jang, M.J. Lance, S. Wen, J.J.H.
Walter, R.J. Nemanich, and G.M. Pharr,
2004 Fall MRS Meeting,
Boston, MA, Nov 29 - Dec 3, 2004.
Mater. Res. Soc. Symp. Proc. Vol. 841 (2005) pp. 291-296 |
PDF |
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UV Raman scattering
analysis of indented and machined 6H-SiC and b-Si3N4 surfaces |
J.J.H. Walter, M. Liang, X.-B. Chen,
J.-i. Jang, L. Bergman, J.A. Patten, G.M. Pharr, and R.J. Nemanich,
2004 Fall MRS Meeting,
Boston, MA, Nov 29 - Dec 3, 2004.
Mater. Res. Soc. Symp. Proc. Vol. 843 (2005)pp. 75-80
(honored with MRS Ribbon Award) |
PDF |
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Cross sectional
TEM studies of indentation-induced phase transformation in Si: indenter
angle effects |
S. Wen, J. Bentley, J.-i. Jang, and
G.M. Pharr,
2004 Fall MRS Meeting,
Boston, MA, Nov 29 - Dec 3, 2004.
Mater. Res. Soc. Symp. Proc. Vol. 841 (2005) pp. 279-284
(honored with MRS Ribbon Award) |
PDF |
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Recent observation
of indentation-induced phase transformation in Si |
G.M. Pharr, J.-i. Jang, and S. Wen,
2nd Annual Workshop on High Pressure Phase Transformations,
North Carolina State University, Raleigh, NC, August 16-17 (2004) |
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Scanning acoustic
microscopy for non-destructive evaluation of subsurface characteristics |
J. Qu, P.J. Blau, A.J. Shih, S.B. McSpadden
Jr., G.M. Pharr, and J.-i. Jang,
6th International Conference on Frontiers of Design and Manufacturing
(S.M. Wu Symposium on Manufacturing Sciences),
Xi'an, China, June 21-23 (2004) (in press) |
PDF |
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Cracking and phase
transformation in silicon during nanoindentation |
J.-i. Jang, S. Wen, M.J. Lance, I.M.
Anderson, and G.M. Pharr,
2003 Fall MRS Meeting,
Boston, MA, December 1-5, 2003.
Mater. Res. Soc. Symp. Proc. Vol. 795, pp. 313-318 |
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UV Raman scattering
in 6H-SiC indents |
J.J. Huening, J.-i. Jang, G.M. Pharr,
X. Chen, L. Bergman, R.J. Nemanich,
The 18th Annual Meeting of the American Society for Precision Engineering,
Portland, Oregon, October 26-31 (2003) Vol. 30 pp. 415, paper # 1292
(Published on CD-ROM) |
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Phase transformation
and cracking in brittle materials during nanoindentation |
G.M. Pharr, J.-i. Jang, and S. Wen,
Workshop on High Pressure Phase Transformations of Semiconductors
and Ceramics,
University of North Carolina at Charlotte, NC, USA, August 20-22 (2003) |
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Instrumented indentation
technique to measure flow properties: A novel way to to enhance the
accuracy of integrity assessment |
J.-i. Jang, Y. Choi, Y.-H. Lee, J.-S.
Lee, D. Kwon, J. Park, M. Gao, and R. Kania,
OMAE2003,
Cancun, Mexico, June 8-13 (2003)
OMAE2003-37494 (Published on CD-ROM) |
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Nondestructive/in-field
characterization of tensile properties and residual stress of welded
structures using advanced indentation technique |
Y. Choi, D. Son, K.-H. Kim, S.J. Park,
J.-i. Jang, and D. Kwon,
IWC 2002,
Gyeongju, Korea, October 28-30 (2002) pp. 668-674 |
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Safety assessment
for welds on natural gas pipelines |
J.-S. Lee, J.-B. Ju, J.-i. Jang, D.
Kwon, and W.-S. Kim,
The 1st Pipe Dreamer's Conference,
Yokohama, Japan, November 7-8 (2002) pp. 867-880 |
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Metallurgical
and mechanical features of API 5L X65 pipeline steel weldment |
J.-B. Ju, J.-S. Lee, J.-i. Jang, W.-S.
Kim, and D. Kwon,
IPC2002,
Calgary, Alberta, Canada, September 29 -October 3 (2002)
IPC02-27180 (Published on CD-ROM) |
PDF |
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Advanced indentation
techniques; NDE for flow properties and residual stresses of pipelines |
Y. Choi, D. Son, J.-i. Jang, D. Kwon,
W.-S. Kim,
IPC2002,
Calgary, Alberta, Canada, September 29 -October 3 (2002)
IPC02-27404 (Published on CD-ROM) |
PDF |
|
Evaluation of
welding residual stresses in power plant facilities by using newly
developed indentation technique |
J.-i. Jang, D. Son, Y. Choi, Y.-H. Lee,
W. Ji, D. Kwon, and S.-K. Park,
OMAE2002,
Oslo, Norway, June 23-28 (2002)
OMAE2002-28281 (Published on CD-ROM) |
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Fitness-for-service
assessment for weldments of the natural gas pipeline by using failure
assessment diagram |
J.-S. Lee, J.-B. Ju, J.-i. Jang, D.
Kwon, and W.-S. Kim,
OMAE2002,
Oslo, Norway, June 23-28 (2002)
OMAE2002-28280 (Published on CD-ROM) |
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Philosophy for fitness-for-service code of Korea Gas Corporation |
J.-S. Lee, J.-i. Jang, D. Kwon, W.-S.
Kim, and Y.-T. Kho,
the 2001 International Gas Research Conference (IGRC 2001),
Amsterdam, The Netherlands, November 5 - 8 (2001) Paper Number, TP-45
(Published on CD-ROM) |
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Evaluation of
stress-strain property variation in API X65 steel weldment using advanced
indentation technique |
J.-i. Jang, Y. Choi, Y.-H. Lee, D. Kwon,
and W.-S. Kim,
APCFS and ATEM'01,
Sendai, Japan, October 20 - 22 (2001) pp. 888-893 |
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Advanced indentation
studies on the effects of hydrogen attack on tensile property degradation
of heat-esistant steel heat-affected zones |
Y. Choi , J.-i. Jang, Y.-H. Lee, D.
Kwon, and J.-T. Kim,
The 12th Asian Pacific Corrosion Control Conference (APCCC 2001),
Seoul, Korea, October 8 - 12 (2001) pp. 1259-1267 |
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Change in crack
arrestability whithin heat-affected zones of multi-pass welded structural
steel |
J.-i. Jang, Y. Choi, D. Son, W.-S. Kim,
D. Kwon,
OMAE2001 Conference,
Rio de Janeiro, Brazil, June 3-8 (2001)
OMAE2001-3313 (Published on CD-ROM) |
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Assessment of
fracture performance of steel weldment for API X65 pipeline |
J.-B. Ju, J.-i. Jang, W.-S. Kim, D.
Kwon,
OMAE2001 Conference,
Rio de Janeiro, Brazil, June 3-8 (2001)
OMAE2001-3314 (Published on CD-ROM) |
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Evaluation of
overall strength through analyzing micro phases strengths in structural
steel using nanoindentation technique |
Y.Choi, J.-i. Jang, D. Son, D. Kwon,
OMAE2001 Conference,
Rio de Janeiro, Brazil, June 3-8 (2001)
OMAE2001-3315 (Published on CD-ROM) |
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Use of small notched
specimen for evaluating fracture toughness |
B.-W. Lee, J.-B. Ju, J.-i. Jang, D.
Kwon,
OMAE2001 Conference,
Rio de Janeiro, Brazil, June 3-8 (2001)
OMAE2001-3316 (Published on CD-ROM) |
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Evaluation of
true stress-strain curves of API X65 steel weldment using advanced indentation system |
Y.-H. Lee, E.-C. Jeon, J.-H. Ahn, Y.
Choi, J.-i. Jang, W.-S. Kim, D. Kwon,
OMAE2001 Conference,
Rio de Janeiro, Brazil, June 3-8 (2001)
OMAE2001-3317 (Published on CD-ROM) |
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Application of
advanced indentation system to evaluation of hydrogen attack susceptibility
in weld heat affected zone of Cr-Mo steel |
D. Kwon, Y.-H. Lee, J.-i. Jang, and
J.-T. Kim,
International Cooperative Group on Environmentally Assisted Cracking
of Light Water Reactor Materials (ICG-EAC) 2001 Meeting,
Kyongju Education and Culture Center, Kyongju, Korea, April 23-27
(2001) |
|
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Effect of microstructural
change on fracture characteristics in heat-affected zone of API 5L
X65 pipeline steel |
J.-B. Ju, J.-i. Jang, W.-S. Kim, and
D. Kwon,
The 3rd International Pipeline Conference (IPC2000),
The Palliser Hotel, Calgary, Alberta, Canada, October 1-5 (2000) Vol
1, pp.169-175 |
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Development and
application of small-specimen technique to evaluate materials degradation
and embrittlement |
J.-i. Jang and D. Kwon,
CUP meeting between Korea and Japan on Advanced Nuclear Materials
(CR2-1),
Tohoku University, Sendai, Japan, July 18-19 (2000) |
|
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Mechanical probe
analysis for diagnosing structural reliability of nuclear facilities |
D. Kwon and J.-i. Jang,
CUP and EAC meeting between Japan and Korea Advanced Nuclear Materials(CR2-1),
Seoul National University, Korea, March 20-21 (2000) pp.207-255 |
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Influences of
HAZ characteristics on CTOD toughness variation in multi-pass welded
cryogenic steel |
J.-i. Jang, J.-B. Ju, W.-S. Kim, D.
Kwon,
ETCE/OMAE2000 Joint Conference,
New Orleans, USA, February 14-17 (2000) pp.1-7(Published on CD-ROM) |
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Micro and macroscopic
fracture behavior of heat-affected zone in multi-pass welded cryogenic
steel |
J.-i. Jang, Y.-c. Yang, W.-S. Kim and
D. Kwon,
International conference of ASME-PVP99,
Boston, MA, U.S.A, August 1-5 (1999) PVP vol.393, pp.325-333 |
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A study on local
brittle zone phenomena in cryogenic steel weldment |
J.-i. Jang, W.-S Kim, Y.-c Yang and
D. Kwon,
ASME-OMAE99,(18th International conference of OMAE),
St. John's, Newfoundland, Canada, July 11-16 (1999),
OMAE99/MAT-2419, (Published on CD-ROM) |
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A study of fracture
toughness and microstructures in the weld heat-affected zone of QLT-processed
9% Ni-steel |
J.-i. Jang, Y. Yang, W. Kim and D. Kwon,
CEC-ICMC 97,
Portland, Oregon, July (1997) |
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