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2024

Stochastic nature of incipient plasticity in metallic glasses
U. Ramamurty, N. RL, J.-i. Jang, Y. Zhao 8th International Workshop on Flow and Fracture of Advanced Glasses (FFAG8) Tokyo, Japan, October 27-30 (2024) (UR’s invited talk)

Nanoindentation characterization of structural glasses: What can we do more?
J.-i. Jang 8th International Workshop on Flow and Fracture of Advanced Glasses (FFAG8) Tokyo, Japan, October 27-30 (2024) (invited)

Exploring micromechanical behavior of additively manufactured multi-layered medium-entropy alloy
Z. Gao, Y. Zhao, D.-H. Lee, P. Wang, U. Ramamurty, J.-i. Jang ECI Conference on Nanomechanical Testing In Materials Research and Development IX Sicily, Italy, October 6-11 (2024)

Applications of nanoindentation in high-/medium-entropy alloys R&D
J.-i. Jang, Z. Gao Materials Science and Technology 2024 (MS&T24) (Symposium: High entropy materials: Concentrated solid solutions, intermetallics, ceramics, functional materials and beyond V) Pittsburgh, PA, USA, October 6-9 (2024) (invited)

Promising role of nanoindentation in structural material research: With a focus on high-entropy alloys
Z. Gao, J.-i. Jang 32nd International Materials Research Congress 2024 (IMRC 2024) Cancun, Mexico, August 18-23 (2024) (invited)

Recent nanoindentation studies on novel materials R&D
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)

A nanoindentation study on the micromechanical behavior of multi layered medium-entropy alloy
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)

Investigation on higher bendable martensitic microstructure for a newly developed 1.5 GPa advanced hot stamping steel
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
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).

2023

A statistical analysis of first and second ‘pop-in’ behaviour of the spherical-tip nanoindentation of Zr-based bulk metallic glasses
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)

Recent applications of nanoindentation to novel structural materials R&D
J.-i. Jang, Z. Gao 7th International Indentation Worlshop (IIW7) Hyderabad, India, December 17-21 (2023) (invited)

Nanomechancial investigations into the effects of hydrogen on the mechanical behavior of additively-manufactured alloy
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)

Hydrogen effects on the nanomechanical behavior of nanostructured high-entropy alloys
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)

Exploring the influence of combined pre-straining and hydrogenation on the nanomechanical behavior of selectively laser melted high-entropy alloy
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)

On nanoindentation of severe plastic deformation processed structural alloys
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)

A new Al-Si casting alloy with high elastic modulus
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)

Investigation on gigapascal martensitic microstructures for higher bendability of advanced high-strength hot stamped steel
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)

Nanoindentation: Still promising tool in structural materials research
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)

Nanoindentation, yet powerful tool for structural materials R&D
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)

Survey of nanoindentation studies on structural materials: With a focus on high-entropy alloys
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)

Combined effects of pre-straining and hydrogenation on the nanomechanical behavior of selectively laser melted high-/medium-entropy alloys
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)

A statistical study on incipient plasticity of medium-/high-entropy alloys
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)

Nanoindentation and novel structural materials development
J.-i. Jang, Z. Gao, A-H. Jeon NanoSPD8 Bangalore, India, February 26-March 3 (2023) (plenary talk)

Nanoindentation and structural alloys research: Oliver-Pharr method and beyond
J.-i. Jang International Conference on Advances in Structural Alloys and Their Manufacturing (ASATM) Singapore, January 10-13 (2023) (invited)

Local deformation behavior of selectively laser melted CoCrFeNi high-entropy alloy: A micro-tensile and nanoindentation study
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)

On the incipient plasticity observed during spherical indentation of medium-entropy alloys
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)

2022

Influence of the combined additions of Sr and Al-5Ti-1B on the solidification behavior of an Al-7Si-0.35Mg casting alloy
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)

Recent nanoindentation studies on innovative process design for advanced structural materials
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)

Effect of hydrogen on the nanomechanical behavior of dual-phase nanocrystalline high-entropy alloy
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)

Spherical indentation study on incipient plasticity of medium-/high-entropy alloys
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)

Nanoindentation and structural materials research
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)

Carbon and microalloy additions for higher crashworthiness on hot stamped martensitic steel
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)

Statistical analysis on single versus successive pop-ins in nanoindentation tests of Zr-based bulk metallic glass
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)

Significance of grain refinement on micro-mechanical properties and structures of additive-manufactured CoCrFeNi high-entropy alloy
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)

Composition- and grain-size-dependent hydrogen uptake and its effect on plastic deformation of face-centered cubic high-entropy alloys
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)

2021

Influence of martensitic microstructures on bendability for 1.8GPa-class ultra-high-strength hot stamped steel
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)

Promising role of nanoindentation in structural materials research
J.-i. Jang Asia Steel 2021 (jointed with Automotive Steel International Conference) (Symposium 07: Analysis/Instrumentation) Gyeongju, Korea, December 5-9 (2021) (keynote talk)

Influence of hydrogen on nanomechanical behavior of additively manufactured 316L steel
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)

2020

Dynamic applications of nanoindentation: Beyond hardness and modulus
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)

Recent nanoindentation studies on advanced structural materials: What can we additionally do with this?
J.-i. Jang International Workshop on Multifuctional Energy/Nano Materials (MENM 2020) Fukuoka, Japan, February 10 (2020) (invited)

2019

Nanocrystalline, two phase high-entropy alloy: Strenghthening by grain boundaries versus second-phase particle
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)

Hydrogen effects on nanomechanical behavior of additively manufactured 316L stainless steels
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)

Bulk-state reaction for synthesizing bulk hybrid alloys through high-pressure torsion
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)

Mechanical behavior of high-entropy alloys hydrogenated under different conditions
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)

Nanograin formation of second phase-strengthened high-entropy alloy: Grain refinement versus particle strengthening
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)

Analysis on temperature- and rate-dependent nanomechanical behavior of nanocrystalline high-entropy alloys through high-temperature nanoindentation
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)

Small-scale nanoindentation plasticity of a highbendability martensitic steel
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)

Synthesis of intermetallic-based aluminum matrix nanocomposites through high-pressure torsion
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)

2018

Mechanical properties of precipitation-hardened high-entropy alloy processed by high-pressure torsion process
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)

Nanoindentation pop-in behavior of hydrogenated CoCrFeMnNi high-entropy alloy
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)

A nanomechanical study on the effects of hydrogen absorption in CoCrFeMnNi high-entropy alloy
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)

Investigation of mechanical properties on hot stamped martensitic automotive steel
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)

Nanoindentation study on the contributions of constituent layers to the golbal strength and ductility of a multi-layered steel
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)

Recent applications of nanoindentation for further understanding of advanced structural materials
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)

Deformation mechanisms and of two different high-entropy alloys: bcc NbMoCrTial vs. fcc CoCrFeMnNi
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)

Superplastic flow and micro-mechanical response of ultrafine-grained materials
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
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)

Micro-scale mechanical behaviour of ultrafine-grained materials processed by high-pressure torsion
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
D.-H. Lee, G. Yang, M. Kawasaki, U. Ramamurty, J.-i. Jang 6th International Indentation Workshop (IIW6) Sapporo, Japan, July 1-6 (2018) (invited)

Influence of hydrogen on nanomechanical behavior in a CoCrfeMnNi high-entropy alloy
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)

Effect of hydrogen on the mechanical behavior of Ni-Nb-Zr metallic glass ribbons
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)

Recent applications of nanoindentation to advanced structural materials
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)

X-ray line profile analysis on nanocrystalline high-entropy alloys
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)

Rapid synthesis of light weight metal matrix nanocomposites processed by high-pressure torsion
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)

2017

Nanomechanical investigation of annealing effect on strain-dependent plastic flow of nanocrystalline high-entropy alloy
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)

Fabrication of nanocomposite through diffusion bonding under high-pressure torsion
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)

What can we additinoally estimate through nanoindentation?
J.-i. Jang The 10th Asian Workshop on Micro/Nano Forming Technology (AWMFT 2017) Pohang, Korea, October 15-17 (2017) (keynote talk)

Nanoindentation: "Still" an useful for developing new structural materials
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)

Microstructure and mechanical properteis of advanced nanostructured alloys
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)

Fabrication of hybrid metal systems through the application of high-pressure torsion
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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Mechanical Behavior of Sub-micron-sized Nanocrystalline Pillars under Monotonic and Cyclic Loading
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)

Spherical Nanoindentation Creep Behavior of Indium at Room Temperature
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)

Hydrogen Effects on the Mechanical Behavior of CoCrFeMnNi High-entropy Alloy: Role of Pre-strain
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)

Nanomechanical Behavior of Precipitation-hardened 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 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)

Micro-scale Mechanical Response of Ultrafine-grained Materials Processed by High-Pressure Torsion
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)

2016

Effects of Hydrogen on the Nanomechanical Behavior of CoCrFeMnNi High-Entropy Alloy
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)

Effect of hydrogen on the tensile behavior of FeCoNiMnCr high entropy alloy
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)

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)

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)

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)

Nanoindentation behavior of ion-irradiated Fe-12Cr Alloy
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)

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)

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)

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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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)

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)

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)

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)

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)

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)

Nanomechanical behavior of a nanocrystalline high-entropy alloy processed by high-pressure torsion
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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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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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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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).

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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)

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
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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)
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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)
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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)

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)
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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

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)

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)

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)

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

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

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)
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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)
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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)

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)

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)

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

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

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)

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)

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)

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)

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)

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)

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

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)

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

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)

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

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)

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)