|
|
Home | Group Members | Teaching
| Publications |
News & Links |
| International
Journal | Domestic Journal (in
Korean) | International
Conferences |
In press &
submitted
Microstructural refinement in a high elastic modulus Al-18Si-8Ni casting alloy
|
Y.-H. Lee, S.H. Kayani, J.-M. Lee, S.-I. Lee, S.-J. Kim, J.-i. Jang, Y.-H. Cho, submitted for publication.
|
2024
Stochastic nature of incipient plasticity in a body-centered cubic medium-entropy alloy
|
A-H. Jeon, Y. Zhao, Z. Gao, J.-Y. Suh, H.J. Ryu, H.S. Kim, U. Ramamurty, J.-i. Jang, Acta Materialia, vol. 278 (2024) Art. No. 120244.
|
PDF |
Supplementary Material |
DOI |
Severe plastic deformation for producing superfunctional ultrafine-grained and heterostructured materials: An interdisciplinary review
|
K. Edalati, A.Q. Ahmed; S. Akrami, K. Ameyama, V. Aptukov, R.N. Asfandiyarov, M. Ashida, V. Astanin, A. Bachmaier, V. Beloshenko, E.V. Bobruk, K. Bryła, J.M. Cabrera, A.P. Carvalho, N.Q. Chinh, I.-C. Choi, R. Chulist, J.M. Cubero-Sesin, G. Davdian, M. Demirtas, S. Divinski, K. Durst, J. Dvorak, P. Edalati, S. Emura, N.A. Enikeev, G. Faraji, R.B. Figueiredo, R. Floriano, M. Fouladvind, D. Fruchart, M. Fuji, H. Fujiwara, M.l Gajdics, D. Gheorghe, K. Gondek, J.E. González-Hernández, A. Gornakova, T. Grosdidier, J. Gubicza, D. Gunderov, L. He, O.F. Higuera, S. Hirosawa, A. Hohenwarter, Z. Horita, J. Horky, Y. Huang, J. Huot, Y. Ikoma, T. Ishihara, Y. Ivanisenko, J.-i. Jang, A.M. Jorge Jr, M. Kawabata-Ota, M. Kawasaki, T. Khelfa, J. Kobayashi, L. Kommel, A. Korneva, P. Kral, N. Kudriashova, S. Kuramoto, T.G. Langdon, D.-H. Lee, V.I. Levitas, C. Li, H.-W. Li, Y. Li, Z. Li, H.-J. Lin, K.-D. Liss, Y. Liu, D.M.M. Cardona, K. Matsuda, A. Mazilkin, Y. Mine, H. Miyamoto, S.-C. Moon, T. Müller, J.A. Muñoz, M.Y. Murashkin, M. Naeem, M. Novelli, D. Olasz, R. Pippan, V.V. Popov, E.N. Popova, G. Purcek, P. de Rango, O. Renk, D. Retraint, Á. Révész, V. Roche, P. Rodriguez-Calvillo, L. Romero-Resendiz, X. Sauvage, T. Sawaguchi, H. Sena, H. Shahmir, X. Shi, V. Sklenicka, W. Skrotzki, N. Skryabina, F. Staab, B. Straumal, Z. Sun, M. Szczerba, Y. Takizawa, Y. Tang, R.Z. Valiev, A. Vozniak, A. Voznyak, B. Wang, J.T. Wang, G. Wilde, F. Zhang, M. Zhang, P. Zhang, J. Zhou, X. Zhu, Y.T. Zhu,
|
Journal of Alloys and Compounds, vol. 1002 (2024) Art. No. 174667.
|
(review paper by 122 authors from 14 countries) |
PDF |
DOI |
Heterostructuring of BN-CoCrFeMnNi high-entropy alloy via severe plastic deformation
|
S. Son, R.E. Kim, J. Lee, D.W. Lee, J.-i. Jang, H.S. Kim, Materials Science and Engineering A, vol. 909 (2024) Art. No. 146859.
|
PDF |
DOI |
Shear deformation behavior of heterostructured materials: Experimental and numerical analyses
|
G.H. Gu, S.-Y. Lee, M.H. Seo, J.-i. Jang, H.S. Kim, Metals and Materials International, vol. 30 (2024) pp. 1256-1269.
|
PDF |
DOI |
Hydrogen trapping and micromechanical behavior in additively manufactured CoCrFeNi high-entropy alloy in as-built and pre-strained conditions
|
Z. Gao, D.-H. Lee, Y. Zhao, P. Wang, K. Murakami, S. Komazaki, J.-Y. Suh, H.S. Kim, U. Ramamurty, J.-i. Jang, Acta Materialia, vol. 271 (2024) Art. No. 119886.
|
PDF |
Supplementary Material |
DOI |
On the superelastic behavior during spherical nanoindentation of a Ni-Ti shape memory alloy
|
H. Li, Z. Gao, J.-Y. Suh, H.N. Han, U. Ramamurty, J.-i. Jang, Materialia, vol. 33 (2024) Art. No. 102020.
|
PDF |
Supplementary Material |
DOI |
Supreme tensile properties in precipitation-hardened 316L stainless steel fabricated through powder cold-consolidation and annealing
|
D.W. Lee, P. Asghari-Rad, Y.-U. Heo, S. Son, H. Park, J.-S. Lee, J.-i. Jang, B.-J. Lee, H.S. Kim, Materials Science and Engineering A, vol. 893 (2024) Art. No. 146107.
|
PDF |
Supplementary Material |
DOI |
Impact of uneven distribution of grain characteristics on yield strength and martensite transformation of as-hot-rolled medium-entropy alloys
|
J. Lee, H. Park, S. Son, J.W. Bae, J.Y. Kim, S.K. Kim, J.-i. Jang, H.S. Kim, Journal of Materials Science & Technology, vol. 177 (2024) pp. 234-235.
|
PDF |
Supplementary Material |
DOI |
2023
Hierarchically heterogeneous microstructure and mechanical behavior of the multi-materials prepared by powder severe plastic deformation
|
S. Son, J. Lee, P. Asghari-Rad, R.E. Kim, H. Park, J.-i. Jang, W.Chen, Y.-U. Heo, H.S. Kim, Materials Research Letters, vol. 11 (2023) pp. 915-924.
|
PDF |
Supplementary Material |
DOI |
A statistical analysis of the 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, Materialia, vol. 31 (2023) Art. No. 101862.
|
PDF |
Supplementary Material |
DOI |
A review of recent research on nanoindentation of high-entropy alloys processed by high-pressure torsion
|
D.-H. Lee, I.-C. Choi, M. Kawasaki, T.G. Langdon, J.-i. Jang, Materials Transactions, vol. 64 (2023) pp. 1551-1565.
|
(invited overview paper in the special issue on "Superfunctional Nanomaterials by SPD: Fundamentals and Potential Applications")
|
PDF |
DOI |
Enhanced mechanical properties and homogeneous T5 age-hardening behavior of Al-Si-Cu-Mg casting alloys
|
H.-W. Son, J.-Y. Lee, Y.-H. Cho, J.-i. Jang, S.-B. Kim, J.-M. Lee, Journal of Alloys and Compounds, vol. 960 (2023) Art. No. 170982.
|
PDF |
DOI |
Crucial role of Ce particles during initial hydrogen absorption of AB-type hydrogen storage alloys
|
T. Ha, J.-H. Kim, C. Sun, Y.-S. Lee, D.-I. Kim, J.-i. Jang, J. Lee, Y. Kim, J.-H. Shim, Nano Energy, vol. 112 (2023) Art. No. 108483.
|
PDF |
DOI |
A study on the interaction between a Sr modifier and an Al-5Ti-1B grain refiner in an Al-7Si-0.35Mg casting alloy
|
J.-Y. Lee, J.-M. Lee, K.-S. Son, J.-i. Jang, Y.-H. Cho, Journal of Alloys and Compounds, vol. 938 (2023) Art. No. 168598.
|
PDF |
DOI |
2022
Microstructure and shear strength of Au-20wt%Sn solder joints fabricated by thermos-compression bonding for LED packages
|
D.-h. Lee, J.-i. Jang, Y.-H. Kim, Journal of Materials Science: Materials in Electronics, vol. 33 (2022) pp. 11002-11016.
|
PDF |
DOI |
Rate-dependent mechanical behavior of single-, bi-, twinned, and poly-crystals of CoCrFeNi high-entropy alloy
|
S. Wei, Y. Zhao, J.-i. Jang, U. Ramamurty, Journal of Materials Science & Technology, vol. 120 (2022) pp. 253-264.
|
PDF |
Supplementary Material |
DOI |
Decoupling the roles of constituent phases in the strengthening of hydrogenated nanocrystalline dual-phase high-entropy alloys
|
Z. Gao, Y. Zhao, J.-M. Park, A-H. Jeon, K. Murakami, S. Komazaki, K. Tsuchiya, U. Ramamurty, J.-i. Jang, Scripta Materialia, vol. 210 (2022) Art. No. 114472.
|
PDF |
Supplementary Material |
DOI |
Nanomechanical and microstructural characterization on the synergetic strengthening in selectively laser melted austenitic stainless steel
|
D.-H. Lee, Z. Gao, J.-M. Park, Y. Zhao, J.-Y. Suh, E.A. Jägle, K. Tsuchiya, U. Ramamurty, J.-i. Jang, Scripta Materialia, vol. 209 (2022) Art. No. 114359.
|
PDF |
Supplementary Material |
DOI |
Small-scale analysis of brittle-to-ductile transition behavior in pure tungsten
|
Y. Oh, W.-S. Ko, N. Kwak, J.-i. Jang, T. Ohmura, H.N. Han, Journal of Materials Science & Technology, vol. 105 (2022) pp. 242-258.
|
PDF |
Supplementary Material |
DOI |
2021
Design of V-substituted TiFe-based alloy for target pressure range and easy activation
|
M. Faisal, J.-H. Kim, Y.-W. Cho, J.-i. Jang, J.-Y. Suh, J.-H. Shim, Y.-S. Lee, Materials, vol. 14 (2021) Art. No. 4829.
|
(Feature paper in Special Issue on Applications, Optimization, and Comprehensive Characterization of Hydrogen Storage Materials)
|
PDF |
DOI |
Corrosion and oxidation resistance behaviors of Ta-containing low alloying zirconium
|
I.-H. Kim, Y.-I. Jung, B.-K. Choi, H.-G. Kim, J.-i. Jang, Metals and Materials International, vol. 27 (2021) pp. 3079-3084.
|
PDF |
DOI |
Indentation of glasses
|
T. Rouxel, J.-i. Jang, U. Ramamurty, Progress in Materials Science, vol. 121 (2021) Art. No. 100834.
|
PDF |
DOI |
Exploring the hydrogen absorption and strengthening behavior in nanocrystalline face-centered cubic high-entropy alloys
|
Y. Zhao, J.-M. Park, K. Murakami, S. Komazaki, M. Kawasaki, K. Tsuchiya, J.-Y. Suh, U. Ramamurty, J.-i. Jang, Scripta Materialia, vol. 203 (2021) Art. No. 114069.
|
PDF |
Supplementary Material |
DOI |
Hierarchical refinement of primary phases in a multicomponent Al-14Si-CuNiMg casting alloy by ultrasonic melt treatment
|
M.-S. Jo, Y.-H. Cho, J.-M. Lee, S.-B. Kim, J.-Y. Kang, J.-G. Jung, J.-i. Jang, Materialia, vol. 16 (2021) Art. No. 101070.
|
PDF |
Supplementary Material |
DOI |
Oxidation-resistant coating of FeCrAl on Zr-alloy tubes using 3D printing direct energy deposition
|
I.-H. Kim, Y.-I. Jung, H.-G. Kim, J.-i. Jang, Surface & Coatings Technology, vol. 411 (2021) Art. No. 126915.
|
PDF |
Supplementary Material |
DOI |
Significance of grain refinement on micro-mechanical properties and structures of additively-manufactured CoCrFeNi high-entropy alloy
|
W. Zhao, J.-K. Han, Y.O. Kuzminova, S.A. Evlashin, A.P. Zhilyaev, A.M. Pesin, J.-i. Jang, K.-D. Liss, M. Kawasaki, Materials Science and Engineering A, vol. 807 (2021) Art. No. 140898.
|
PDF |
DOI |
Hydrogen uptake and its influence in selective laser melted austenitic stainless steel: A nanoindentation study
|
J.-M. Park, Y. Zhao, T. Voisin, D.-H. Lee, S. Komazaki, Y. Ko, D.-I. Kim, J.-Y. Suh, H.N. Han, Y.M. Wang, U. Ramamurty, J.-i. Jang, Scripta Materialia, vol. 194 (2021) Art. No. 113718.
|
PDF |
Supplementary Material |
DOI |
Bimodality of incipient plastic strength in face-centered cubic high-entropy alloys
|
Y. Zhao, J.-M. Park, J.-i. Jang, U. Ramamurty, Acta Materialia, vol. 202 (2021) pp. 124-134.
|
PDF |
Supplementary Material |
DOI |
2020
Size effect on microstructural evolution and micromechanical responses of mechanically bonded aluminum and magnesium by high-pressure torsion
|
J.-K. Han, J.-M. Park, W. Ruan, K.T. Carpenter, A. Tabei, J.-i. Jang, M. Kawasaki, Advanced Engineering Materials, vol. 22 (2020) Art. No. 1900971.
|
(invited article in the special section for "Ultrafine-Grained Metallic Materials and Coatings")
|
PDF |
DOI |
Direct nanofluidic channels via hardening and wrinkling of thin polymer films
|
J.H. Lee, W.J. Chang, W.Y. Choi, J.-M. Park, J.-i. Jang, W.I. Park, Nanoscale, vol. 12 (2020) pp. 16895-16900.
|
PDF |
Supplementary Material |
DOI |
Mechanical properties and structural stability of a bulk nanostructured metastable aluminum-magnesium system
|
J.-K. Han, K.-D. Liss, T.G. Langdon, J.-i. Jang, M. Kawasaki, Materials Science and Engineering A, vol. 796 (2020) Art. No. 140050.
|
PDF |
DOI |
Statistical nature of the incipient plasticity in amorphous alloys
|
S. Nag, R.L. Narayan, J.-i. Jang, C. Mukhopadhyay, U. Ramamurty, Scripta Materialia, vol. 187 (2020) pp. 360-365.
|
PDF |
Supplementary Material |
DOI |
Synthesis of hybrid nanocrystalline alloys by mechanical bonding through high-pressure torsion
|
J.-K. Han, T. Herndon, J.-i. Jang, T.G. Langdon, M. Kawasaki, Advanced Engineering Materials, vol. 22 (2020) Art. No. 1901289.
|
(invited review as "Hall of Fame Article")
|
PDF |
DOI |
Effect of grain size on the strain rate sensitivity of CoCrFeNi high-entropy alloy
|
Y. Zhao, X. Wang, T. Cao, J.-K. Han, M. Kawasaki, J.-i. Jang, H.N. Han, U. Ramamurty, L. Wang, Y. Xue, Materials Science and Engineering A, vol.782 (2020) Art. No. 139281.
|
PDF |
Supplementary Material |
DOI |
Wallpapering-inspired spreading and wrinkling of atomically-thin material
|
S.I. Lee, H.-G. Lim, S.S. Kwon, S.H. Kim, J.H. Lee, J.-M. Park, J.-i. Jang, S.I. Yang, W.I. Park, Applied Surface Science, vol. 507 (2020) Art. No. 145184.
|
PDF |
Supplementary Material |
Supplementary Movie |
DOI |
A new Zr-rich intermetallic phase in an Al-14Si-3Cu-4.5Ni casting alloy with trace additions of Zr
|
M.-S. Jo, Y.-H. Cho, J.-M. Lee, S.-H. Kim, J.-Y. Kang, J.-G. Jung, S.-B. Kim, J.-i. Jang, Intermetallics, vol. 117 (2020) Art. No. 106667.
|
PDF |
Supplementary Material |
DOI |
Mechanical bonding of aluminum hybrid alloy systems through high-pressure torsion
|
M. Kawasaki, S.H. Jung, J.-M. Park, J. Lee, J.-i. Jang, J.-K. Han, Advanced Engineering Materials, vol. 22 (2020) Art. No. 1900483.
|
(invited article in the special issue dedicated to Terence G. Langdon on the occasion of his 80th birthday)
|
PDF |
DOI |
A survey of nanoindentation studies on HPT-processed materials
|
I.-C. Choi, J.-i. Jang, Advanced Engineering Materials, vol. 22 (2020) Art. No. 1900648.
|
(invited review in the special issue dedicated to Terence G. Langdon on the occasion of his 80th birthday; selected as cover picture paper)
|
PDF |
Cover Picture |
DOI |
2019
Bulk-state reactions and improving the mechanical properties of metals through high-pressure torsion
|
J.-K. Han, J.-i. Jang, T. Langdon, M. Kawasaki, Materials Transactions, vol. 60 (2019) pp. 1131-1138.
|
(invited overview paper in the special issue on SPD for nanomaterials with advanced functionality)
|
(selected as one of the 10 most highly cited papers published in Materials Transactions in 2020; see here) |
PDF |
DOI |
Influences of hydrogen charging method on the hydogen distribution and nanomechanical properties of face-centered cubic high-entropy alloy: A comparative study
|
Y. Zhao, J.-M Park, D.-H. Lee, E.J. Song, J.-Y. Suh, U. Ramamurty, J.-i. Jang, Scripta Materialia, vol. 168 (2019) pp. 76-80.
|
PDF |
DOI |
Nano-graining a particle-strengthened high-entropy alloy
|
D.-H. Lee, J.-M Park, G. Yang, J. He, Z. Lu, J.-Y. Suh, M. Kawasaki, U. Ramamurty, J.-i. Jang, Scripta Materialia, vol. 163 (2019) pp. 24-28.
|
PDF |
Supplementary Material |
DOI |
Influence of hydrogen on incipient plasticity in 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, Scripta Materialia, vol. 161 (2019) pp. 23-27.
|
PDF |
DOI |
2018
Direct bonding of aluminum-copper metals through high-pressure torsion processing
|
J.-K. Han, D.K. Han, G.Y. Liang, J.-i. Jang, T.G. Langdon, M. Kawasaki, Advanced Engineering Materials, vol. 20 (2018) Art. No. 1800642.
|
PDF |
Supplementary Material |
DOI |
Fabrication of nanocomposite through diffusion bonding under high-pressure torsion
|
M. Kawasaki, J.-K. Han, D.-H. Lee, J.-i. Jang, T. Langdon, Journal of Materials Research, vol. 33 (2018) pp. 2700-2710.
|
(invited feature paper)
|
PDF |
DOI |
Activation energy for plastic flow in nanocrystalline CoCrFeMnNi high-entropy alloy: A high temperature nanoindentation study
|
D.-H. Lee, I.-C. Choi, G. Yang, Z. Lu, M. Kawasaki, U. Ramamurty, R. Schwaiger, J.-i. Jang, Scripta Materialia, vol. 156 (2018) pp. 129-133.
|
PDF |
Supplementary Material |
DOI |
Effects of interfacial layer-by-layer nanolayers on the stability of the Cu TSV: Diffusion barrier, adhesion, conformal coating, and mechanical property
|
D. Jeong, R. Abdur, Y.-C. Joo, J.-i. Jang, P.R. Cha, J.Kim, K.-S. Min, J. Lee, Materials Science in Semiconductor Processing, vol. 83 (2018) pp. 33-41.
|
PDF |
DOI |
The influence of chemical heterogeneities on the local mechanical behavior of a high-entropy alloy: A micropillar compression study
|
A. Heczel, M. Kawasaki, D. Ugi, J.-i. Jang, T. G. Langdon, J. Gubicza, Materials Science and Engineering A, vol. 721 (2018) pp.165-167.
|
PDF |
DOI |
Unusual flow behavior of Fe-based soft magnetic amorphous ribbons under high temperature tensile loading
|
J. Oh, J.-Y. Suh, W.-J. Kim, J.-i. Jang, K.H. Kang, C.S. Yoon, H. Choi-Yim, Current Applied Physics, vol. 18 (2018) pp.411-416.
|
PDF |
DOI |
Influence of pre-strain on the gaseous hydrogen embrittlement resistance of a high-entropy alloy
|
Y. Zhao, D.-H. Lee, W.-J. Kim, M.-Y. Seok, J.-Y. Kim, H.N. Han, J.-Y. Suh, U. Ramamurty, J.-i. Jang, Materials Science and Engineering A, vol. 718 (2018) pp.43-47.
|
PDF |
DOI |
Indentation size effect for spherical nanoindentation on nanoporous gold
|
Y.-C. Kim, E.-J. Gwak, S.-m. Ahn, N.-R. Kang, H.N. Han, J.-i. Jang, J.-Y. Kim, Scripta Materialia, vol. 143 (2018) pp.10-14.
|
PDF |
DOI |
2017
Annealing effect on plastic flow in nanocrystalline CoCrFeMnNi high-entropy alloy: A nanomechanical analysis
|
D.-H. Lee, J.-A Lee, Y. Zhao, Z. Lu, J.-Y. Suh, J.-Y. Kim, U. Ramamurty, M. Kawasaki, T.G. Langdon, and J.-i. Jang, Acta Materialia, vol. 140 (2017) pp.443-451.
|
PDF |
DOI |
Indentation size effect in nanoporous gold
|
Y.-C. Kim, E.-J. Gwak, S.-m. Ahn, J.-i. Jang, H.N. Han, and J.-Y. Kim, Acta Materialia, vol. 138 (2017) pp.52-60.
|
PDF |
DOI |
Significant strengthening of nanocrystalline Ni sub-micron pillar by cyclic loading in elastic regime
|
J.-A Lee, D.-H. Lee, M.-Y. Seok, I.-C. Choi, H.N. Han, T.Y. Tsui, U. Ramamurty, and J.-i. Jang, Scripta Materialia, vol. 140 (2017) pp.31-34.
|
PDF |
Supplementary Movie |
DOI |
Critical bending radius of thin single-crystalline silicon with dome and pyramid surface texturing
|
J.-H. Woo, Y.-C. Kim, S.-H. Kim, J.-i. Jang, H.N. Han, K.-J. Choi, I. Kim, and J.-Y. Kim, Scripta Materialia, vol. 140 (2017) pp.1-4.
|
PDF |
DOI |
Wall-thickness-dependent strength of nanotubular ZnO
|
N.-R. Kang, Y.-C. Kim, H. Jeon, S.K. Kim, J.-i. Jang, H.N. Han, and J.-Y. Kim, Scientific Reports, vol. 7 (2017) Art. No. 4327.
|
PDF |
DOI |
Micro-mechanical response of an Al-Mg hybrid system synthesized by high-pressure torsion
|
M. Kawasaki and J.-i. Jang, Materials, vol. 10 (2017) Art. No. 596.
|
(invited review for the special issue on "Advanced Nanoindentation in Materials")
|
PDF |
DOI |
Self-similarity in the structure of coarsened nanoporous gold
|
H. Jeon, N.-R. Kang, E.-J. Gwak, J.-i. Jang, H. N. Han, J. Y. Hwang, S. Lee, and J.-Y. Kim, Scripta Materialia, vol. 137 (2017) pp.46-49.
|
PDF |
DOI |
Defect structure and hardness in nanocrystalline CoCrFeMnNi high-entropy alloy
processed by high-pressure torsion
|
A. Heczel, M. Kawasaki, J. L. Labar, J.-i. Jang, T.G. Langdon, and J. Gubicza, Journal of Alloys and Compounds, vol. 711 (2017) pp.143-154.
|
PDF |
DOI |
Resistance of CoCrFeMnNi high-entropy alloy to gaseous hydrogen embrittlement
|
Y. Zhao, D.-H. Lee, M.-Y. Seok, J.-A Lee, M. P. Phaniraj, J.-Y. Suh, H.-Y. Ha, J.-Y. Kim, U. Ramamurty, and J.-i. Jang, Scripta Materialia, vol. 135 (2017) pp.54-58.
|
PDF |
DOI |
Hydrogen-induced nanohardness variations in a CoCrFeMnNi
high-entropy alloy
|
Y. Zhao, D.-H. Lee, J.-A Lee, W.-J. Kim, H.N. Han, U. Ramamurty, J.-Y. Suh, and J.-i. Jang, International Journal of Hydrogen Energy, vol. 42 (2017) pp.12015-12021.
|
PDF |
DOI |
A novel way to estimate the nanoindentation hardness of only-irradiated layer and its application to ion irradiated Fe-12Cr alloy
|
H.-S. Kim, D.-H. Lee, M.-Y. Seok, Y. Zhao, W.-J. Kim, D. Kwon, H.-H. Jin, J. Kwon, and J.-i. Jang, Journal of Nuclear Materials, vol. 487 (2017) pp.343-347.
|
PDF |
DOI |
Strengthening of metals through severe plastic deformation
|
M. Kawasaki, H.-J. Lee, J.-i. Jang, and T.G. Langdon, Reviews on Advanced Materials Science, vol. 48 (2017) pp.13-24.
|
(invited review for honoring Prof. Ilya Ovid'ko on the occasion of his 55th
birthday)
|
PDF |
DOI |
Statistical analysis of the size- and
rate-dependence of yield and plastic flow in nanocrystalline copper
pillars
|
J.-A Lee, M.-Y. Seok, Y. Zhao, I.-C. Choi, D.-H. Lee, B.B. Seo, U. Ramamurty, T.Y. Tsui, and J.-i. Jang, Acta Materialia, vol. 127 (2017) pp.332-340.
|
PDF |
DOI |
Nano- and micro-mechanical properties of
ultrafine-grained materials processed by severe plastic deformation
techniques
|
M. Kawasaki, B. Ahn, P. Kumar, J.-i. Jang, and T.G. Langdon, Advanced Engineering Materials, vol. 19 (2017) Art. No. 1600578.
|
(invited review)
|
PDF |
DOI |
Micro-mechanical and tribological properties of aluminum-magnesium nanocomposites processed by high-pressure torsion
|
J.-K Han, H.-J. Lee, J.-i. Jang, M. Kawasaki, and T.G. Langdon, Materials Science and Engineering A, vol. 684 (2017) pp.318-327.
|
PDF |
DOI |
2016
Hydrogen-induced softening in
nanocrystalline Ni investigated by nanoindentation
|
Y. Zhao, M.-Y. Seok, D.-H. Lee, J.-A
Lee, J.-Y. Suh, and J.-i. Jang, Philosophical Magazine, vol. 96 (2016) pp. 3442-3450.
|
PDF |
DOI |
Decoupling the contributions of
constituent layers to the strength and ductility of a multi-layered
steel
|
M.-Y. Seok, J.-A Lee, D.-H. Lee, U.
Ramamurty, S. Nambu, T. Koseki, and J.-i. Jang, Acta Materialia, vol.
121 (2016) pp.164-172.
|
PDF |
DOI |
Micro-mechanical behavior of an
exceptionally strong metal matrix nanocomposite processed by
high-pressure torsion
|
B. Ahn, H.-J. Lee, I.-C. Choi, M.
Kawasaki, J.-i. Jang, and T.G. Langdon, Andvanced Engineering
Materials, vol. 18 (2016) pp.1001-1008.
|
PDF |
DOI |
Spherical nanoindentation creep behavior
of nanocrystalline and coarse-grained CoCrFeMnNi high-entropy alloys
|
D.-H. Lee, M.-Y. Seok, Y. Zhao, I.-C.
Choi, J. He, Z. Lu, J.-Y. Suh, U. Ramamurty, M. Kawasaki, T. G.
Langdon, and J.-i. Jang, Acta Materialia, vol. 109 (2016) pp.314-322.
|
PDF |
DOI |
Time-dependent nanoscale plasticity in
nanocrystalline nickel rods and tubes
|
J.-A Lee, B.B. Seo, I.-C. Choi, M.-Y.
Seok, Y. Zhao, Z. Jahed, U. Ramamurty, T.Y. Tsui, and J.-i. Jang,
Scripta Materialia, vol. 112 (2016) pp.79-82.
|
PDF |
Supplementary Movie |
DOI |
On the contributions of different
micromechanisms for enhancement in the strength of Ti-6Al-4V alloy upon
B addition: A nanomechanical analysis
|
M.-Y. Seok, Y. Zhao, J.-A Lee, R.M.
Mohamed, L.M. Al-Harbi, M.S. Al-Ghamdi, G. Singh, U. Ramamurty, and
J.-i. Jang, Materials Science and Engineering A, vol. 649 (2016)
pp.123-127.
|
PDF |
DOI |
2015
Nanomechanical behavior and structural
stability of a nanocrystalline CoCrFeNiMn high-entropy alloy processed
by high-pressure torsion
|
D.-H. Lee, I.-C. Choi, M.-Y. Seok, J.
He, Z. Lu, J.-Y. Suh, M. Kawasaki, T.G. Langdon, and J.-i. Jang,
Journal of Materials Research, vol. 30 (2015) pp. 2804-2815.
|
PDF |
DOI |
The role of hydrogen in
hardening/softening steel: Influence of the charging process
|
Y. Zhao, M.-Y. Seok, I.-C. Choi, Y.-H.
Lee, S.-J. Park, U. Ramamurty, J.-Y. Suh, and J.-i. Jang, Scripta
Materialia, vol. 107 (2015) pp. 46-49.
|
PDF |
DOI |
Microalloying effect on the activation
energy of hot deformation
|
M.-Y. Seok, I.-C. Choi, Y. Zhao, D.-H.
Lee, J.-A Lee, and J.-i. Jang, Steel Research International, vol. 86
(2015) pp. 817-820.
|
PDF |
DOI |
Strain-dependent transition of
time-dependent deformation mechanism in single crystal ZnO evaluated by
spherical nanoindentation
|
Y.-J. Kim, I.-C. Choi, J.-A Lee, M.-Y.
Seok, and J.-i. Jang, Philosophical Magazine, vol. 95 (2015) pp.
1896-1906.
|
PDF |
DOI |
Time-dependent mechanical-electrical
coupled behavior in single crystal ZnO nanorods
|
Y.-J. Kim, T.G. Yun, I.-C. Choi, S.W.
Kim, W.I. Park, S.M. Han, and J.-i. Jang, Scientific Reports, vol. 5
(2015) Art. No. 9716.
|
PDF |
Supplementary Material |
DOI |
Strain-dependent plasticity evolution of
window glass
|
D.-H. Lee, I.-C. Choi, M.-Y. Seok, Y.
Zhao, J.-A Lee, and J.-i. Jang, Journal of the American Ceramic
Society, vol. 98 (2015) pp. 186-189.
|
PDF |
DOI |
Enhancement of strain-rate sensitivity
and shear yield strength of a magnesium alloy processed by
high-pressure torsion
|
I.-C. Choi, D.-H. Lee, B. Ahn, K. Durst,
M. Kawasaki, T.G. Langdon, and J.-i. Jang, Scripta Materialia, vol. 94
(2015) pp. 44-47.
|
(this paper was
selected in Top 25 Hottest Articles of Scripta Materialia for October
to December 2014, see here) |
PDF |
Supplementary Material |
DOI |
2014
Hydrogen-induced hardening and softening
of Ni-Nb-Zr amorphous alloys: Dependence on the Zr content
|
Y. Zhao, I.-C. Choi, M.-Y. Seok, U.
Ramamurty, J.-Y. Suh, and J.-i. Jang, Scripta Materialia, vol. 93
(2014) pp. 56-59.
|
PDF |
DOI |
High-cycle fatigue behavior of Zn-22%Al
processed by high-pressure torsion
|
I.-C. Choi, B.-G. Yoo, O. Kraft, R.
Schwaiger, M.-Y. Seok, M. Kawasaki, T.G. Langdon, and J.-i. Jang,
Materials Science and Engineering A, vol. 618 (2014) pp. 37-40.
|
PDF |
DOI |
Effect of hydrogen on the yielding
behavior and shear transformation zone volume in metallic glass ribbons
|
Y. Zhao, I.-C. Choi, M.-Y. Seok, M.-H.
Kim, D.-H. Kim, U. Ramamurty, J.-Y. Suh, and J.-i. Jang, Acta
Materialia, vol. 78 (2014) pp. 213-221.
|
PDF |
DOI |
Estimation of the Hall-Petch
strengthening coefficient of steels through nanoindentation
|
M.-Y. Seok, I.-C. Choi, J. Moon, S. Kim,
U. Ramamurty, and J.-i. Jang, Scripta Materialia, vol. 87 (2014) pp.
49-52.
|
(this paper was
selected in Top 25 Hottest Articles of Scripta Materialia for July to
September 2014, see here) |
PDF |
DOI |
Predicting flow curves of two-phase
steels from spherical nanoindentation data of constituent phases:
Isostrain method vs. non-isostrain method
|
M.-Y. Seok, Y.-J. Kim, I.-C. Choi, Y.
Zhao, and J.-i. Jang, International Journal of Plasticity, vol. 59
(2014) pp. 108-118.
|
PDF |
DOI |
Assessment of surface-local strains from
remnant microindents on a Zr-based metallic glass
|
Y.-H. Lee, Y. Kim, Y.-C. Kim, J.-Y. Kim,
and J.-i. Jang, Metals and Materials International, vol. 20 (2014) pp.
439-443.
|
PDF |
DOI |
Evolution of plasticity, strain-rate
sensitivity and the underlying deformation mechanism in Zn-22%Al during
high-pressure torsion
|
I.-C. Choi, Y.-J. Kim, B. Ahn, M.
Kawasaki, T.G. Langdon, and J.-i. Jang, Scripta Materialia, vol. 75
(2014) pp. 102-105.
|
(For this paper,
I.-C. Choi won the Acta Student Award, see here) |
PDF |
DOI |
Stress-dependent hardening-to-softening
transition of hydrogen effects in nanoindentation of a linepipe steel
|
D.-H. Lee, J.-A Lee, M.-Y. Seok, U.B.
Baek, S.H. Nahm, and J.-i. Jang, International Journal of Hydrogen
Energy, vol. 39 (2014) pp. 1897-1902.
|
PDF |
DOI |
Nanoindentation for probing the
mechanical behavior of molecular crystals-a review of the technique and
how to use it
|
U. Ramamurty and J.-i. Jang,
CrystEngComm, vol. 16 (2014) pp. 12-23.
(invited "highlight" article; also selected as cover article)
|
PDF |
Cover image |
DOI |
On the nanomechanical characteristics of
thermally-treated alloy 690: Grain boundaries versus grain interior
|
Y. Zhao, I.-C. Choi, Y.-J. Kim, and
J.-i. Jang, Journal of
Alloys and Compounds, vol. 582 (2014) pp. 141-145.
|
PDF |
DOI |
2013
Nanoindentation behavior of nanotwinned
Cu: Influences of indenter angle on hardness, strain rate sensitivity
and activation volume
|
I.-C. Choi, Y.-J. Kim, Y.M. Wang, U.
Ramamurty, and J.-i. Jang, Acta Materialia, vol. 61 (2013) pp.
7313-7323.
|
PDF |
DOI |
Time-dependent nanoscale plasticity of
ZnO nanorods
|
Y.-J. Kim, W.W. Lee, I.-C. Choi, B.-G.
Yoo, S.M. Han, H.-G. Park, W.I. Park, and J.-i. Jang, Acta Materialia,
vol. 61 (2013) pp. 7180-7188.
|
PDF |
Supplementary Material |
DOI |
Hydrogen-induced toughness drop in weld
coarse-grained heat-affected zones of linepipe steel
|
J.-A Lee, D.-H. Lee, M.-Y. Seok, U.B.
Baek, Y.-H. Lee, S.H. Nahm, and J.-i. Jang, Materials Characterization,
vol. 82 (2013) pp. 17-22.
|
PDF |
DOI |
Tensile deformation behavior and phase
transformation in the weld coarse-grained heat affected zone of
metastable high-nitrogen Fe-18Cr-10Mn-N stainless steel
|
J. Moon, T.-H. Lee, S.-J. Park, J.-i.
Jang, M.-H. Jang, H.-Y. Ha, and B. Hwang, Metallurgical and Materials
Transactions A, vol. 44 (2013) pp. 3069-3076.
|
PDF |
DOI |
Room-temperature anelasticity and
viscoplasticity of Cu-Zr bulk metallic glasses evaluated using
nanoindentation
|
B.-G. Yoo, I.-C. Choi, Y.-J. Kim, U.
Ramamurty, and J.-i. Jang, Materials Science and Engineering A, vol.
577 (2013) pp. 101-104.
|
PDF |
DOI |
Nanoscale room temperature creep of
nanocrystalline nickel pillars at low stresses
|
I.-C. Choi, Y.-J. Kim, M.-Y. Seok, B.-G.
Yoo, J.-Y. Kim, Y.M. Wang, and J.-i. Jang, International Journal of
Plasticity, vol. 41 (2013) pp. 53-64
|
PDF |
DOI |
2012
Indentation size effect and shear
transformation zone size in a bulk metallic glass in two different
structural states
|
I.-C. Choi, Y. Zhao, Y.-J. Kim, B.-G.
Yoo, J.-Y. Suh, U. Ramamurty, and J.-i. Jang, Acta Materialia, vol. 60
(2012) pp. 6862-6868.
|
PDF |
DOI |
Increased time-dependent room temperature
plasticity in metallic glass nanopillars and its size-dependency
|
B.-G. Yoo, J.-Y. Kim, Y.-J. Kim, I.-C.
Choi, S. Shim, T.Y. Tsui, H. Bei, U. Ramamurty, and J.-i. Jang,
International Journal of Plasticity, vol. 37 (2012) pp. 108-118.
|
PDF |
DOI |
Experimental analysis of the
elastic-plastic transition during nanoindentation of single crystal
alpha-silicon nitride
|
J.-i. Jang, H.
Bei, P.F. Becher, and G.M. Pharr, Journal of the American Ceramic
Society, vol. 95 (2012) pp. 2113-2115. |
PDF |
DOI |
Variations in DBTT and CTOD within weld
heat-affected zone of API X65 pipeline steel
|
J.-B. Ju, W.-S. Kim, and J.-i. Jang,
Materials Science and Engineering A, vol. 546 (2012) pp. 258-262.
|
PDF |
DOI |
Estimation of the shear transformation
zone size in a bulk metallic glass through statistical analysis of the
first pop-in stresses during spherical nanoindentation
|
I.-C. Choi, Y. Zhao, B.-G. Yoo, Y.-J.
Kim, J.-Y. Suh, U. Ramamurty, and J.-i. Jang, Scripta Materialia, vol.
66 (2012) pp. 923-926.
|
PDF |
DOI |
Further evidence for room temperature,
indentation-induced nanocrystallization in a bulk metallic glass
|
B.-G. Yoo, I.-C. Choi, Y.-J. Kim, J.-Y.
Suh, U. Ramamurty, and J.-i. Jang, Materials Science and Engineering A,
vol. 545 (2012) pp. 225-228.
|
PDF |
DOI |
Correlation of particle impact conditions
with bonding, nanocrystal formation and mechanical properties in
kinetic sprayed nickel
|
G. Bae, J.-i. Jang, and C. Lee, Acta
Materialia, vol. 60 (2012) pp. 3524-3535.
|
PDF |
Corrigendum |
DOI |
Martensitic phase transformation and
pop-in in compression of austenitic steel nanoplates observed in situ
by transmission electron microscopy
|
Y.-J. Kim, B.-G. Yoo, I.-C. Choi, M.-Y.
Seok, J.-Y. Kim, T. Ohmura, and J.-i. Jang, Materials Letters, vol. 75
(2012) pp. 107-110.
|
PDF |
DOI |
Orientation-dependent indentation modulus
and yielding in a high Mn twinning-induced plasticity steel
|
S. Kang, Y.-S. Jung, B.-G. Yoo, J.-i.
Jang, and Y.-K. Lee, Materials Science and Engineering A, vol. 532
(2012) pp. 500-504.
|
PDF |
DOI |
Indentation creep revisited
|
I.-C. Choi, B.-G. Yoo, Y.-J. Kim, and
J.-i. Jang, Journal of Materials Research, vol. 27 (2012) pp. 3-11.
(Review article in focus issue on indentation)
|
PDF |
DOI |
2011
Bluntness measurement of a Berkovich
indenter
|
Y.-H. Lee , B.-G. Yoo, and J.-i. Jang,
International Journal of Modern Physics B, vol. 25 (2011) pp. 4273-4276.
(presented at AMDP2011)
|
PDF |
DOI |
Estimating the stress exponent of
nanocrystalline nickel: Sharp vs. spherical indentation
|
I.-C. Choi, B.-G. Yoo, Y.-J. Kim, M.-Y.
Seok, Y.M. Wang, and J.-i. Jang, Scripta Materialia, vol. 65 (2011) pp.
300-303
|
PDF |
Supplementary
Material |
DOI |
Variations in overall- and phase-hardness
of a new Ni-based superalloy during isothermal aging
|
J.-H. Oh, I.-C. Choi, Y.-J. Kim, B.-G.
Yoo, and J.-i. Jang, Materials Science and Engineering A, vol. 528
(2011) pp. 6121-6127
|
PDF |
DOI |
Influence of thermo-mechanical treatment
on the precipitation strengthening behavior of Inconel 740, a Ni-based
superalloy
|
J.-H. Oh, B.-G. Yoo, I.-C. Choi, M.L.
Santella, and J.-i. Jang, Journal of Materials Research, vol. 26 (2011)
pp. 1253-1259
|
PDF |
DOI |
Exploring nanomechanical behavior of
silicon nanowires: AFM bending versus nanoindentation
|
Y.-J. Kim, K.
Son, I.-C. Choi, I.-S. Choi, W.I. Park, and J.-i. Jang, Advanced
Functional Materials, vol. 21 (2011) pp. 279-286
(this paper was introduced in news media, see News & Links) |
PDF |
DOI |
2010
Room temperature creep in amorphous
alloys: Influence of initial strain and free volume
|
B.-G. Yoo,
K.-S. Kim, J.-H. Oh, U. Ramamurty, and J.-i. Jang, Scripta Materialia,
vol. 63 (2010) pp. 1205-1208 |
PDF |
DOI |
Nanoindentation analysis of
time-dependent deformation in as-cast and annealed Cu-Zr bulk metallic
glass
|
B.-G. Yoo,
J.-H. Oh, Y.-J. Kim, K.-W. Park, J.-C. Lee, and J.-i. Jang,
Intermetallics, vol. 18 (2010) pp. 1898-1901 |
PDF |
DOI |
Effect of hydrogen on subsurface
deformation during indentation of a bulk metallic glass
|
B.-G. Yoo,
J.-H. Oh, Y.-J. Kim, and J.-i. Jang, Intermetallics, vol. 18 (2010) pp.
1872-1875 |
PDF |
DOI |
2009
Effects of impurities on the
biodegradation behavior of pure magnesium
|
J.-Y. Lee, G.
Han, Y.-C. Kim, J.-Y. Byun, J.-i. Jang, H.-K. Seok, and S.-J. Yang,
Metals and Materials International, vol. 15 (2009) pp.955-961
(This paper was honored with 'the best
paper award of 2009' from the journal) |
PDF |
DOI |
On the hardness of shear bands in
amorphous alloys
|
B.-G. Yoo,
Y.-J. Kim, J.-H. Oh, U. Ramamurty, and J.-i. Jang, Scripta Materialia,
vol. 61 (2009) pp. 951-954 |
PDF |
DOI |
Lateral assembly of millimetre-long
silicon nanowires for multiple device integration
|
Y.B. Pyun, D.H.
Lee, J.S. Yi, Y.-J. Kim, J.-i. Jang, and W.I. Park, Journal of Ceramic
Processing Research, vol. 10 (2009) pp. 521-525 |
PDF |
DOI |
Instrumented indentation of a
Pd-based bulk metallic glass: Constant loading rate test vs. constant
strain rate test
|
B.-G. Yoo,
K.-W. Lee, and J.-i. Jang, Journal of Alloys and Compounds, vol. 483
(2009) pp. 136-138 |
PDF |
DOI |
Reappraisal of the work hardening
behavior of bulk amorphous matrix composites
|
C.-M. Lee,
K.-W. Park, J.-H. Lee, H.-G. Lee, J.-i. Jang, and J.-C. Lee, Materials
Science and Engineering A, vol. 513-514 (2009) pp. 160-165 |
PDF |
DOI |
A nanoindentation study on the
micromechanical characteristics of API X100 pipeline steel
|
B.-W. Choi,
D.-H. Seo, and J.-i. Jang, Metals and Materials International, vol. 15
(2009) pp. 373-378 |
PDF |
DOI |
Estimation of residual stress by
instrumented indentation: A review
|
J.-i. Jang,
Journal of Ceramic Processing Research, vol. 10 (2009) pp. 391-400 |
PDF |
DOI |
Plasticity improvement of amorphous alloy
via skim cold rolling
|
M. S. Pham,
K.-W. Park, B.-G. Yoo, J.-i. Jang, and J.-C. Lee, Metals and Materials
International, vol. 15 (2009) pp. 209-214 |
PDF |
DOI |
Time-dependent plasticity of
Li2O-SnO2-B2O3-P2O5 ceramic glasses
|
B.-W. Choi,
Y.-W. Park, B.-G. Yoo, D.-W. Shin, and J.-i. Jang, Journal of Ceramic
Processing Research, vol. 10 (2009) pp. 235-237 |
PDF |
DOI |
Role of free volume in strain
softening of as-cast and annealed bulk metallic glass
|
B.-G. Yoo,
K.-W. Park, J.-C. Lee, U. Ramamurty, and J.-i. Jang, Journal of
Materials Research, vol. 24 (2009) pp. 1405-1416 |
PDF |
DOI |
Predicting macroscopic plastic
flow of high-performance, dual-phase steel through spherical
nanoindentation on each microphase
|
B.-W. Choi,
D.-H. Seo, J.-Y. Yoo, and J.-i. Jang, Journal of Materials Research,
vol. 24 (2009) pp. 816-822 |
PDF |
DOI |
2008
Influence of indenter angle on
cracking in Si and Ge during nanoindentation
|
J.-i. Jang and
G.M. Pharr, Acta Materialia, vol. 56 (2008) pp. 4458-4469 |
PDF |
DOI |
Extraction of flow properties of
single crystal silicon carbide by nanoindentation and finite element
simulation
|
S. Shim, J.-i.
Jang, and G.M. Pharr, Acta Materialia, vol. 56 (2008) pp. 3824-3832 |
PDF |
DOI |
Orowan strengthening effect on the
nanoindentaion hardness of ferrite matrix in microalloyed steels
|
J. Moon, S.
Kim, J.-i. Jang, J. Lee, and C. Lee, Materials Science and Engineering
A, vol. 487 (2008) pp. 552-557 |
PDF |
DOI |
Investigations on indentation size
effects using a pile-up corrected hardness
|
Y.-H. Lee,
J.-H. Hahn, S.-H. Nahm, J.-i. Jang, and D. Kwon, Journal of Physics D:
Applied Physics, vol. 41 (2008) Art. No. 074027 |
PDF |
DOI |
A study on the evolution of
subsurface deformation in a Zr-based bulk metallic glass during
spherical indentation
|
B.-G. Yoo and
J.-i. Jang, Journal of Physics D: Applied Physics, vol. 41 (2008) Art.
No. 074017 |
PDF |
DOI |
Irreversible structural change of
an amorphous alloy induced by elastostatic stress and its influence on
the mechanical properties
|
S.-J. Lee,
B.-G. Yoo, J.-i. Jang, and J.-C. Lee, Metals and Materials
International, vol. 14 (2008) pp. 9-13 |
PDF |
DOI |
2007
Fracture toughness anisotropy in a
API steel line-pipe
|
J.-B. Ju, J.-S.
Lee, and J.-i. Jang, Materials Letters, vol. 61 (2007) pp. 5178-5180 |
|
DOI |
Atomic
packing density and its influence on the properties of Cu-Zr amorphous
alloys |
K.-W. Park, J.-i. Jang, M.
Wakeda, Y. Shibutani, and J.-C. Lee, Scripta Materialia, vol. 57 (2007)
pp. 805-808 |
PDF |
DOI |
Influence
of indenter geometry on the deformation behavior of Zr60Cu30Al10 bulk
metallic glass during nanoindentation |
B.-G. Yoo, J.-Y. Kim, and
J.-i. Jang, Materials Transactions, vol. 48 (2007) pp. 1765-1769 |
PDF |
DOI |
Rate-dependent
inhomogeneous-to-homogeneous transition of plastic flows during
nanoindentation of bulk metallic glasses: fact or artifact?
|
J.-i. Jang, B.-G. Yoo, and
J.-Y. Kim, Applied Physics Letters, vol. 90 (2007) Art. No. 211906 |
PDF |
DOI |
Influence
of surface roughness on indentation size effect |
J.-Y. Kim, S.-K. Kang,
J.-J. Lee, J.-i. Jang, Y.-H. Lee, and D. Kwon, Acta Materialia, vol. 55
(2007) pp. 3555-3562 |
PDF |
DOI |
Effects
of rough surface on contact depth for instrumented microindentation
using spherical indenter |
J.-Y. Kim, J.-J. Lee, Y.-H. Lee, J.-i. Jang, and D.
Kwon, Solid State Phenomena, vol. 124-126 (2007) pp. 1337-1340
(presneted at IUMRS-ICA 2006, Jeju, Korea)
|
PDF |
DOI |
A nanoindentation study on grain-boundary contributions to strengthening and aging degradation mechanisms in advanced 12 Cr ferritic steel
|
J.-i. Jang, S. Shim, S.
Komazaki, and T. Honda, Journal of Materials Research, vol. 22 (2007)
pp. 175-185 |
PDF |
DOI |
2006
Surface
roughness effect in instrumented indentation: a simple contact depth
model and its verification |
J.-Y. Kim, J.-J. Lee, Y.-H.
Lee, J.-i. Jang, and D. Kwon, Journal of Materials Research, vol. 21
(2006) pp. 2975-2978 |
PDF |
DOI |
Yield
property characterization for Au and TiN thin films by applying
nanoindenation technique |
Y.-H. Lee, Y.-H. Huh, J.-Y.
Kim, S.-H. Nahm, J.-i. Jang, and D. Kwon, Key Engineering Materials,
vol. 326-328 (2006) pp. 215-218
(presneted at ICEM 2006, Jeju, Korea) |
PDF |
DOI |
Correlation
between microstructure and nanohardness in advanced heat-resistant steel |
J.-i. Jang, S. Shim, S.
Komazaki, and T. Sugimoto, Key Engineering Materials, vol. 326-328
(2006) pp. 277-280
(presneted at ICEM 2006, Jeju, Korea) |
PDF |
DOI |
Evaluation
of fracture toughness for power-plant materials using continuous
indentation technique |
J.-S. Lee, J.-i. Jang,
K.-B. Yoo, and D. Kwon, Key Engineering Materials, vol. 321-323 (2006)
pp. 480-485
(presneted at ANDE 2005, Jeju, Korea) |
PDF |
DOI |
An
instrumented indentation technique for estimating fracture toughness of
ductile materials: A critical indentation energy model based on
continuum damage mechanics |
J.-S. Lee, J.-i. Jang,
B.-W. Lee, Y. Choi, S.G. Lee, and D. Kwon, Acta Materialia, Vol. 54
(2006) pp. 1101-1109 |
PDF |
DOI |
Mechanical properties of porous
and fully dense low-k dielectric thin films measured by means of
nanoindentation and the plane-strain bulge test technique
|
Y. Xiang, X. Chen, T.Y.
Tsui, J.-i. Jang, and J. Vlassak, Journal of Materials Research, Vol.
21 (2006) pp. 386-395 |
PDF |
DOI |
2005
Nanoindentation-induced
phase transformations in Ge studied by electron microscopy and Raman
spectroscopy |
S. Wen, J.-i. Jang, M.J. Lance, J. Bentley, and G.M.
Pharr, Microscopy and Microanalysis, Vol. 11 (Suppl 2) (2005) pp.
792-793
(presneted at M&M 2005, Honolulu, Hawaii)
[honored with Distinguished Scholar Award from MAS (the Microbeam
Analysis Society)]
|
PDF |
DOI |
Evidence
for nanoindentation-induced phase transformations in germanium |
J.-i. Jang, M. J. Lance, S. Wen, and G.M. Pharr, Applied
Physics Letters, Vol. 86 (2005) Art. No. 131907
(also selected for publication in the Virtual Journal of Nanoscale
Science and Technology, Vol. 11, Issue 13, April 4, 2005)
|
PDF |
DOI |
Indentation-induced
phase transformations in silicon: influences of load, rate, and
indenter angle on the transformation behavior |
J.-i. Jang, M. J. Lance, S.
Wen, T.Y. Tsui and G.M. Pharr, Acta Materialia, Vol. 53 (2005) pp.
1759-1770 |
PDF |
DOI |
Application
of instrumented indentation technique for enhanced fitness-for-service
assessment of pipeline crack |
J.-i. Jang, Y. Choi, Y.-H.
Lee, J.-S. Lee, D. Kwon, M. Gao and R. Kania, International Journal of
Fracture, Vol. 131 (2005) pp. 15-34 |
PDF |
DOI |
Instrumented
microindentation studies on long-term aged materials: work hardening
exponent and yield ratio as new degradation indicators |
J.-i. Jang, Y. Choi, Y.-H.
Lee, and D. Kwon, Materials Science and Engineering A, Vol. 395 (2005)
pp. 295-300 |
PDF |
DOI |
Nondenstructive
evaluation of welding residual stress in power plant facilities using
instrumented indentation technique |
Y. Choi, Y.-H.
Lee, J.-i. Jang, S.-K. Park, K.-H. Kim, Y.-W. Seo, and D. Kwon, Key
Engineering Materials, Vols. 297-300 (2005) pp. 2122-2127
(presented at APCFS 2004, Jeju, Korea) |
PDF |
DOI |
Before 2005
Characterization of nanoindentations in silicon by
cross-sectional TEM |
S. Wen, J. Bentley, J.-i. Jang, I.M. Anderson, and G.M.
Pharr, Microscopy and Microanalysis, Vol. 10 (Suppl 2) (2004), pp.
56-57
(presneted at M&M 2004, Savannah, GA)
[honored with Presidential Award from MSA (Microscopy Society of
America)]
|
PDF |
|
Weld crack assessments in API X65 pipeline: failure
assessment diagrams with variations in representative mechanical
properties |
J.-S. Lee, J.-B. Ju, J.-i. Jang, W.-S. Kim, and D. Kwon,
Materials Science and Engineering A, Vol. 373 (2004) pp.122-130
|
PDF |
|
Influence of biaxial surface stress on mechanical
indenting deformations |
Y.-H. Lee, J.-i. Jang, and D. Kwon, Materials Science
Forum, Vols.449-452 (2004) pp.93-96
(presented at ISAEM-2003, Jeju, Korea)
|
PDF |
|
Residual stress assessment in API X65 pipeline welds
by non-destructive instrumented indentation |
Y.-H. Lee, D. Kwon, J.-i. Jang, and W.-S. Kim, Key
Engineering Materials, Vols. 270-273 (2004) pp. 35-40
(presented at APCNDT 2003, Jeju, Korea)
|
PDF |
|
Applications of advanced indentation technique to
pre-qualification and periodic monitoring of strength performance of
industrial structures |
Y. Choi, J.-i. Jang, K.-H. Kim, D. Kwon, and S.-K. Park,
Key Engineering Materials, Vols. 270-273 (2004) pp. 1694-1699
(presented at APCNDT 2003, Jeju, Korea)
|
PDF |
|
Determination of welding residual stress in API X65
pipeline using a modified barkhausen noise method |
J.-B. Ju, J.-S. Lee, J.-i. Jang, and D. Kwon,
International Journal of Pressure Vessels and Piping, Vol. 80(2003)
pp.641-646
|
PDF |
|
Evaluation of thin film residual stress using
nanoindentation combined with atomic force microscope |
Y.-H. Lee, D. Kwon, and J.-i. Jang, International
Journal of Modern Physics B, Vol. 17 (2003) pp.1141-1146
|
PDF |
|
Evaluation of Fracture toughness through small punch
testing techniques using sharp notched specimen |
J.-B. Ju, J.-i. Jang and D. Kwon, International Journal
of Pressure Vessels and Piping, Vol. 80 (2003) pp.221-228
|
PDF |
|
Tests prove advanced indentation technique for
assessment of in-service line pipe |
Y. Choi, J.-i. Jang, J. Park, D. Kwon, M. Gao, and R.
Kania, Oil & Gas Journal, Vol. 101, No. 39 (2003) pp. 66-71
|
PDF |
|
Experimental analysis of the practical LBZ effects on
the brittle fracture performance of cryogenic steel HAZs with respect
to crack arrest toughness near fusion line |
J.-i. Jang, B.-W. Lee, J.-B. Ju, D. Kwon, and W.-S. Kim,
Engineering Fracture Mechanics, Vol. 70 (2003) pp. 1245-1257
|
PDF |
|
Determination of microstructural criterion for
cryogenic toughness variation in actual HAZs using
microstructure-distribution maps |
J.-i. Jang, J.-S. Lee, J.-B. Ju, B.-W. Lee, D. Kwon, and
W.-S. Kim, Materials Science and Engineering A, Vol. 351 (2003) pp.
183-189
|
PDF |
|
Nondestructive observation on tensile property change
of hydrogen-exposed Cr-Mo-V steel HAZ using an instrumented indentation
technique |
J.-i. Jang, Y. Choi, Y.-H. Lee, D. Kwon, D.-J. Kim and
J.-T. Kim, Journal of Materials Science Letters, Vol. 22 (2003) pp.
499-502
|
PDF |
|
Assessing welding residual stress of A335 P12 steel
welds before and after stress-relaxation annealing thorough
instrumented indentation technique |
J.-i. Jang, D. Son, Y.-H. Lee, Y. Choi, and D. Kwon,
Scripta Materialia, Vol. 48 (2003) pp. 743-748
|
PDF |
|
Effects of microstructural change on fracture
characteristics in coarse-grained heat-affected zones of QLT-processed
9% Ni steel |
J.-i. Jang, J.B. Ju, B.-W. Lee, D. Kwon, and W.-s. Kim,
Materials Science and Engineering A, Vol. 340 (2003) pp. 68-79
|
PDF |
|
Crack-initiation toughness and crack-arrest toughness
in advanced 9% Ni steel welds containing LBZs |
J.-i. Jang, B.-W. Lee, J.-B. Ju, D. Kwon, and W.-S. Kim,
Metallurgical and Materials Transactions A, Vol. 33A (2002) pp.
2615-2622
|
PDF |
|
Evaluation of fracture toughness using small-notched
specimens |
B.-W. Lee, J.-i. Jang, and D. Kwon, Materials Science
and Engineering A, Vol. 334 (2002) pp. 207-214
|
PDF |
|
Micromechanism of local brittle zone phenomenon in
weld heat-affected zones of advanced 9% Ni steel |
J.-i. Jang, J.-B. Ju, B.-W. Lee, D. Kwon, and W.-S. Kim,
Journal of Materials Science Letters, Vol. 20, No. 23 (2001) pp.
2149-2152
|
PDF |
|
A study of fracture toughness and microstructures in
the weld heat-affected zone of QLT-processed 9% Ni steel |
J.-i. Jang, Y.-c. Yang, W.-s. Kim and D. Kwon, Advances
in Cryogenic Engineering-Materials, Vol. 44 (1998) pp.41-48
|
PDF |
|
Evaluation of cryogenic fracture toughness in
SMA-welded 9% Ni steels through modified CTOD test |
J.-i. Jang, Y.-c. Yang, W.-s. Kim and D. Kwon, Metals
and Materials, Vol. 3 (1997) pp.230-238
|
PDF |
|
|
|