[67] S.-Y. Lee, I.-C. Choi*,... , "Effect of Zr and V on Substitutional Solid-Solution Strengthening in BCC-structured Medium-entropy Alloys  ...", in preparation.

[66] J. E. Jang et al., "Effect of Ca content in Mg melt ...", submitted.

[65] Y.-H. Lee et al., "Amorphous Matrix–Integrated Anodes ...", submitted.

[64] J.-W. Kim, T,-Y. Park, D.-H. Lee, and I.-C. Choi*, "Effect of Cr and Al Concentrations on Nanomechanical Proeprties of Nb-Ti-Cr-Al Medium-entropy Alloys", submitted.

[63] D.-H. Kim, Y.-H. Lee, J.-M. Yoon, P. Thondaiman, B. C. Kim, I.-C. Choi, J.-H. Lee, K.-J. Jeon, C.-M. Park, "Li-Si Compound Anodes: A High-Performance Solution for All-Solid-State Li-Ion Batteries", submitted.

[62] T.-Y. Park and I.-C. Choi*, "Effect of Heat Treatment on the Mechanical Properties of Hot-rolled AZMX1100 Alloy," Korean Journal of Metals and Materials, 63 (2025) 305-317. DOI

[61]  J.-W. Kim, S.-K. Yoo, D.-H. Lee and I.-C. Choi*, “Microstructure and Compressive Mechanical Properties of BCC structured (NbTi)100-x(CrAl)x Medium-entropy Alloys,” Intermetallics, 179 (2025) 108651. DOI

[60] Y. H. Jung, B. J. Kim, H. Kim, S. H. Kim, S. G. Lee, D. J. Lee, I.-C. Choi, and J. G. Kim, "Shot-peening time effect on mechanical properties of 4245 high-speed steel for harmonic drive," Metals and Materials International, 31 (2025) 692-700. DOI

[59] H. Park, J. Kim, M. Kang, K. Bae, J. H. Lee, S. H. Kim, S. Y. Lee, T. Y. Park, and I.-C. Choi*, "Effect of Heat Treatment on Indentation Properties and Corrosion Behavior of Al0.3CrCuCoxFeyNi3-x-y High-entropy Alloy," Journal of The Korean Society for Heat Treatment, 37 (2024) 310-318. DOI

[58] Y.-H. Lee, D.-H. Kim, J.-M. Yoon, I.-C. Choi, J.-H. Choi, K.-J. Jeon, Y.-C. Ha, and C.-M Park, "Empowering All-Solid-State Li-Ion Batteries with Self-Stabilizing Sn-Based Anodes," Joule, 8 (2024) 1-17. DOI

[57] 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, Y. Semerenko, H. Sena, H. Shahmir, X. Shi, S. Shumilin, V. Sklenicka, W. Skrotzki, N. Skryabina, F. Staab, B. Straumal, Z. Sun, M. Szczerba, E. Tabachnikova, 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.Z. Zhu, Y.T. Zhu (total 125 authors from 15 countries), "Severe plastic deformation for producing superfunctional ultrafine-grained and heterostructured materials," Journal of Alloys and Compounds, 1002 (2024) 174667. DOI

[56] H.-J. Yang, H. J. Mun, Y.-S. Choi, J.-H. Park, H.-J. Youn, I.-C. Choi*, and M.-H. Oh, "Effect of Cu Content and Annealing Temperature on the Shape Memory Effect of NiTi-based Alloy," Journal of The Korean Society for Heat Treatment, 37 (2024) 79-85. DOI

[55] S.-K. Yoo, J.-W. Kim, C.-L. Lee, M.-H. Oh, and I.-C. Choi*, "Evaluation of microstructure and mechanical properties of TiAl/HI-TEMP 820/SCM440H materials manufactured through vacuum brazing according to process temperature," Korean Journal of Metals and Materials, 62 (2024) 229-238. DOI

[54] T.-Y. Park, C.-W. Kim, S.-M. Yang, H.-J. Hong, and I.-C. Choi*, "Study on the Room Temperature Degreasing Conditions of Steel Sheet for Electrogalvanizing," Journal of The Korean Society for Heat Treatment, 1 (2024) 16-22. DOI 

[53]  J. Jeong, G. W. No, H. J. Bae, S. K. Yoo, I.-C. Choi,  H. S. Kim, J. B. Seol, J. G. Kim, “Mechanical properties of lamellar-structured 18Ni300 Maraging steel manufactured via directed energy deposition,” Materials Science & Engineering A, 892 (2024) 146031. DOI

[52] N. Hassan, J. Lee, M. Kim, U. Kim, M. Kim, S. Moon, K. Raju, B. Ahn, I.-C. Choi, S.-S. Ryu, J. Cho, “Enhanced mechanical properties of aluminum nitride-yttria ceramics through grain refinement by pressure assisted two-step sintering,” Journal of the European Ceramic Society, 44 (2024) 831-840. DOI

[51]  S.H. Shim, D.-H. Lee, B.J. Lee, I.-C. Choi,  Y.-K. Kim, K.R. Lim, Y.S. Na, and S.I. Hong ,“Synergetic strengthening through ultrafine-grained anisotropic microstructure and nanoscale heterogeneity in CoCuFeMnNi high entropy alloy wires,” Materials Science & Engineering A, 889 (2024) 145829. DOI

[50]  P. Saini, S. Nag, J.-i. Jang, I.-C. Choi, U. Ramamurty, R.L. Narayan, “A statistical analysis of the second ‘pop-in’ behaviour of the spherical-tip nanoindentation of Zr-based bulk metallic glasses,” Materialia, 31 (2023) 101862. DOI

[49] D.-H. Lee, I.-C. Choi*, M. Kawasaki, T.G. Langdon, and J.-i. Jang, "Nanomechanical behavior of high-entropy alloys processed by high-pressure torsion: A review," Materials Transcations, 64 (2023) 1551. (invited overview paper in the special issue on "Superfunctional Nanomaterials by SPD: Fundamentals and Potential Applications")  DOI

[48]  S.-K. Yoo, J.-W. Kim, M.-H. Oh, and I.-C. Choi*, “Characterizing residual stress of post-heat treated Ti/Al Cladding materials using nanoindentation test method,” Journal of The Korean Society for Heat Treatment, 2 (2023) 61. DOI 

[47]  S.-K. Yoo, J.-W. Kim, M.-H. Oh, and I.-C. Choi*, “Effect of post-heat treatment temperature on interfacial me-chanical properties of cold-rolled Ti/Al clad material,” Materials, 15 (2022) 6103. DOI

[46]  Christian Brandl, I.-C. Choi, and Ruth Schwaiger, “Temperature-dependent slip system in high-purity body-centered cubic chromium revealed by nanoindentation,” Materials Science & Engineering A , 852 (2022) 143629, Equally contributed as first author. DOI

[45]  I.-C. Choi and M.-H. Oh, “Application of Nanoindentation Technique for Characterizing Surface Properties of Carburized Materials,” Journal of The Korean Society for Heat Treatment , 35(2) (2022) 139-149.   DOI

[44] K.-Y. Kim, M.-H. Oh, and  I.-C. Choi*, “Evaluating Nanomechanical Properties on Interface of Friction-welded TiAl and SCM440 Alloys with Cu as an Insert Metal,” Journal of The Korean Society for Heat Treatment , 34(6) (2021) 309-314.   DOI

[43]  I.-C. Choi and J.-i. Jang, “A Survey of Nanoindentation Studies on HPT-Processed Materials,” Advanced Engineering Materials, 22 (2020) Art. No. 1900648. (invited article in the special issue dedicated to Terence G. Langdon on the occasion of his 80th birthday; selected as cover picture paper)  DOI

[42] K.-Y. Kim,  I.-C. Choi, I. Kazuhiro and M.-H. Oh, “Electrical properties of friction welded joints between Cu-Al,” Journal of The Korean Society for Heat Treatment , 33(6) (2020) 284-289.   DOI

[41]  I.-C. Choi*, “Characterizing small-scale mechanical behaviors of heat-treated materials with nanoindentation technique,” Journal of The Korean Society for Heat Treatment , 33(2) (2020) 72-79.   DOI

[40]  K.-Y. Kim,  I.-C. Choi, K. Ito and M.-H. Oh, “Growth of intermetallic compounds by heat treatment at interface of friction welded Al-Cu system,” Journal of The Korean Society for Heat Treatment , 32(2) (2019) 79-85.   DOI

[39]  S.-H. Park, K.-Y. Kim, J.-M. Park, I.-C. Choi, K. Ito and M.-H. Oh, “Interfacial properties of friction-welded TiAl and SCM440 alloys with Cu as insert meteal,” Korean Journal of Materials Research, 29(4) (2019) 258-263.   DOI

[38]  D.-H. Lee, I.-C. Choi, G. Yang, Z. Lu, M. Kawasaki, U. Ramamurty, R. Schwaiger, and J.-i. Jang, “Activation energy for plastic flow in nanocrystalline CoCrFeMnNi high-entropy alloy: A high temperature nanoindentation study,” Scripta Materialia, 156 (2018) 129-133, Equally contributed as first author.  DOI

[37]  H. Chen, A. Kauffmann, S. Laube, I.-C. Choi, R. Schwaiger, Y. Huang, K. Lichtenberg, F. Müller, B. Gorr, H.-J. Christ, and M. Heilmaier, “Contributions of lattice distortion to solid solution strengthening in a series of refractory high entropy alloys,” Metallurgical and Materials Transactions A, 49A (2018) 772-781.  DOI

[36]  I.-C. Choi, Christian Brandl, and Ruth Schwaiger, “Thermally activated dislocation plasticity in body-centered cubic chromium studied by high-temperature nanoindentation,” Acta Materialia, 140 (2017) 107-115.  DOI

[35]  J.-A Lee, D.-H. Lee, M.-Y. Seok, I.-C. Choi, H.N. Han, T.Y. Tsui, U. Ramamurty, and J.-i. Jang, “Significant strengthening of nanocrystalline Ni sub-micron pillar by cyclic loading in elastic regime,” Scripta Materialia, 140 (2017) 31-34.  DOI

[34]  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, “Statistical analysis of the size- and rate-dependence of yield and plastic flow in nanocrystalline copper pillars,” Acta Materialia, 127 (2017) 332-340.  DOI

[33]  B. Ahn, H.-J. Lee, I.-C. Choi, M. Kawasaki, J.-i. Jang, T.G. Langdon, “Micro-mechanical behavior of an exceptionally strong metal matrix nanocomposite processed by high-pressure torsion,” Advanced Engineering Materials, 18 (2016) 1001-1008.  DOI

[32]  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, “Spherical nanoindentation creep behavior of nanocrystalline and coarse-grained CoCrFeMnNi high-entropy alloys,” Acta Materilia, 109 (2016) 314-322.  DOI

[31]   J.-A Lee, B.B. Seo, I.-C. Choi, M.-Y. Seok, Y. Zhao, Z. Jahed, U. Ramamurty, T.Y. Tsui, J.-i. Jang, “Time-dependent nanoscale plasticity in nanocrystalline nickel rods and tubes,” Scripta Materilia, 112 (2016) 79-82.  DOI

[30]  Y. Zhao, M.-Y. Seok, I.-C. Choi, Y.-H. Lee, S.-J. Park, U. Ramamurty, J.-Y. Suh, J.-i. Jang, “The role of hydrogen in hardening/softening steel: influence of the charging process,” Scripta Materialia, vol. 107 (2015) 46-49.  DOI

[29]  D.-H. Lee, I.-C. Choi, M.-Y. Seok, J. He, Z. Lu, J.-Y. Suh, M. Kawasaki, T.G. Langdon, J.-i. Jang, “Nanomechanical behavior and structural stability of a nanocrystalline CoCrFeNiMn high-entropy alloy processed by high-pressure torsion,” Journal of Materials Research, 30 (2015) 2804-2815.  DOI

[28]  M.-Y. Seok, I.-C. Choi, Y. Zhao, D.-H. Lee, J.-A Lee, J.-i. Jang, “Microalloying effect on the activation energy of hot deformation,” Steel Research International, vol. 86 (2015) 817-820.  DOI

[27]  Y.-J. Kim, I.-C. Choi, J.-A Lee, M.-Y. Seok, J.-i. Jang, “Strain-dependent transition of time-dependent deformation mechanism in single crystal ZnO evaluated by spherical nanoindentation,” Philosophical Magazine, vol. 95 (2015) 1896-1906.  DOI

[26]  Y.-J. Kim, T.G. Yun, I.-C. Choi, S. Kim, W.I. Park, S.M. Han, J.-i. Jang, “Time-dependent mechanical-electrical coupled behavior in single crystal ZnO nanorods,” Scientific Reports, vol. 5 (2015) Art. No. 9716.  DOI

[25]  D.-H. Lee, I.-C. Choi, M.-Y. Seok, Y. Zhao, J.-A Lee, J.-i. Jang, “Strain-dependent plasticity evolution of window glass,” Journal of the American Ceramic Society, vol. 98 (2015) 186-189.  DOI

[24]  I.-C. Choi, D.-H. Lee, B. Ahn, K. Durst, M. Kawasaki, T.G. Langdon, J.-i. Jang, “Enhancement of strain-rate sensitivity and shear yield strength of a magnesium alloy processed by high-pressure torsion,” Scripta Materialia, vol. 94 (2015) 44-47. (this paper was selected in Top 25 Hottest Articles of Scripta Materialia for October to December 2014, see here)  DOI

[23]  Y. Zhao, I.-C. Choi, M.-Y. Seok, U. Ramamurty, J.-Y. Suh, J.-i. Jang, “Hydrogen-induced hardening and softening of Ni-Nb-Zr amorphous alloys: Dependence on the Zr content,” Scripta Materialia, vol. 93 (2014) 56-59.  DOI

[22]  I.-C. Choi, B.-G. Yoo, O. Kraft, R. Schwaiger, M.-Y. Seok, M. Kawasaki, T.G. Langdon, J.-i. Jang, “High-cycle fatigue behavior of Zn-22%Al processed by high-pressure torsion,” Materials Science and Engineering A, vol. 618 (2014) 37-40.  DOI

[21]  Y. Zhao, I.-C. Choi, M.-Y. Seok, M.-H. Kim, D.-H. Kim, U. Ramamurty, J.-Y. Suh, J.-i. Jang, “Effect of hydrogen on the yielding behavior and shear transformation zone volume in metallic glass ribbons,” Acta Materialia, vol. 78 (2014) 213-221.  DOI

[20]  M.-Y. Seok, I.-C. Choi, J. Moon, S. Kim, U. Ramamurty, J.-i. Jang, “Estimation of Hall-Petch strengthening coefficient of steels through nanoindentation,” Scripta Materialia, vol. 87 (2014) 49-52.  DOI

[19]  M.-Y. Seok, Y.-J. Kim, I.-C. Choi, Y. Zhao, J.-i. Jang, “Predicting flow curves of two-phase steels from spherical nanoindentation data of constituent phases: Isostrain method vs. non-isostrain method,” International Journal of Plasticity, vol. 59 (2014) 108-118.  DOI

[18]  I.-C. Choi, Y.-J. Kim, B. Ahn, M. Kawasaki, T.G. Langdon, J.-i. Jang, “Evolution of plasticity, strain-rate sensitivity and the underlying deformation mechanism in Zn-22%Al during high-pressure torsion,” Scripta Materialia, vol. 75 (2014) 102-105. (For this paper, I.-C. Choi won the Acta Student Award, see here)  DOI

[17]  Y. Zhao, I.-C. Choi, Y.-J. Kim, J.-i. Jang, “On the nanomechanical characteristics of thermally-treated alloy 690: Grain boundaries versus grain interior,” Journal of Alloys and Compounds, vol. 582 (2014) 141-145.  DOI

[16]  I.-C. Choi, Y.-J. Kim, Y.M. Wang, U. Ramamurty, J.-i. Jang, “Nanoindentaion behavior of nanotwinned Cu: Influence of indenter angle on hardness, strain rate sensitivity, and activation volume,” Acta Materialia, vol. 61 (2013) 7313-7323.  DOI

[15]  Y.-J. Kim, W.W. Lee, I.-C. Choi, B.-G. Yoo, S.M. Han, H.-G. Park, W.I. Park, J.-i. Jang, “Time-dependent nanoscale plasticity of ZnO nanorods,” Acta Materialia, vol. 61 (2013) 7180-7188.  DOI

[14]  B.-G. Yoo, I.-C. Choi, Y.-J. Kim, U. Ramamurty, J.-i. Jang, “Room-temperature anelasticity and viscoplasticity of Cu-Zr bulk metallic glasses evaluated using nanoindentation,” Materials Science and Engineering A, vol. 577 (2013) 101-104.  DOI

[13]  I.-C. Choi, Y.-J. Kim, M.-Y. Seok, B.-G. Yoo, J.-Y. Kim, Y.M. Wang, J.-i. Jang, “Nanoscale room temperature creep of nanocrystalline nickel pillars at low stresses,” International Journal of Plasticity, vol. 41 (2013) 53-64.  DOI

[12]  I.-C. Choi, Y. Zhao, Y.-J. Kim, B.-G. Yoo, J.-Y. Suh, U. Ramamurty, J.-i. Jang, “Indentation size effect and shear transformation zone size in a bulk metallic glass in two different structural states,” Acta Materialia, vol. 60 (2012) 6862-6868.  DOI

[11]  B.-G. Yoo, J.-Y. Kim, Y.-J. Kim, I.-C. Choi, S. Shim, T.Y. Tsui, H. Bei, U. Ramamurty, J.-i. Jang, “Increased time-dependent room temperature plasticity in metallic glass nanopillars and its size-dependency,” International Journal of Plasticity, vol. 37 (2012) 108-118.  DOI

[10]  I.-C. Choi, Y. Zhao, B.-G. Yoo, Y.-J. Kim, J.-Y. Suh, U. Ramamurty, J.-i. Janng, “Estimation of the shear transformation zone size in a bulk metallic glass through statistical analysis of the first pop-in stresses during spherical nanoindentation,” Scripta Materialia, vol. 66 (2012) 923-926.  DOI

[9]  B.-G. Yoo, I.-C. Choi, Y.-J. Kim, J.-Y. Suh, U. Ramamurty, J.-i. Jang, “Further evidence for room temperature, indentation-induced nanocrystallization in a bulk metallic glass,” Materials Science and Engineering A, vol. 545 (2012) 225-228.  DOI

[8]  Y.-J. Kim, B.-G. Yoo, I.-C. Choi, M.-Y. Seok, J.-Y. Kim, T. Ohmura, J.-i. Jang, “Martensitic phase transformation and pop-in in compression of austenitic steel nanoplates observed in situ by transmission electron microscopy,” Materials Letters, vol. 75 (2012) 107-110.  DOI

[7]  I.-C. Choi, B.-G. Yoo, Y.-J. Kim, J.-i. Jang, “Indentation creep revisited,” Journal of Materials Research, vol. 27 (2012) 3-11. (Review article in focus issue on indentation)  DOI

[6]  J.-H. Oh, I.-C. Choi, G.-S. Shin, D.-B. Lee, S.-J. Kim and J.-i. Jang, “The state-of-the-art of nickel-based superalloy development for advanced ultra-supercritical fossil power plant boilers,” Trends in Metals & Materials Engineering, 24(2) (2011) 27-33.

[5]  I.-C. Choi, B.-G. Yoo, Y.-J. Kim, M.-Y. Seok, Y.M. Wang, J.-i. Jang, “Estimating stress exponent of nanocrystalline nickel: sharp vs. spherical indentation,” Scripta Materialia, vol. 65 (2011) 300-303.  DOI

[4]  J.-H. Oh, I.-C. Choi, Y.-J. Kim, B.-G. Yoo, J.-i. Jang, “Variations in overall- and phase-hardness of a new Ni-based superalloy during isothermal aging,” Materials Science and Engineering A, vol. 528 (2011) 6121-6127.  DOI

[3]  J.-H. Oh, B.-G. Yoo, I.-C. Choi, M.L. Santella, J.-i. Jang, “Influence of thermo-mechanical treatment on the precipitation strengthening behavior of Inconel 740 a Ni-based superalloy,” Journal of Materials Research, vol. 26 (2011) 1253-1259.  DOI

[2]  J.-i. Jang, B.-G. Yoo, Y.-J. Kim, J.-H. Oh, I.-C. Choi, H. Bei, “Indentation size effect in bulk metallic glass,” Scripta Materialia, vol. 64 (2011) 753-756. (this paper was selected in Top 25 Hottest Articles of Scripta Materialia for January to March 2011, see here)  DOI

[1]  Y.-J. Kim, K. Son, I.-C. Choi, I.-S. Choi, W.I. Park, J.-i. Jang, “Exploring nanomechanical behavior of silicon nanowire: AFM bending vs. nanoindentation,” Advanced Functional Materials, vol. 21 (2011) 279-286.  DOI