
MULTI-FUNCTIONAL ALLOYS LABORATORY
TECH UNIVERSITY OF KOREA (TU Korea)
PUBLICATION
(*: corresponding author)
International journal
2025
54. D. Kim, H.-N. Choi, J. Hwang, H. Fujii, J. Choi, S.-J. Lee*, ‘Textural evolution and morphological transition of Ti-6Al-4V alloy during friction-stir welding’, in preparation
53. J. Seo, K.-M. Kwon, J. Hwang, H. Fujii, J. Choi, S.-J. Lee*, ‘Hydrogen embrittlement of Ti-6Al-4V alloy subjected to friction-stir welding’, in preparation
52. J. Han, D.-K. Kim, J. Hwang, H. Fujii, J. Choi, S.-J. Lee*, ‘Wear resistance of Ti alloys’, in preparation
51. J.-W. Choi*, R. Hino, K. Ushioda, H. Fujii, S.-J. Lee*, ‘Critical review of solid-state welding for Al alloys with high joint efficiency: friction stir welding (FSW) vs. linear friction welding (LFW)’, under review
50. Y.M. Kim, S.-J. Lee*, J. Kang*, ‘Optimization framework combining material science and machine learning models: Case study in a friction stir welding process’, under review
49. H.-N. Choi, H. Fujii, S.-J. Lee*, ‘Dynamic recrystallization, textural evolution, and strengthening mechanism of medium-Mn steel subjected friction-stir welding (FSW)’, under review
48. K. M. Kwon, H. Fujii, H. Kim, S.-J. Lee*, ‘Dependence of friction-stir welding on mechanism of hydrogen embrittlement in medium-Mn steel with triplex-phase microstructure’, Acta Mater. 292 (2025) 121059
<I.F. (2023): 8.3, JCR (2023): 4.4%, 2025.06.15 (published)>
47. D.-K. Kim, S. Gong, E. Kim, S. Kang, S.-E. Shin, S.-J. Lee*, ‘Al addition-enabled enhancement of wear resistance through adhesion of oxides in AISI4340 steel’, Tribology Inter. 204 (2025) 110456
<I.F. (2023): 6.1, JCR (2023): 5.0%, 2024.06 (published)>
2024
46. S. Lee, S, Baek, S.-J. Lee, C. Chen, M. Nishijima, K. Suganuma, H. Utsunomiya, N. Ma, H.-Y. Yu, D. Kim*, ‘Driving forces of solid-state Cu-to-Cu direct bonding suppressing the work-hardening loss by refill friction stir spot welding’, Mater. Sci. Eng. A 915 (2024) 147178
<I.F. (2023): 6.1, JCR (2023): 7.7%, 2024.11 (published)>
45. J.-H. Kim, D.-I. Kim, J. Kang, J. Lee, H. Fujii, S.-J. Lee*, ‘Strengthening mechanism of Fe-17Mn alloy after friction-stir welding’, J. Alloy. Compd. 1005 (2024) 175842
<I.F. (2023): 5.3, JCR (2023): 8.8%, 2024.11 (published)>
44. J.-W. Choi*, H. Tsuruyama, R. Hino, Y. Aoki, Y. Morisada, H. Fujii, S.-J. Lee*, ‘Dissimilar linear friction welding of AZ31 magnesium alloy and AA5052-H34 aluminum alloy’, Materialia 36 (2024) 102160
<I.F. (2023): 3.0, JCR (2023): 49.8%, 2024.08 (published)>
43. H.-N. Choi, J.-W. Choi, H. Fujii, S.-J. Lee*, ‘Effect of stacking-fault energy on dynamic recrystallization and textural evolution, and strengthening mechanism Fe-Mn based twinning-induced plasticity (TWIP) steels during friction-stir welding’, J. Adv. Join. Process. 10 (2024) 100236
<I.F. (2023): 3.8, JCR (2023): 18.7%, 2024.11 (published)>
42. J.-H. Kim, H.-N. Choi, K. Lee, J. Shin, S.-J. Lee*, ‘Effect of welding speed on microstructural evolution and strengthening mechanism of friction-stir welded 7075 aluminum’, Mater. Sci. Eng. A 908 (2024) 146695
<I.F. (2023): 6.1, JCR (2023): 7.7%, 2024.08 (published)>
41. K.-M. Kwon, H.-J. Kim, H. Fujii, S.-J. Lee*, ‘Comparative study on mechanism of hydrogen embrittlement of Fe-18Mn-0.6C twinning-induced plasticity (TWIP) steel subjected to friction-stir welding (FSW) and tungsten-inert gas (TIG) welding’, Mater. Sci. Eng. A 910 (2024) 146836
<I.F. (2023): 6.1, JCR (2023): 7.7%, 2024.09 (published)>
40. D.-K. Kim, H.-J. Kim, S. Gong, S.-E. Shin, S.-J. Lee*, ‘A comparative study on the wear behavior of dual phase (DP) steel and quenching and partitioning (QP) steel’, Tribology Inter. 194 (2024) 109445
<I.F. (2023): 6.1, JCR (2023): 5.0%, 2024.06 (published)>
39. D. Kim*, S. Baek, M. Nishijima, H.-C. Lee, P. Geng, N. Ma, Z. Zhang, H. Park, C. Chen, S.-J. Lee, K. Suganuma, ‘Toward defect-less and minimized work-hardening loss implementation of Al alloy/high-purity Cu dissimilar lap joints by refill friction stir spot welding for battery tab-to-busbar applications’, Mater. Sci. Eng. A 892 (2024) 146089
<I.F. (2023): 6.1, JCR (2023): 7.7%, 2024.02 (published)>
38. S. Baek, J. Kim, T. Kwak, T. Lee, H.-C. Lee, C. Chen, P. Geng, N. Ma, S.-J. Lee, D. Kim*, ‘Al heat affected zone-less resistance element welded lap joints of Al alloy and 1 GPa class steel: Transition of microstructure and fracture with heat transfer’, J. Mater. Res. Technol. 28 (2024) 3541-3565
<I.F. (2023): 6.2 JCR (2023): 6.6%, 2024.01 (published)>
2023
37. K.-M. Kwon, T.-M. Kim, J. Han, H.-J. Kim, H. Fujii, S.-J. Lee*, ‘Effect of friction-stir welding in hydrogen embrittlement of Fe-17Mn alloy’, J. Alloy. Compd. 967 (2023) 172720
<I.F. (2021): 6.371, JCR (2021): 6.3%, 2023.12.10 (published)>
36. J. Kim, J.-H. Kim, J. Park, S. Baek, N. Ma, S.-J. Lee*, D. Kim*, ‘Continuous tempering effect induced PWHT alternative technology using wire arc additive manufacturing for application in replacing unclear pressurized water reactor system repairing: CALPHAD, FEM simulation, and EBSD investigation’, J. Mater. Res. Technol. 25 (2023) 2961-2988
<I.F. (2023): 6.267 JCR (2021): 6.33%, 2023.08 (published)>
35. J.-W. Park, H.-Y. Jung, H. Fujii, H.-J. Kim*, S.-J. Lee*, ‘Effect of friction-stir processing on wear behavior and microstructure of S45C steel’, Tribology Inter. 186 (2023) 108646
<I.F. (2023): 5.62 JCR (2023): 10.6%, 2023.08 (published)>
34. Y.-J. Lee, W.-K. Jeong, S.-J. Lee, H. Fujii, S. E. Shin, D.-G. Lee*, ‘Effect of welding conditions on microstructural evolution of friction-stir welded Ti-Cu plate', Arch. Metall. Mater. 68 (2023) 131-135
<I.F. (2021): 0.767 JCR (2020): 84.8%, 2022.03 (published)>
33. S. Baek, N. Ma, J. Song, D.-K. Kim, S.-J. Lee, C. Chen, M.-S. Kim, D. Kim*, ‘Effect of Mg remelting and mechanical hooks of steel on the mechanical and fatigue responses of resistance element welded AZ31/DP780 joints: Experimental, FEM and thermodynamic calculation studies’, J. Mater. Res. Technol. 22 (2023) 1210-1237
<I.F. (2020): 5.039 JCR (2020): 11.3%, 2022.03 (published)>
2022
32. S. Baek, J. Song, H.-C. Lee, G.Y. Go, J.-W. Park, S. Lee, S.-J. Lee, D. Kim*, ‘Microstructural and interface geometrical influence on the mechanical fatigue property of aluminum/high-strength steel lap joints using resistance element welding for lightweight vehicles: Experimental and computational investigation’, J. Mater. Res. Technol. 17 (2022) 658-678
<I.F. (2020): 5.039 JCR (2020): 11.3%, 2022.03 (published)>
31. M. S. Jeong, T.M. Park, D.-I. Kim, H. Fujii, H. J. Im, P.-P. Choi*, S.-J. Lee*, J. Han*, ‘Improving toughness of medium-Mn steel after friction stir welding through grain morphology tuning’, J. Mater. Sci. Technol. 118 (2022) 243-254
<I.F. (2020): 8.067 JCR (2020): 4.8%, 2022.08 (published)>
30. S. Baek, J. Song, H.-C. Lee, S.-Y. Park, K.-H. Song, S. Lee, S.-J. Lee, D. Kim*, ‘Robust bonding and microstructure behavior of aluminum/high-strength steel lap joints using resistance element welding process for lightweight vehicles: Experimental and numerical investigation’, Mater. Sci. Eng. A 833 (2022) 142378
<I.F. (2020): 5.234, JCR (2020): 10.0%, 2022.01.26 (published)>
2021
29. B. Mirshekari, A. Zarei-Hanzaki*, A. Barabi, H.R. Abedi*, S.-J. Lee, H. Fujii, ‘The correlation of austenite stability and sequence of strain accommodation during room temperature deformation of a duplex lightweight steel’, J. Mater. Res. Technol. 13 (2021) 1923-1932
<I.F. (2019): 5.289 JCR (2019): 6.3%, 2021.08 (published)>
28. D. Kim, C. Choe, C. Chen*, S.-M. Lee, S.-J. Lee, S. Park, S. Noh, K. Suganuma, ‘The sigma 3 twin dependence of thermo-mechanical fatigue of a polycrystalline high-purity Cu film’, Int. J. Fatigue 150 (2021) 106331
<I.F. (2018): 4.369, JCR (2019): 12.3%, 2021.09 (published)>
27. D. Kim, C. Chen*, S.-M. Lee, S.-J. Lee, S. Nagao, K. Suganuma, ‘Fracture mechanism of microporous Ag-sintered joint in a GaN power device with Ti/Ag and Ni/Ti/Ag metallization layer at different thermo-mechanical stresses’, J. Mater. Sci. 56 (2021) 9852-9870
<I.F. (2018): 2.195, JCR (2018): 45.9%, 2021.02.25 (published)>
26. B. Mirshekari, A. Zarei-Hanzaki*, A. Barabi, H.R. Abedi*, S.-J. Lee*, H. Fujii, ‘An anomalous effect of grain refinement on yield stress in friction stir processed lightweight steel’, Mater. Sci. Eng. A 799 (2021) 140057 (1-6)
<I.F. (2019): 4.652, JCR (2019): 8.9%, 2021.01.02 (published)>
2020
25. H.-J. Kim, H. Fujii, S.-J. Lee*, ‘Corrosion behavior and microstructure of stir zone in Fe-30Mn-3Al-3Si twinning-induced plasticity steel after friction stir welding’, Metals 10 (2020) 1557 (1-15)
<I.F. (2019): 2.117, JCR (2019): 22.8%, 2020.11.23 (published)>
24. B. Mirshekari, A. Zarei-Hanzaki*, A. Barabi, A. Moshiri, H.R. Abedi*, S.-J. Lee*, H. Fujii, ‘Optimizing the austenite stability in a ferritic lightweight steel through thermomechanical processing’, Mater. Charact. 166 (2020) 110367 (1-15)
<I.F. (2019): 3.562, JCR (2019): 11.4%, 2020.05.06 (published)>
23. S.E. Shin*, S. Nambu, H. Kim, J. Inoue, T. Koseki, S.-J. Lee, ‘Evaluation of factors influencing the lath martensitic deformation behavior of multi-layered steels’, Mater. Sci. Eng. A 785 (2020) 139353
<I.F. (2019): 4.652, JCR (2019): 8.9%, 2020.04.12 (published)>
22. D. Kim, C. Chen*, S.-J. Lee, S. Nagao, K. Suganuma, ‘Strengthening of DBA substrate with Ni/Ti/Ag metallization for thermal fatigue-resistant Ag sinter joining in GaN power modules’, J. Mater. Sci.: Mater. Electron. 31 (2020) 3415-3726
<I.F. (2018): 2.195, JCR (2018): 45.9%, 2020.01.23 (published)>
2019
21. D. Kim, C. Chen*, S. Noh, S.-J. Lee, Z. Zhang, Y. Kimoto, T. Sugahara, K. Suganuma, ‘Development of high-strength and superior thermal shock-resistant GaN/DBA die attach structure with Ag sinter joining by thick Ni metallization’, Microelectron. Reliab. 100-101 (2019) 113380
<I.F. (2018): 1.483, JCR (2018): 67.5%, 2019.09.23 (published)>
20. S.-J. Lee*, S.E. Shin, K. Ushioda, H. Fujii, ‘Microstructure, mechanical properties, and damping capacity in stir zone after friction stir welding of Fe-17Mn damping alloy’, J. Alloy. Compd. 803 (2019) 1155-1167
<I.F. (2018): 4.175, JCR (2018): 7.9%, 2019.09.30 (published)>
19. S.E. Shin*, S.-J. Lee, S. Nambu, T. Koseki, ‘Hydrogen embrittlement in multilayer steel consisting of martensitic and twinning-induced plasticity steels’, Mater. Sci. Eng. A 756 (2019) 508-517
<I.F. (2018): 4.081, JCR (2018): 9.2%, 2019.05.22 (published)>
18. S.-J. Lee*, T.M. Park, J.-H. Nam, W. S. Choi, Y. Sun, H. Fujii, J. Han*, ‘The unexpected stress-strain response of medium Mn steel after friction stir welding’, Mater. Sci. Eng. A 744 (2019) 340-348
<I.F. (2018): 4.081, JCR (2018): 9.2%, 2019.01.28 (published)>
17. S.-J. Lee*, K. Ushioda, H. Fujii, ‘Evaluation of stacking-fault energy in Fe-Mn based twinning-induced plasticity steels after friction stir welding’, Mater. Charact. 147 (2019) 379-383
<I.F. (2018): 3.220, JCR (2018): 14.5%, 2019.01 (published)>
2018
16. S.-J. Lee, S.E. Shin*, Y. Sun, H. Fujii, Y. Park, ‘Friction stir welding of multi-walled carbon nanotubes reinforced Al matrix composites’, Mater. Charact. 145 (2018) 653-663
<I.F. (2018): 3.220, JCR (2018): 14.5%, 2018.11 (published)>
15. S.-J. Lee*, H. Fujii, K. Ushioda, ‘Thermodynamic calculation of the stacking fault energy in Fe-Cr-Mn-C-N steels’, J. Alloy. Compd. 749 (2018) 776-782
<I.F. (2018): 4.175, JCR (2018): 7.9%, 2018.06.15 (published)>
14. S.-J. Lee*, Y. Sun, H. Fujii, ‘Stacking-fault energy, mechanical twinning and strain hardening of Fe-18Mn-0.6C-(0, 1.5)Al twinning-induced plasticity steels during friction stir welding’, Acta Mater. 148 (2018) 235-248
<I.F. (2018): 7.293, JCR (2018): 1.3%, 2018.04.15 (published)>
13. S.-M. Lee, S.-J. Lee, S. Lee, J.-H. Nam, Y.-K. Lee*, ‘Tensile properties and deformation mode of Si-added Fe-18Mn-0.6C steels’, Acta Mater. 144 (2018) 738-747
<I.F. (2018): 7.293, JCR (2018): 1.3%, 2018.02.01 (published)>
2017
12. J. Han, S.-H. Kang, S.-J. Lee, M. Kawasaki, H.-J. Lee, D. Ponge, D. Raabe, Y.-K. Lee*, ‘Superplasticity in a lean Fe-Mn-Al steel’, Nat. Comm. 8 (2017) 751
<I.F. (2018): 11.878, JCR (2018): 7.2%, 2017.09.29 (published)>
11. S.-J. Lee, J. Han, S. Lee, S.-H. Kang, S.-M. Lee, Y.-K. Lee*, ‘Design for Fe-high Mn alloy with an improved combination of strength and ductility’, Sci. Rep. 7 (2017) 3573
<I.F. (2018): 4.011, JCR (2018): 21.7%, 2017.06.15 (published)>
10. H.-Y. Yu, S.-M. Lee, J.-H. Nam, S.-J. Lee, D. Fabrègue, M.-H. Park, N. Tsuji, Y.-K. Lee*, ‘Post-uniform elongation and tensile fracture mechanisms of Fe-18Mn-0.6C-xAl twinning-induced plasticity steels’, Acta Mater. 131 (2017) 435-444
<I.F. (2018): 7.293, JCR (2018): 1.3%, 2017.06.01 (published)>
2016
9. J. Han, S.-H. Kang, S.-J. Lee, Y.-K. Lee*, ‘Fabrication of bimodal-grained Al-free medium Mn steel by double intercritical annealing and its tensile properties’ J. Alloy. Compd. 681 (2016) 580-588
<I.F. (2018): 4.175, JCR (2018): 7.9%, 2016.10.05 (published)>
8. J. Park, J. Han, S.-J. Lee, K. Yi, C. Kwon, Y.-K. Lee*, ‘Inhomogeneity of microstructure and damping capacity of a FC25 disc-brake rotor and their interrelationship’ Metall. Mater. Trans. A 47 (2016) 3933-3942
<I.F. (2018): 1.985, JCR (2018): 25.0%, 2016.08 (published)>
7. Y.-K. Lee*, S.-J. Lee, J. Han, ‘Critical assessment: Stacking fault energies of austenitic steels’, Mater. Sci. Technol. 32 (2016) 1-8
<I.F. (2018): 1.938, JCR (2018): 27.6%, 2016.03.31 (published)>
2015
6. J. Han, S.-J. Lee, C.-Y. Lee, S. Lee, S.Y. Jo, Y.-K. Lee*, ‘The size effect of initial martensite constituents on the microstructure and tensile properties of intercritically annealed Fe-9Mn-0.05C steel’, Mater. Sci. Eng. A 633 (2015) 9-16
<I.F. (2018): 4.081, JCR (2018): 9.2%, 2015.05.01 (published)>
5. C.-Y. Lee, J. Jeong, J. Han, S.-J. Lee, S. Lee, Y.-K. Lee*, ‘Coupled strengthening in a medium manganese lightweight steel with an inhomogeneously grained structure of austenite’, Acta Mater. 84 (2015) 1-8
<I.F. (2018): 7.293, JCR (2018): 1.3%, 2015.02.01 (published)>
2014
4. S.-J. Lee, J. Han, C.-Y. Lee, I.-J. Park, Y.-K. Lee*, ‘Elastic strain energy induced by epsilon martensitic transformation and its contribution to the stacking-fault energy of austenite in Fe-15Mn-xC alloys’, J. Alloy. Compd. 617 (2014) 588-596
<I.F. (2018): 4.175, JCR (2018): 7.9%, 2014.12.25 (published)>
3. S.-J. Lee, Y.-S. Jung, S.-I. Baik, Y.-W. Kim, M. Kang, W. Woo, Y.-K. Lee*, ‘The effect of nitrogen on the stacking fault energy in Fe-15Mn-2Cr-0.6C-xN twinning-induced plasticity steels’, Scripta Mater. 92 (2014) 23-26
<I.F. (2018): 4.539, JCR (2018): 5.3%, 2014.12.01 (published)>
2. J. Han, S.-J. Lee, J.-G. Jung, Y.-K. Lee*, ‘The effects of the initial martensite microstructure on the microstructure and tensile properties of intercritically annealed Fe-9Mn-0.05C steel’, Acta Mater. 78 (2014) 369-377
< I.F. (2018): 7.293, JCR (2018): 1.3%, 2014.10.01 (published)>
2012
1. S.-J. Lee, Y.-K. Lee, A. Soon*, ‘The austenite/ε martensite interface: A first-principles investigation of the fcc Fe(111)/hcp Fe(0001) system’, Appl. Surf. Sci. 258 (2012) 9977-9981
<I.F. (2018): 5.155, JCR (2018): 5.0%, 2012.10.01 (published)>
Domestic journal
3. S. Choi, J. Lee, J.-Y. Lee, Y.-C. Kim*, S.-J. Lee*, D. Kwon, ‘Effect of low transformation temperature welding consumable on microstructure, mechanical properties and residual stress in A516 carbon steel’, Korean J. Met. Mater. 59 (2021) 524-532
<I.F. (2018): 0.992, JCR (2018): 61.8%, 2021.07.05 (published)>
2. Y.J. Lee, A. Choi, S.-J. Lee, H. Fujii, S.E. Shin*, D.G. Lee, ‘Microstructure and mechanical properties of pure titanium processed using friction stir welding’, J. Korean Soc. Heat Treat. 32 (2019) 124-130
<I.F. (2017): 0.617, 2019.05 (published)>
1. H.-Y. Yu, S.-J. Lee, M. Kang, S.-J. Lee, W.J. Yang, J.S. Jeong, B.-H. Kim, Y.-K. Lee*, ‘Study on microstructure and thermal fatigue cracks at the surface of a die-casting mold made of modified STD61 steel’, Korean J. Met. Mater. 9 (2016) 672-680
<I.F. (2018): 0.992, JCR (2018): 61.8%, 2016.09 (published)>
International conference
10. “Friction stir welding of aluminum nanocomposite”,
Japanese Welding Society (JWS) (Apr. 18, 2019)
9. “Friction stir welding of medium Mn steel”,
TMS2019 (Mar. 13, 2019)
8. “Friction stir welding of Fe-17Mn alloy”,
Japanese Welding Society (JWS) (Sep. 13, 2018)
7. “Effect of friction stir welding on stacking-fault energy, mechanical twinning and strain hardening of C-bearing twinning-induced plasticity steels”,
THERMEC2018 (July 12, 2018)
6. “Friction stir welding of medium Mn steel”,
Japanese Welding Society (JWS) (Apr. 25, 2018)
5. “Stacking-fault energy, mechanical twinning and strain hardening of Fe-18Mn-0.6C-(0, 1.5)Al twinning-induced plasticity steels during friction stir welding”,
3rd International Conference on Friction Based Processes (ICFP) (Nov. 22, 2017)
4. “Friction stir welding of C-added twinning-induced plasticity (TWIP) steels”,
Japanese Welding Society (JWS) (Sep. 12, 2017)
3. “The effect of elastic strain energy induced by the epsilon martensitic transformation on the stacking fault energy of austenite in Fe-15Mn-xC alloys”,
2nd International Conference on High Manganese Steel (HMnS) (Sep. 02, 2014)
2. “Effects of carbon concentration on stacking fault energy and strain energy for γ to ε martensitic transformation in Fe-15Mn-xC (wt.%) alloys”,
International Conference on Martensitic Transformations (ICOMAT) (Sep. 2011)
1. “Interfacial properties of austenite (111) /ε –martensite (0001): A first-principles investigation”,
13th Asian Workshop on First-principles Electronic Structure Calculations (Nov. 2010)
Domestic conference
41. "Dynamic recrystallization behavior and textural evolution of medium-Mn steel after friction-stir welding (FSW)”, MRS Fall Conference (Nov. 14, 2024)
40. "타이타늄 합금의 마모거동 분석”, KIMM Fall Conference (Octo. 28, 2024)
39. "타이타늄 합금의 수소취성 분석”, KIMM Fall Conference (Octo. 28, 2024)
38. "Study on the strengthening behavior of friction-stir welded Fe-17Mn damping alloy”, KIMM Fall Conference (Octo. 29, 2024)
37. “Dynamic recrystallization behavior and textural evolution of medium Mn steel after friction-stir welding (FSW)”, KIMM Fall Conference (Octo. 29, 2024)
36. “Microstructure and impact toughness of Ti-6Al-4V alloy", KIMM Spring Conference (Apr. 25, 2024)
35. “The effect of welding speed on texture evolution, recrystallization behavior and strengthening mechanism of 7075 aluminum after friction-stir welding”, KIMM Spring Conference (Apr. 25, 2024)
34. “Influence of stacking-fault energy on the dynamic recrystallization behavior and textural evolution of Fe-high Mn twinning induced plasticity (TWIP) steels after friction-stir welding (FSW)”, KIMM Spring Conference (Apr. 25, 2024)
33. “Dependence of friction-stir welding on mechanism of hydrogen embrittlement in medium-Mn steel with triplex-phase microstructure”, KIMM Spring Conference (Apr. 25, 2024)
32. “A study on the wear resistance of AISI4340 steel with aluminum addition”,
KIMM Spring Conference (Apr. 25, 2024)
31. “Comparative study on hydrogen embrittlement behavior between friction-stir welded (FSW) and tungsten inert gas (TIG) welded Fe-18Mn-0.6C twinning-induced plasticity (TWIP) steel”,
KIMM Autumn Conference (Oct. 27, 2023)
30. “Effect of Aluminum of Microstructure and Wear Properties of AISI4340 Martensitic Steels”,
KIMM Autumn Conference (Oct. 26, 2023)
29. “Comparison of wear behavior and wear resistance between DP and QP steels”,
KIMM Autumn Conference (Oct. 26, 2023)
28. “Study on hydrogen embrittlement of Fe-18Mn-0.6C twinning-induced plasticity (TWIP) steel after friction-stir welding (FSW)”,
KIMM Autumn Conference (Oct. 28, 2022)
27. “Study on the dynamic recrystallization behavior and texture of Fe-high Mn twinning-induced plasticity (TWIP) steels after friction-stir welding (FSW)”,
KIMM Autumn Conference (Oct. 26, 2022)
25. “A study on the microstructure and impact toughness of AA7075-T6 alloy after friction stir welding”,
KIMM Autumn Conference (Oct. 26, 2022)
24. “The relationship between microstructure and wear behavior of Fe-17Mn alloy after friction stir welding”,
KIMM Autumn Conference (Oct. 26, 2022)
23. “Dynamic recrystallization behavior and strengthening mechanism of friction stir welded Fe-17Mn alloy”,
KIMM Autumn Conference (Oct. 26, 2022)
22. “Microstructure and hydrogen embrittlement of Fe-17Mn alloy after friction stir welding”,
KIMM Autumn Conference (Oct. 26, 2022)
21. “Microstructure and wear behavior of DP980 and QP980 steels”,
Korean Society for Heat Treatment Spring Conference (June 17, 2022)
20. “Effect of friction-stir welding on charpy impact property of AA7075-T6 alloy”,
Korean Society for Heat Treatment Spring Conference (June 17, 2022)
19. “Microstructure and mechanical properties of Cu-Sn end ribbon for solar cell module”,
Korean Society for Heat Treatment Spring Conference (June 17, 2022)
18. “The relationship between microstructure and mechanical properties of friction stir welded Fe-17Mn alloy”,
KIMM Spring Conference (Apr. 29, 2022)
17. “Effect of friction stir welding on hydrogen embrittlement of Fe-17Mn alloy”,
KIMM Spring Conference (Apr. 29, 2022)
16. “Effect of friction stir welding on wear behavior of S45C steel”,
KIMM Spring Conference (Apr. 29, 2022)
15. “Microstructure and mechanical properties of AA7075 aluminum after friction stir welding”,
KIMM Spring Conference (Apr. 28, 2022)
14. “Study on tribological characteristics and alloying elements of ferrous alloy treated by friction stir processing”,
Korean Society for Tribology Autumn Conference (Oct. 22, 2021)
13. “Microstructure and wear behavior of Fe-17Mn alloy after friction stir welding”,
KIMM Autumn Conference (Oct. 21, 2021)
12. “Robust bonding and fracture mechanism of aluminum/high-strength steel lap joints using resistance element welding process for lightweight vehicles”,
KIMM Autumn Conference (Oct. 22, 2021)
11. “Microstructure and wear behavior of Fe-17Mn alloy after friction stir welding”,
Korean Society for Heat Treatment Spring Conference (June 24, 2021)
10. “Microstructure of Fe-17Mn alloy after friction stir welding”,
Korean Society for Heat Treatment Spring Conference (June 24, 2021)
9. “Study on tribological characteristics of ferrous alloy treated by friction stir processing”,
Korean Society for Tribology Spring Conference (Apr. 22, 2021)
8. “Microstructure and mechanical properties of Fe-17Mn alloy after friction stir welding”,
KIMM Spring Conference (Apr. 29, 2021)
7. “Corrosion behavior and microstructure of stir zone in Fe-30Mn-3Al-3Si twinning-induced plasticity steel after friction stir welding”,
KIMM Autumn Conference (Oct. 29, 2020)
6. “Thermodynamic calculation of stacking-fault energy in austenitic Fe-Mn based steels”,
Invited talk, KIMM Spring Conference (July 16, 2020)
5. “Alloy design parameters for austenitic Fe-high Mn twinning-induced plasticity steel”,
KIMM Autumn Conference (Oct. 26, 2016)
4. “The stacking fault energy measurements in N-added austenitic TWIP steels”,
KIMM Autumn Conference (Oct. 24, 2014)
3. “Effects of carbon concentration on stacking fault energy and strain energy for γ to ε martensitic transformation in Fe-15Mn-xC (wt.%) alloys”,
KIMM Spring Conference (Apr. 26, 2013)
2. “Interfacial properties of austenite (111)/ε–martensite (0001): A first-principles investigation”,
6th Steel Science Forum (June 2012)
1. “Interfacial properties of austenite (111)/ε–martensite (0001): A first-principles investigation”,
KIMM Spring Conference (Apr. 22, 2011)

