Faculty
Seok Su Sohn (Seok Su Sohn)
- Position
- Associate Professor
- Phone Number
- +82-2-3290-3270
- Research Areas
- Structural steel and nonferrous alloy deformation mechanism based alloy design (automotive steel sheet, cryogenic material, high entropy alloy), mechanical properties (strength, destructive)
- Office
- #619, Engineering Building
- Degree
- Ph.D.
- Homepage
- http://www.alloy.korea.ac.kr/
- sssohn@korea.ac.kr
Education
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Ph.D., Materials Science and Engineering, POSTECH (2010.03 - 2015.02) B.S., Materials Science and Engineering, Hanyang University (2006.03 - 2010.02)
Professional Experience and Awards
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•2018.10 : MMI Springer paper awards, KIMM •2018.04 : Outstanding Reviewer awards for excellence in reviewing in 2017, as selected by the Editors of Scripta Materialia •2015.10 : Grand prize for the 1st steel technology solution contest, KIMM & POSCO (Prize money : 50 million Won) •2015.02 : Best paper prize of the year, KIMS •2014.12: Top rising doctoral prize of the year in Dept. of MSE, POSTECH •2013.12: Top scholarly monographs prize of the year in Dept. of MSE, POSTECH
Journal Articles
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1. S.S. Sohn*, A. Kwiatkowski da Silva, Y. Ikeda, F. Körmann, W. Lu, W.S. Choi, B. Gault, D. Ponge, J. Neugebauer, D. Raabe : “Ultrastrong medium-entropy single-phase alloys designed via severe lattice distortion”, Advanced Materials, 31 (2019) 1807412. 2. J.H. Choi, M.C. Jo, H. Lee, A. Zargaran, T. Song, S.S. Sohn, N.J. Kim, S. Lee : “Cu addition effects on TRIP to TWIP transition and tensile property improvement of ultra-high-strength austenitic high-Mn steels”, Acta Materialia, 166 (2019) 246-260. 3. H. Lee, M.C. Jo, S.S. Sohn*, A. Zargaran, J.H. Ryu, N.J. Kim, S. Lee : “Novel 1.6-GPa-strength with 20%-ductility by Mn-segregation-induced TRIP mechanism in medium-Mn (austenite+martensite) duplex hot-rolled steel”, Acta Materialia, 147 (2018) 247-260. 4. J.W. Bae, J.B. Seol, J.U. Moon, S.S. Sohn, M.J. Jang, H.Y. Um, B.-J. Lee, H.S. Kim : “Exceptional Phase-Transformation Strengthening of Ferrous Medium-Entropy Alloys at Cryogenic Temperatures”, Acta Materialia, 161 (2018) 388-399. 5. Y.H. Jo, S. Jung, W.M. Choi, S.S. Sohn*, H.S. Kim, B.J. Lee, N.J. Kim, S. Lee : “Cryogenic strength improvement by utilizing room-temperature deformation twinning in partially recrystallized VCrMnFeCoNi high entropy alloy”, Nature Communications, 8:15719 (2017) 1-8. 6. H. Song, J. Yoo, S.-H. Kim, S.S. Sohn*, M. Koo, N.J. Kim, S. Lee : “Novel ultra-high-strength Cu-containing medium-Mn duplex lightweight steels”, Acta Materialia, 135 (2017) 215-225. 7. S.S. Sohn, H. Song, B.-C. Suh, J.-H. Kwak, B.-J. Lee, N.J. Kim, S. Lee : “Novel ultra-high-strength (ferrite + austenite) duplex lightweight steels achieved by fine dislocation substructures (Taylor lattices), grain refinement, and partial recrystallization”, Acta Materialia 96 (2015) 301-310. 8. S.S. Sohn, S. Hong, J. Lee, B.-C. Suh, S.-K. Kim, B.-J. Lee, N.J. Kim, S. Lee : “Effects of Mn and Al contents on cryogenic-temperature tensile and Charpy impact properties in four austenitic high-Mn steels”, Acta Materialia 100 (2015) 39-52. 9. H. Kim, J. Park, Y. Ha, W. Kim, S.S. Sohn, H.S. Kim, B.-J. Lee, N.J. Kim, S. Lee : “Dynamic tension–compression asymmetry of martensitic transformation in austenitic Fe–(0.4,1.0)C–18Mn steels for cryogenic applications”, Acta Materialia 96 (2015) 37-46. 10. S.S. Sohn, K. Choi, J.-H. Kwak, N.J. Kim, S. Lee : “Novel ferrite-austenite duplex lightweight steel with 77% ductility by transformation induced plasticity and twinning induced plasticity mechanisms”, Acta Materialia 78 (2014) 181-189. 11. S.S. Sohn, B.-J. Lee, S. Lee, J.-H. Kwak : “Effects of aluminum content on cracking phenomenon occuring during cold rolling of three ferrite-based lightweight steel”, Acta Materialia 61 (2013) 5626-5635. 12. S.S. Sohn, B.-J. Lee, S. Lee, N.J. Kim, J.-H. Kwak : “Effect of annealing temperature on microstructural modification and tensile properties in 0.35 C–3.5 Mn–5.8 Al lightweight steel”, Acta Materialia 61 (2013) 5050-5066.