About Lab.
- “Effect of Cr Addition to High Mn Steel on Flow-Accelerated Corrosion Behaviors in Neutral Aqueous Environments”, Jeong, Yeong Jae; Park, Jin Sung; Bang, Hye Rin; Lee, Soon Gi; Choi, Jong Kyo; Kim, Sung Jin, The Corrosion Science Society of Korea, Vol. 20, 373-383 (2021)
- "A study on the mechanism of iodine-induced stress-corrosion cracking of Zircaloy-4”, Kee-Nam Choo, Su-Il Pyun, Jong-Kyo Choi, Journal of Nuclear Materials, Vol. 149, 289-295 (1987)
- "Design for avoid unstable fracture in shipbuilding and offshore plant structure”, G An, HY Bae, BD Noh, YH An, JK Choi, The Korean Welding and Joining Society, Vol. 33, 33-40 (2015)
- “Pearlite morphology in the hypereutectoid steels”, KT Park, SK Cho, JK Choi, Scripta Materialia, Vol. 37, 661-666 (1997)
- “Small-scale mechanical property characterization of ferrite formed during deformation of super-cooled austenite by nanoindentation”, TH Ahn, KK Um, JK Choi, KH Oh, M Kim, Materials Science and Engineering: A, Vol. 523, 173-177 (2009)
- “In-situ neutron diffraction analysis on deformation behavior of duplex high Mn steel containing austenite and ɛ-martensite”,KH Kwon, JS Jeong, JK Choi, YM Koo, Metals and Materials International, Vol. 18, 751-755 (2012)
- “Effects of austenite conditioning on austenite/ferrite phase transformation of HSLA steel”,YH Bae, JS Lee, JK Choi, WY Choo, MATERIALS TRANSACTIONS, Vol. 45, 137-142 (2004)
- “Long-Term Corrosion Behavior of Strong and Ductile High Mn-Low Cr Steel in Acidic Aqueous Environments”,JS Park, SO Kim, YJ Jeong, SG Lee, JK Choi, SJ Kim, Materials, Vol. 15 (2022)
- “Strong and ductile Fe-24Mn-3Cr alloy resistant against erosion-corrosion”,Yeong Jae Jeong1,5, Si On Kim1,5, Jin Sung Park1, Jae Won Lee2, Joong-Ki Hwang3, Soon Gi Lee4, Jong Kyo Choi4 and Sung Jin Kim 1, Materials Degradation, Vol. 47 (2021)
- “Cryogenic S-N Fatigue and Fatigue Crack Propagation Behaviors of High Manganese Austenitic Steels”,Jeong, Dae-ho; Lee, Soon-gi; Jang, Woo-kil; Choi, Jong-kyo; Kim, Young-ju , Physical Metallurgy and Materials Science, A; New York, Vol. 44
- “A new theory describing the hydrogen-assisted intergranular cracking of high-strength steels”,Jong-Kyo Choi, Su-Il Pyun , Journal of Materials Science, Vol. 25, 246-252 (1990)
- “Formation of ultrafine ferrite by strain-induced dynamic transformation in plain low carbon stee”,JK Choi, DH Seo, JS Lee, KK Um, WY Choo, ISIJ International, Vol. 43, 746-754 (2003)
- " Effects of a strong magnetic field on the phase stability of plain carbon steels”, JK Choi, H Ohtsuka, Y Xu, WY Choo, Scripta Materialia, Vol. 43, 221-226 (2000)
About Prof.
프로필
- 2025-Present POSTECH 친환경소재대학원 연구교수
- 2023-2025 포스코 기술연구원 연구위원
- 2019-2022 포스코 기술연구원 임원
- 2016-2018 포스코 기술연구원 그룹장
- 2015-2016 포스코 마케팅 그룹장
- 1989-2014 포스코 RIST 기술연구원 연구원/그룹장
교육
- 1988 KAIST 금속공학과 박사
- 1985 KAIST 재료공학과 석사
- 1983 서울대학교 금속공학과 학사
주요 연구분야
- 고Mn강 및 후판/선재 제품 개발