Education

• 2023.02 - present

Ph.D. student in Graduate Institute of Ferrous & Energy Materials Technology (GIFT), POSTECH, Korea

• 2021.02 - 2023.02

M.S. in Graduate Institute of Ferrous & Energy Materials Technology (GIFT), POSTECH, Korea

• 2019.02 - 2021.02

B.S. in Department of Material Science and Metallurgical Engineering, Kyunpook National University (KNU), Korea

Publication

• Chang-Gon Jeong, T.T.T. Trang, Youngyun Woo, Eun Yoo Yoon, Youngseon Lee, Yoon-Uk Heo*,"Exploring the impact of intercritical annealing on microstructural evolution and mechanical performance in low alloy multiphase TRIP-assisted steels", Materials Science and Engineering: A, 919 (2025) 147490.
• Chang-Gon Jeong, T.T.T. Trang, Youngyun Woo, Eun Yoo Yoon, Youngseon Lee, Yoon-Uk Heo*,"Effect of cooling rate on the final microstructure and tensile property in an Fe–Mn–Si–C-based multiphase TRIP steel", Materials Science and Engineering: A, 887 (2023) 145696.
• T.T.T. Trang, Chang-Gon Jeong, Dongwon Lee, Yoon-Uk Heo*, "Nano‐sized Lamellar Structures and Tensile Properties of Intercritical‐annealed Medium Mn Steels Containing Multi‐phases". Steel Research International, 94 (2022) 2200233.
• Yoon‑Uk Heo*, Chang‑Gon Jeong, Soo‑Hyun Kim, Gun‑Young Yoon, T. T. T. Trang, Youngyun Woo, Eun Yoo Yoon, Young‑Seon Lee, "EPMA quantification on the chemical composition of retained austenite in a Fe-Mn-Si-C-based multi-phase steel", Applied Microscopy, 52 (2022) 14.

Awards

• 2023 한국현미경학회 춘계학술대회 우수 구두 발표상, "The effect of intercritical annealing temperature on mechanical properties in a Fe-Mn-Si-C-based multi-phase TRIP steels"
• 2023 한국소성가공학회 춘계학술대회 진합 학술상, "Fe-Mn-Si-C계 다상 TRIP강의 냉각속도에 따른 미세조직과 인장 특성 변화 연구"
• 2023 대한금속재료학회 춘계학술대회 학생구두발표 우수상, "Fe-Mn-Si-C계 다상 TRIP강의 냉각속도에 따른 미세조직과 인장 특성 변화 연구"