Education

• 2023.03-present

Post-doc. in Graduate Institute of Ferrous and Energy Materials Technology, Pohang University of Science and Technology (POSTECH), Korea

• 2019.02-2023.02

Ph.D. in Graduate Institute of Ferrous and Energy Materials Technology, Pohang University of Science and Technology (POSTECH), Korea

• 2010.09-2012.08

M.S. in Graduate Institute of Ferrous Technology, Pohang University of Science and Technology (POSTECH), Korea

• 2005-2010

B.E. in Materials Technology, Ho Chi Minh University of Technology (HCMUT), Vietnam

Publication

• ​Donwon Lee, Yeon-Seok Kim, T.T.T. Trang, Won-Tae Cho, Myeong-Hun Kang, Jae Sang Lee, Chang Hee Yim, Yoon-Uk Heo*, "Internal oxidation behavior and its effect on the surface crack formation in a Fe-Mn-Al-C high Mn steel", Engineering Failure Analysis, 166 (2024) 108895.
• Sang-hoon Shin, T.T.T. Trang, Bong-Hoon Chung, Yong-Gyun Jeong, Yoon-Uk Heo*, "Microscopic Study on the Blister Formation Mechanism in Electrogalvanized Steel", Metals and Materials International (2024).
• T.T.T. Trang, Yoon-Uk Heo*, "Transmission electron microscopy study on the phase transformation of metastable precipitates to stable phases", Microscopy, dfad043 (2023).
• 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(6), 145696 (2023).
• T.T.T. Trang, Dognwon Lee, Yoon-Uk Heo*, "Direct observation of the ledge-typed twin boundary in a martensitic steel", Acta Materialia, 119285 (2023).

• Dongwon Lee, T.T.T. Trang, Yoon-Uk Heo*, "Role of Dislocation Climb on Twin Boundary and Antiphase Boundary Formations in inverse-spinel MnAl2O4", Journal of Alloys and Compounds, 170526 (2023).
• 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(14), (2022).
• 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, steel research international, 2200233 (2022).
• T.T.T. Trang, Soo-Yeon Lee, Yoon-Uk Heo*, Myeong-Hun Kang, Dong-Ho Lee, Jae Sang Lee, Chang Hee Yim, "Improved hot ductility of an as-cast high Mn TWIP steel by direct implementation of an MnS-containing master alloy", Scripta Materialia, 215, 114685 (2022).
• T.T.T. Trang, Yoon-Uk Heo, "The role of austenite stability on the change of fracture mode in a dual-phase medium Mn steel having a lamellar microstructure", Materials Characterization, 16, 111264 (2021).
• T.T.T. Trang, Yoon-Uk Heo, "Effect of solution treatment temperature on microstructure evolution and tensile property of a medium Mn steel having a lamellar structure", Materials Science and Engineering: A 805, 140578 (2021).
• A. Zargaran, T.T.T. Trang, Gyeongbae Park, Nack J. Kim. "κ-Carbide assisted nucleation of B2: A novel pathway to develop high specific strength steels", Acta Materialia 220, 117349 (2021).
• J.H. Hwang, T.T.T.Trang, O.Lee, Gyeongbae Park, A. Zargaran, Nack J. Kim. "Improvement of strength–ductility balance of B2-strengthened lightweight steel", Acta Materialia 191, p. 1-12 (2020).
• Yunik Kwon, Ji Hyun Hwang, Hee Chae Choi, T.T.T. Trang, Byoungkoo Kim, A. Zargaran, Nack J. Kim. "Microstructure and Tensile Properties of Ferritic Lightweight Steel Produced by Twin-Roll Casting", Metals and Materials International 26, 75-82 (2020).
• Jae H Kim, Byeong-Chan Suh, TTT Trang, Ji Hyun Hwang, Nack J Kim. "Orientations of dynamically recrystallized grains nucleated at double twins in Mg-4Zn-1Sn alloy", Scripta Materialia 170, 11-15 (2019).
• T.T.T. Trang, J.H. Zhang, J.H. Kim, A. Zargaran, J.H. Hwang, B-C Suh, N.J. Kim. "Designing a magnesium alloy with high strength and high formability", Nature Communications 9, 2522 (2018).
• S. Van Petegem, J. Wagner, T. Panzner, M.V. Upadhyay, T.T.T. Trang, H. Van Swygenhoven, "In-situ neutron diffraction during biaxial deformation", Acta Materialia 105, 404-416 (2016).
• B Kim, T.T.T. Trang, N. J. Kim, "Deformation behavior of ferrite-austenite duplex high nitrogen steel", Metals and Materials International 20 (1), 35-39 (2014).

Awards

• 2021 한국현미경학회 춘계학술대회 우수발표상(대학원생부문), "Influence of austenite stability on fracture mode in a dual-phase lamellar medium Mn steel"