High-density nanoprecipitates and phase reversion via maraging enable ultrastrong yet strain-hardenable medium-entropy alloy Hyeonseok Kwon, Praveen Sathiyamoorthi**, Manogna Karthik Gangaraju**, Alireza Zargaran, Jaemin Wang, Yoon-Uk Heo, Stefanus Harjo, Wu Gong, Byeong-Joo Lee, Hyoung Seop Kim*

Acta Materialia, 248, 118810, published

The role of sulfide growth on the segregation behavior of sulfur at the grain boundary in a high‑nickel steel Seonguk Huh, Yoon-Uk Heo*, Jae Sang Lee, Chang-Hee Yim

Materials Characterization, 112845, published

Cryogenic tensile behavior of laser additive manufactured CoCrFeMnNi high entropy alloys Eun Seong Kim, K.R. Ramkumar*, G.M. Karthik*, Sang Guk Jeong, Soung Yeoul Ahn, Praveen Sathiyamoorthi, Hyojin Park, Yoon-Uk Heo, Hyoung SeopKim*

Journal of Alloys and Compounds, 942 (5), 169062, 2023, published

Extraordinary combination of strength and ductility in an additively manufactured Fe-based medium entropy alloy through in situ formed η-nanoprecipitate and heterogeneous microstructure Farahnaz Haftlang, Eun Seong Kim, Jihye Kwon, Yoon-Uk Heo*, Hyoung Seop Kim**

Additive Manufacturing, 63, 103421, published

EPMA quantifcation on the chemical composition of retained austenite in a Fe-Mn-Si-C-based multi-phase steel Yoon‑Uk Heo* , Chang‑Gon Jeong , Soo‑Hyun Kim , Gun‑Young Yoon , T. T. T. Trang , Youngyun Woo , Eun Yoo Yoon, Young‑Seon Lee

Applied Microscopy, 52(14), 2022, published

Synergy of tensile strength-ductility in IN718/CoCrFeMnNi/IN718 multi-material processed by powder high-pressure torsion and annealing Gang hee Gu, Yoon-Uk Heo, Hyeonseok Kwon, Soung Yeoul Ahn, Sujung Son, Peyman Asghari-Rad, Hyoung Seop Kim*

Scripta Materialia, 225, 115167, published

Mechanically derived short-range order and its impact on the multi-principal-element alloys Jae Bok Seol*, Won-Seok Ko, Seok Su Sohn, Min Young Na, Hye Jung Chang, Yoon-Uk Heo, Jung Gi Kim, Hyokyung Sung, Zhiming Li, Elena Pereloma & Hyoung Seop Kim*

Nature Communications, 13, 6766, published

Unveiling the Self-Annealing Phenomenon and Texture Evolution in Room-Temperature-Rolled Cu-Fe-P Alloy Sheets Aman Gupta, Lalit Kaushik, Tae-Hyeon Yoo, Jin Woo Lee, Young-Kil Kim, Dongwon Lee, Yoon-Uk Heo**, Shi-Hoon Choi*

International Journal of Plasticity, 159, 103473, published

Enhanced phosphatability by decorating ferrite layer on the surface of a multi-phase steel Dong-Hyun Kim, Joongchul Park, Jae-Dong Joe, Yonggyun Jung, Yonkyun Song, Jae-Sang Lee, Yoon-Uk Heo*

Materials Characterization, 194, 112373, published

Diffusionless α′ to γ transformation and its effect on hot ductility in a high-nickel steel Seonguk Huh, Sang-Hum Kwon, Jae-Sang Lee, Jun-Yun Kang, Yoon-Uk Heo*, Chang-Hee Yim*

Materials Science and Engineering: A, 143865, published

Effect of Reheating Temperatures on Hot Ductility and Precipitation Behavior of Low-Carbon Steels Fazlollah Sadeghi,Tahereh Zargar,Muhamad Rasyad Arkan Lahino,Hyeju Kim,Sang-Hum Kwon,Yoon-Uk Heo*,Jae Sang Lee,Chang Hee Yim*

Steel research international, 2200315, published

Effect of amorphous carbon film on the phosphate formation in a multi-phase steel Dong-Hyun Kim, Joong Chul Park, Jae-Dong Joe, Yonggyun Jung, Yonkyun Song, Jae-Sang Lee, Yoon-Uk Heo*

Materials today communications, 32, 104156, published

Nanosized Lamellar Structures and Tensile Properties of Intercritical-Annealed Medium Mn Steels Containing Multiphases T.T.T. Trang, Chang-Gon Jeong, Dongwon Lee, Yoon-Uk Heo*

Steel research international, 2200233, published

AlN-assisted internal oxidation behavior in Al-containing high Mn steels Dongwon Lee, Heo Yoon-Uk*, Jae Sang Lee, Won-Tae Cho, Unhae Lee, Myeong-Hun Kang, Chang Hee Yim

Materials Characterization, 189, 111967, published

Improved hot ductility of an as-cast high Mn TWIP steel by direct implementation of an MnS-containing master alloy T.T.T. Trang, Soo-Yeon Lee, Yoon-Uk Heo*, Myeong-Hun Kang, Dong-Ho Lee, Jae Sang Lee, Chang Hee Yim

Scripta Materialia, 215, 114685, published