Exceptional phase-transformation strengthening of ferrous medium-entropy alloys at cryogenic temperatures JW Bae, JB Seol, J Moon, SS Sohn, MJ Jang, HY Um, BJ Lee, HS Kim Acta Materialia 161, 388-399, 2018 | 221 | 2018 |
Microstructure evolution and mechanical properties of pure aluminum deformed by equal channel angular pressing and direct extrusion in one step through an integrated die MI Abd El Aal, HY Um, EY Yoon, HS Kim Materials Science and Engineering: A 625, 252-263, 2015 | 36 | 2015 |
The possibility of enhanced hydrogen embrittlement resistance of medium-Mn steels by addition of micro-alloying elements TM Park, HJ Kim, HY Um, NH Goo, J Han Materials Characterization 165, 110386, 2020 | 29 | 2020 |
Large deformation behavior of twin-induced plasticity steels under high-pressure torsion BH Park, HY Um, JG Kim, HY Jeong, S Lee, HS Kim Metals and Materials International 22, 1003-1008, 2016 | 29 | 2016 |
Hollow cone high-pressure torsion: Microstructure and tensile strength by unique severe plastic deformation HY Um, EY Yoon, DJ Lee, CS Lee, LJ Park, S Lee, HS Kim Scripta Materialia 71, 41-44, 2014 | 21 | 2014 |
Mechanical and biological behavior of ultrafine-grained Ti alloy aneurysm clip processed using high-pressure torsion HY Um, BH Park, DH Ahn, MIA El Aal, J Park, HS Kim Journal of the mechanical behavior of biomedical materials 68, 203-209, 2017 | 18 | 2017 |
Influence of high-pressure torsion and hot rolling on the microstructure and mechanical properties of aluminum–fullerene composites A Roh, HY Um, D Kim, S Nam, HS Kim, H Choi Journal of Materials Science 52, 11988-12000, 2017 | 12 | 2017 |
Quantitative study on yield point phenomenon of low carbon steels processed by compact endless casting and rolling JG Kim, HY Um, JY Kang, HJ Jeong, KH Choi, SH Lee, SY Kim, JS Chung, ... Materials Science and Engineering: A 734, 408-415, 2018 | 8 | 2018 |
Effect of Homogenization Treatment on the Microstructure and Mechanical Property Evolutions of As-Cast Al–Cu Alloy during High-Pressure Torsion MI Abd El Aal, HY Um, KH Choi, HS Kim Materials Transactions 55 (9), 1405-1413, 2014 | 4 | 2014 |
Circumferential shear strain in torsion-based severe plastic deformation HY Um, HJ Jeong, HY Kim, LJ Park, S Lee, HS Kim Scripta Materialia 82, 41-44, 2014 | 4 | 2014 |
Finite Element and Experimental Analyses on the Formability of Steel Sheets Produced by Compact Endless Cast and Rolling JW Bae, HY Um, SH Lee, BJ Min, SY Kim, JS Chung, KS Park, MH Seo, ... Metallurgical and Materials Transactions A 48, 1021-1032, 2017 | 3 | 2017 |
Torsional extreme-plastic processing method of conic metal pipe HS Kim, HY Um, EY Yoon, D Lee, S Lee US Patent 9,447,487, 2016 | 2 | 2016 |
Torsional severe plastic deformation method for metal bar, employing surface polishing to improve mechanical properties of metal bar HS Kim, JH Moon, HY Um, J YOON, B Seung-Mi US Patent App. 16/495,394, 2020 | 1 | 2020 |
Hot-dip galvannealed steel sheet with ultra-high strength and high formability, and manufacturing method therefor HY Um, NH Goo, MS Kim, GJ Oh US Patent App. 17/608,409, 2022 | | 2022 |
Steel sheet having high strength and high formability and method for manufacturing same GJ Oh, NH Goo, KS Shin, HY Um US Patent App. 17/608,377, 2022 | | 2022 |
Steel sheet having high strength and high formability and method for manufacturing same HY Um, NH Goo, MS Kim, GJ Oh US Patent App. 17/608,068, 2022 | | 2022 |
Localized torsional severe plastic deformation method for conical tube metals S Lee, SH Yang, P Lee-Ju, KIM Hak-Jun, HS Kim, LEE See-Am, HY Um US Patent 10,661,335, 2020 | | 2020 |
HC-HPT 및 CEM 공정으로 제작된 금속 소재의 기계적 성질 분석 엄호용 포항공과대학교, 2017 | | 2017 |