Al-Zn-Mg alloys with different precipitate sizes were investigated to determine the influence of the precipitate size on the flow stress and dislocation density change during tensile deformation. The dislocation density was measured using in-situ ...
Sukyoung Hwang Park Myeong-Heom Yu Bai Akinobu Shibata Hiroki Adachi Masugu Sato Nobuhiro Tsuji
International Symposium on New Developments in Advanced High-Strength Sheet Steels, AHSS 2023 119-124 2023年6月 [査読有り]
22Mn-0.6C (wt. %) high-Mn austenitic steel having fully recrystallized microstructure was obtained through 4 cycles of repeated cold-rolling and annealing process. Mechanical properties were evaluated by tensile test at an initial strain rate of 8...
Avala Lavakumar Myeong heom Park Sukyoung Hwang Hiroki Adachi Masugu Sato Ranjit Kumar Ray Mitsuhiro Murayama Nobuhiro Tsuji
Materials Science and Engineering A 874 145089 2023年5月 [査読有り]
Deformation-induced martensitic transformation is a key phenomenon to manage both high strength and large ductility in low alloy multi-phase steels. Significant enhancement of strain hardening ability could be achieved by the phase transformation ...
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工学研究科