Challenging Ultra Grain Refinement of Ferrite in Low-C Steel Only by Heat Treatment

by Myeong-heom Park, Akinobu Shibata, Akinobu Shibata, Akinobu Shibata, Nobuhiro Tsuji, Nobuhiro Tsuji
Published 2020-11-01

Strain-dependence of deformation microstructures in ultra-low-C IF steel deformed to high strains by torsion at elevated temperatures

by Reza Gholizadeh, Daisuke Terada, Akinobu Shibata, Nobuhiro Tsuji
Published 2020-03-01

Deformation-assisted diffusion for the enhanced kinetics of dynamic phase transformation

by Lijia Zhao, Nokeun Park, Yanzhong Tian, Akinobu Shibata, Nobuhiro Tsuji
Published 2018-11-01

Novel thermomechanical processing methods for achieving ultragrain refinement of low-carbon steel without heavy plastic deformation

by Lijia Zhao, Nokeun Park, Yanzhong Tian, Shuai Chen, Akinobu Shibata, Nobuhiro Tsuji
Published 2017-01-01

Tensile Deformation of Ultrafine-Grained Fe-Mn-Al-Ni-C Alloy Studied by In Situ Synchrotron Radiation X-ray Diffraction

by Si Gao, Takuma Yoshimura, Wenqi Mao, Yu Bai, Wu Gong, Myeong-heom Park, Akinobu Shibata, Hiroki Adachi, Masugu Sato, Nobuhiro Tsuji
Published 2020-12-01

Unique transition of yielding mechanism and unexpected activation of deformation twinning in ultrafine grained Fe-31Mn-3Al-3Si alloy

by Yu Bai, Hiroki Kitamura, Si Gao, Yanzhong Tian, Nokeun Park, Myeong-heom Park, Hiroki Adachi, Akinobu Shibata, Masugu Sato, Mitsuhiro Murayama, Nobuhiro Tsuji
Published 2021-08-01