Hiroshi Kakinuma, Sachiko Hiromoto, Tomohiko Hojo, Saya Ajito, Motomichi Koyama, Eiji Akiyama. Mechanism of local hydrogen entry into Fe sheets induced by atmospheric corrosion: Significance of potential, pH, and rust layer thickness. Corrosion Science. 2024. 232. 112043-112043
Motomichi Koyama, Takayuki Yamashita, Satoshi Morooka, Zhipeng Yang, Rama Srinivas Varanasi, Tomohiko Hojo, Takuro Kawasaki, Stefanus Harjo. Hierarchical Deformation Heterogeneity during Lüders Band Propagation in an Fe-5Mn-0.1C Medium Mn Steel Clarified through in situ Scanning Electron Microscopy. Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 2024. 110. 3. 205-216
Yutao Zhou, Zhipeng Yang, Motomichi Koyama, Saya Ajito, Tomohiko Hojo, Hiroshi Fudouzi, Eiji Akiyama. Quantitative Evaluation of the Relationship between Strain and Color Change in Opal Photonic Crystal Films and Application into Complex Specimen Geometries. Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 2024. 110. 3. 311-320
Tomohiko Hojo, Motomichi Koyama, Bakuya Kumai, Yutao Zhou, Yuki Shibayama, Ayumi Shiro, Takahisa Shobu, Hiroyuki Saitoh, Saya Ajito, Eiji Akiyama. Stress and Plastic Strain Partitioning Behaviors and Those Contributions to Martensitic Transformation of Retained Austenite in Medium Manganese and Transformation- Induced Plasticity-Aided Bainitic Ferrite Steels. Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 2024. 110. 3. 227-240
Hiroshi Kakinuma, Saya Ajito, Tomohiko Hojo, Motomichi Koyama, Eiji Akiyama. In situ visualization of misorientation-dependent hydrogen diffusion at grain boundaries of pure polycrystalline Ni using a hydrogen video imaging system. Acta Materialia. 2023. 119536-119536