Katsutoshi Takashima, Ruoyu Han, Ken’ichi Yokoyama, Yoshimasa Funakawa. Continuousness of interactions between hydrogen and plastic deformation of ultra-high strength steel sheet consisting of ferrite and nanometer-sized precipitates. Philosophical Magazine Letters. 2022. 102. 10. 324-334
Kaito Nakabachi, Ken’ichi Yokoyama. Inhibition of hydrogen absorption due to wear between Ni-Ti superelastic alloys in NaCl solution by H2O2 addition. Materials Letters. 2022. 324. 132701
Kaito Nakabachi, Ken’ichi Yokoyama. Hydrogen absorption due to wear between Ni-Ti superelastic alloys in water. Materials Letters. 2022. 318. 132205
Yasuhiro Ishijima, Ken’ichi Yokoyama, Fumiyoshi Ueno, Hitoshi Abe. Positron annihilation lifetime spectroscopy investigation of thermal aging effect for the mechanical properties of hydrogen-absorbed tantalum. Material Transactions. 2022. 63. 4. 592-599
Naoya Yamaguchi, Ken’ichi Yokoyama. Degradation caused by self-multiplication of damage induced by an interplay between hydrogen and the martensite transformation in a Ni-Ti superelastic alloy. Philosophical Magazine Letters. 2022. 102. 60-70
K Yokoyama, K Hamada, K Asaoka. Hydrogen embrittlement of Ni-Ti superelastic alloys. JOURNAL OF DENTAL RESEARCH. 2002. 81. A262-A262
K Yokoyama, H Ishikawa, M Nagumo. Effect of thermal cycles on toughness of heat affected zone of a Ti-killed steel. TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN. 1998. 84. 10. 740-746
K Yokoyama, H Ishikawa, M Nagumo. Role of microstructures on fracture toughness of heat affected zone of Ti-killed steel. TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN. 1997. 83. 12. 803-808
