Tomoyuki Hakoyama, Koki Kato, Kazumasa Aoyama, Nobuhiko Ibaraki, Zhigang Wang. Improvement of a Testing Method of Cold Forging Performance of Steel Wires. Lecture Notes in Mechanical Engineering. 2024. 719-727
Tomoyuki Hakoyama, Hibiki Kojima, Souma Hibino, Ryo Yoshitake, Zhigang Wang. Shear Forging for Aluminum and Copper Materials. Lecture Notes in Mechanical Engineering. 2024. 56-63
Tomoyuki Hakoyama, Kenta Jo, Yasuharu Yoshikawa, Zhigang Wang. Deformation Behavior of Tool and Workpiece in Plate Compression. Lecture Notes in Mechanical Engineering. 2024. 80-87
Z. G. Wang, T. Hakoyama, T. Yaguchi, Y. Nakamura, S. Komiyama. What happens at the interface between tool and workpiece with extremely expanded surface during cold forging. CIRP Annals. 2023. 72. 1. 251-254
Kodai Murasawa, Kota Ueno, Yoshinori Kusuda, Masato Takamura, Takayuki Hama, Tomoyuki Hakoyama, Shinsuke Suzuki. Prediction of the Stress Decreasing Behavior in the Early Stage of Stress Relaxation in Steel Sheet. ISIJ International. 2022. 62. 5. 1004-1012