Research field (3)：
Manufacturing and production engineering
, Composite materials and interfaces
, Machine materials and mechanics
Research theme for competitive and other funds (5)：
2021 - 2025 超高サイクル疲労における内部起点型破壊評価手法の確立
2019 - 2023 Substantiative research on the repeating contact model for the formation mechanism of granular region in subsurface fracture
2018 - 2022 Elucidation of the mechanism of very high cycle fatigue and the development of its evaluation method based on synchrotron radiation micro/nano- CT
2012 - 2015 Visualization of interior originating small cracks in high strength titanium alloy and the clarification of very high cycle fatigue mechanisms
2011 - 2012 Unified understanding of the formation of unique fracture surface region in vacuum environment
Papers (59)：
Hiroyuki Oguma, Kimiyoshi Naito. Effects of mean stress on the fatigue properties of core-in-sheath-type carbon/glass hybrid thermoplastic composite rods: Experimental investigation and practical predictive method. Fatigue & Fracture of Engineering Materials & Structures. 2024
Takashi Nakamura, Tatsuo Sakai, Yoshinobu Shimamura, Hiroyuki Oguma. Guest editorial of virtual special issue: The eighth international conference on very high cycle fatigue (VHCF8), held online from July 5 to 9, 2021, and distributed from Sapporo, Japan. Fatigue & Fracture of Engineering Materials & Structures. 2024
Gaoge Xue, Takashi Nakamura, Nao Fujimura, Kosuke Takahashi, Hiroyuki Oguma, Akihisa Takeuchi, Masayuki Uesugi, Kentaro Uesugi. Full-life growth behavior of a naturally initiated internal fatigue crack in beta titanium alloy via in situ synchrotron radiation multiscale tomography. International Journal of Fatigue. 2023. 170. 107571-107571
Yuki Ogawa, Kimiyoshi Naito, Keisuke Harada, Hiroyuki Oguma. Proposal of Evaluation Method for Crack Propagation Behaviors of Second-Generation Acrylic Adhesives under Mode I Static Loading. Polymers. 2023. 15. 8. 1878-1878
Fumiyoshi Yoshinaka, Takashi Nakamura, Hiroyuki Oguma, Nao Fujimura, Akihisa Takeuchi, Masayuki Uesugi, Kentaro Uesugi. Characterization of internal fatigue crack initiation in Ti-6Al-4V alloy via synchrotron radiation X-ray computed tomography. Fatigue & Fracture of Engineering Materials & Structures. 2023
Effect of adhesive thickness on the fatigue properties of bonded single-lap joints: in case of CFRP and polyurethane adhesive
(5th International Conference on Structural Adhesive bonding (AB2019) 2019)
Shear properties of discontinuous long carbon fiber reinforced thermoplastic composite
(5th International Conference on Mechanics of Composites 2019)
Mechanical properties of lap shear joint boned with two-part epoxy adhesive
(EURADH 2018 and CLBA 2018 2018)
Tensile Properties of Novel Composite Ropes
(4th Brazilian Conference on Composite Materials (BCCM4) 2018)
