Kyushu University Academic Staff Educational and Research Activities Database
List of Presentations
Yuhei Ogawa Last modified date:2021.06.08

Assistant Professor / Hydrogen Utilization Engineering / Department of Mechanical Engineering / Faculty of Engineering


Presentations
1. Yuhei Ogawa, Osamu Takakuwa, Saburo Okazaki, Saburo Matsuoka, Hisao Matsunaga, Change of crack initiation and propagation modes in hydrogen-related failure of a precipitation-strengthened Ni-based superalloy 718 under internal and external hydrogen conditions, ASME 2019 Pressure Vessels & Piping Conference (PVP2019), 2019.07.
2. Kentaro Wada, Junichiro Yamabe, Yuhei Ogawa, Osamu Takakuwa, Takashi IIjima, Hisao Matsunaga, Fracture and Deformation Behavior in Slow-Strain-Rate Tensile Testing of Cu–Ni Alloy with Internal Hydrogen, ASME 2019 Pressure Vessels & Piping Conference (PVP2019), 2019.07.
3. Domas Birenis, Yuhei Ogawa, Hisao Matsunaga, Osamu Takakuwa, Junichiro Yamabe, Øystein Prytz, Annett Thøgersen, Hydrogen-Assisted Fatigue Crack Propagation in a Commercially Pure BCC Iron, ASME 2018 Pressure Vessels and Piping Conference (PVP2018), 2018.07.
4. Yuhei Ogawa, Dain Kim, Hisao Matsunaga, Saburo Matsuoka, Evaluation of the Compatibility of High-Strength Aluminum Alloy 7075-T6 to High-Pressure Gaseous Hydrogen Environments, ASME 2018 Pressure Vessels and Piping Conference (PVP2018), 2018.07.
5. Domas Birenis, Yuhei Ogawa, Hisao Matsunaga, Osamu Takakuwa, Junichiro Yamabe, Øystein Prytz, Annett Thøgersen, Hydrogen-assisted fatigue crack propagation in a pure BCC iron. Part II: Accelerated regime manifested by quasi-cleavage fracture at relatively high stress intensity range values, 12th International Fatigue Congress (FATIGUE 2018), 2018.05.
6. Yuhei Ogawa, Domas Birenis, Hisao Matsunaga, Osamu Takakuwa, Junichiro Yamabe, Øystein Prytz, Annett Thøgersen, Hydrogen-assisted fatigue crack propagation in a pure BCC iron. Part I: Intergranular crack propagation at relatively low stress intensities, 12th International Fatigue Congress (FATIGUE 2018), 2018.05.
7. Yuhei Ogawa, Interpretation of hydrogen-assisted fatigue crack propagation in a pure BCC iron based on crack tip plasticity evolution, HYDROGENIUS, I2CNER & HYDROMATE Joint Research Symposium, 2018.02.
8. Yuhei Ogawa, Junichiro Yamabe, Hisao Matsunaga, Saburo Matsuoka, Excellent resistance to hydrogen embrittlement of high-strength copper-based alloy, ASME 2017 Pressure Vessels and Piping Conference (PVP2017), 2017.07.
9. H. Matsunaga, S. Okazaki, J. Yamabe, Y. Ogawa, M. Yoshikawa, S. Matsuoka, Effect of Microstructure and Strength Level on Fatigue Life Properties of Low Alloy Steels in High-Pressure Hydrogen Gas, 2016 International Hydrogen Conference, 2016.09.
10. J. Yamabe, H. Suzuki, Y. Ogawa, H. Matsunaga, S. Matsuoka, Design and Life Prediction of Cr-Mo Steel Pressure Vessel for Next Generation Fuel-Cell Forklift Truck, 2016 International Hydrogen Conference, 2016.09.
11. Y. Ogawa, H. Matsunaga, J. Yamabe, M. Yoshikawa, S. Matsuoka, S-N properties and Fatigue Fracture Surfaces of Carbon Steel in 0.7 and 115 MPa Hydrogen Gas Environment, 2016 International Hydrogen Conference, 2016.09.
12. Yuhei Ogawa, Michio Yoshikawa, Hisao Matsunaga, Junichiro Yamabe, Saburo Matsuoka, Fatigue Life Properties and Anomalous Macroscopic Fatigue Fracture Surface of Low Carbon Steel JIS-SM490B in High-Pressure Hydrogen Gas Environment, ASME 2016 Pressure Vessels and Piping Conference (PVP2016), 2016.07.
13. Yuhei Ogawa, Michio Yoshikawa, Hisao Matsunaga, Junichiro Yamabe, Saburo Matsuoka, Anomalous fatigue fracture surface of carbon steel JIS-SM490B in 115 MPa hydrogen gas environment, SINTEF and NTNU Environmental Assisted Cracking (SNEAC) workshop, 2016.06.