1. A mechanism behind hydrogen-assisted fatigue crack growth in ferrite-pearlite steel focusing on its behavior in gaseous environment at elevated temperature. (15th May 2020) Authors: Takakuwa, Osamu; Ogawa, Yuhei; Okazaki, Saburo; Nakamura, Masami; Matsunaga, Hisao Journal: Corrosion science Issue: Volume 168(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Defect tolerance and hydrogen susceptibility of the fatigue limit of an additively manufactured Ni-based superalloy 718. (October 2020) Authors: Kevinsanny, ; Okazaki, Saburo; Takakuwa, Osamu; Ogawa, Yuhei; Funakoshi, Yusuke; Kawashima, Hideto; Matsuoka, Saburo; Matsunaga, Hisao Journal: International journal of fatigue Issue: Volume 139(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Dynamic improvement of fatigue strength via local phase transformation in a circumferentially-notched austenitic stainless steel under fully-reversed loading condition. (February 2020) Authors: Nagaishi, Naoaki; Okazaki, Saburo; Ogawa, Yuhei; Matsunaga, Hisao Journal: Scripta materialia Issue: Number 176(2020) Page Start: 126 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Effect of defects on the fatigue limit of Ni‐based superalloy 718 with different grain sizes. Issue 5 (26th February 2019) Authors: Kevinsanny, ; Okazaki, Saburo; Takakuwa, Osamu; Ogawa, Yuhei; Okita, Koichi; Funakoshi, Yusuke; Yamabe, Junichiro; Matsuoka, Saburo; Matsunaga, Hisao Journal: Fatigue & fracture of engineering materials & structures Issue: Volume 42:Issue 5(2019) Page Start: 1203 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Evaluation of fatigue life and fatigue limit of circumferentially-notched Type 304 stainless steel in air and hydrogen gas based on crack-growth property and cyclic stress-strain response. (15th June 2019) Authors: Nagaishi, Naoaki; Yoshikawa, Michio; Okazaki, Saburo; Yamabe, Junichiro; Yoshida, Fusahito; Matsunaga, Hisao Journal: Engineering fracture mechanics Issue: Volume 215(2019) Page Start: 164 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Fatigue limit of circumferentially notched metastable austenitic stainless steel under positive/negative stress ratios: Synergistic effects of notch-root mechanistic singularity and phase transformation. (December 2022) Authors: Nagaishi, Naoaki; Ogawa, Yuhei; Okazaki, Saburo; Matsunaga, Hisao Journal: International journal of fatigue Issue: Volume 165(2022) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Fatigue limit of Ni-based superalloy 718 relative to the shear-mode crack-growth threshold: A quantitative evaluation considering the influence of crack-opening and -closing stresses. (July 2021) Authors: Tanaka, Yuya; Okazaki, Saburo; Ogawa, Yuhei; Endo, Masahiro; Matsunaga, Hisao Journal: International journal of fatigue Issue: Volume 148(2021) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. Hydrogen-assisted fatigue crack-propagation in a Ni-based superalloy 718, revealed via crack-path crystallography and deformation microstructures. (September 2020) Authors: Ogawa, Yuhei; Takakuwa, Osamu; Okazaki, Saburo; Funakoshi, Yusuke; Matsuoka, Saburo; Matsunaga, Hisao Journal: Corrosion science Issue: Volume 174(2020) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
9. Peculiar temperature dependence of hydrogen-enhanced fatigue crack growth of low-carbon steel in gaseous hydrogen. (September 2018) Authors: Matsuoka, Saburo; Takakuwa, Osamu; Okazaki, Saburo; Yoshikawa, Michio; Yamabe, Junichiro; Matsunaga, Hisao Journal: Scripta materialia Issue: Number 154(2018) Page Start: 101 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
10. Pronounced transition of crack initiation and propagation modes in the hydrogen-related failure of a Ni-based superalloy 718 under internal and external hydrogen conditions. (December 2019) Authors: Ogawa, Yuhei; Takakuwa, Osamu; Okazaki, Saburo; Okita, Koichi; Funakoshi, Yusuke; Matsunaga, Hisao; Matsuoka, Saburo Journal: Corrosion science Issue: Volume 161(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗