| Interpretation of hydrogen-assisted fatigue crack propagation in BCC iron based on dislocation structure evolution around the crack wake D Birenis, Y Ogawa, H Matsunaga, O Takakuwa, J Yamabe, Ø Prytz, ... Acta Materialia 156, 245-253, 2018 | 120 | 2018 |
| Multi-scale observation of hydrogen-induced, localized plastic deformation in fatigue-crack propagation in a pure iron Y Ogawa, D Birenis, H Matsunaga, A Thøgersen, Ø Prytz, O Takakuwa, ... Scripta Materialia 140, 13-17, 2017 | 88 | 2017 |
| Hydrogen, as an alloying element, enables a greater strength-ductility balance in an Fe-Cr-Ni-based, stable austenitic stainless steel Y Ogawa, H Hosoi, K Tsuzaki, T Redarce, O Takakuwa, H Matsunaga Acta Materialia 199, 181-192, 2020 | 76 | 2020 |
| The role of intergranular fracture on hydrogen-assisted fatigue crack propagation in pure iron at a low stress intensity range Y Ogawa, D Birenis, H Matsunaga, O Takakuwa, J Yamabe, Ø Prytz, ... Materials Science and Engineering: A 733, 316-328, 2018 | 75 | 2018 |
| Unified evaluation of hydrogen-induced crack growth in fatigue tests and fracture toughness tests of a carbon steel Y Ogawa, H Matsunaga, J Yamabe, M Yoshikawa, S Matsuoka International Journal of Fatigue 103, 223-233, 2017 | 70 | 2017 |
| The roles of internal and external hydrogen in the deformation and fracture processes at the fatigue crack tip zone of metastable austenitic stainless steels Y Ogawa, S Okazaki, O Takakuwa, H Matsunaga Scripta Materialia 157, 95-99, 2018 | 65 | 2018 |
| 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 Y Ogawa, O Takakuwa, S Okazaki, K Okita, Y Funakoshi, H Matsunaga, ... Corrosion Science 161, 108186, 2019 | 63 | 2019 |
| Comparative study of hydrogen-induced intergranular fracture behavior in Ni and Cu–Ni alloy at ambient and cryogenic temperatures K Wada, J Yamabe, Y Ogawa, O Takakuwa, T Iijima, H Matsunaga Materials Science and Engineering: A 766, 138349, 2019 | 49 | 2019 |
| Fatigue limit of carbon and CrMo steels as a small fatigue crack threshold in high-pressure hydrogen gas Y Ogawa, H Matsunaga, J Yamabe, M Yoshikawa, S Matsuoka International Journal of Hydrogen Energy 43 (43), 20133-20142, 2018 | 47 | 2018 |
| Dual roles of pearlite microstructure to interfere/facilitate gaseous hydrogen-assisted fatigue crack growth in plain carbon steels Y Ogawa, H Nishida, M Nakamura, V Olden, A Vinogradov, H Matsunaga International Journal of Fatigue 154, 106561, 2022 | 41 | 2022 |
| Hydrogen-assisted, intergranular, fatigue crack-growth in ferritic iron: Influences of hydrogen-gas pressure and temperature variation Y Ogawa, K Umakoshi, M Nakamura, O Takakuwa, H Matsunaga International Journal of Fatigue 140, 105806, 2020 | 41 | 2020 |
| Hydrogen-induced ductility loss of precipitation-strengthened Fe-Ni-Cr-based superalloy O Takakuwa, Y Ogawa, J Yamabe, H Matsunaga Materials Science and Engineering: A 739, 335-342, 2019 | 41 | 2019 |
| Effect of defects on the fatigue limit of Ni‐based superalloy 718 with different grain sizes Kevinsanny, S Okazaki, O Takakuwa, Y Ogawa, K Okita, Y Funakoshi, ... Fatigue & Fracture of Engineering Materials & Structures 42 (5), 1203-1213, 2019 | 38 | 2019 |
| Pearlite-driven surface-cracking and associated loss of tensile ductility in plain-carbon steels under exposure to high-pressure gaseous hydrogen Y Ogawa, M Hino, M Nakamura, H Matsunaga International Journal of Hydrogen Energy 46 (9), 6945-6959, 2021 | 37 | 2021 |
| Defect tolerance and hydrogen susceptibility of the fatigue limit of an additively manufactured Ni-based superalloy 718 S Okazaki, O Takakuwa, Y Ogawa, Y Funakoshi, H Kawashima, ... International Journal of Fatigue 139, 105740, 2020 | 37 | 2020 |
| Hydrogen-assisted fatigue crack-propagation in a Ni-based superalloy 718, revealed via crack-path crystallography and deformation microstructures Y Ogawa, O Takakuwa, S Okazaki, Y Funakoshi, S Matsuoka, ... Corrosion Science 174, 108814, 2020 | 36 | 2020 |
| Hydrogen-assisted crack propagation in α-iron during elasto-plastic fracture toughness tests D Birenis, Y Ogawa, H Matsunaga, O Takakuwa, J Yamabe, Ø Prytz, ... Materials Science and Engineering: A 756, 396-404, 2019 | 33 | 2019 |
| Criteria for hydrogen-assisted crack initiation in Ni-based superalloy 718 Y Ogawa, K Noguchi, O Takakuwa Acta Materialia 229, 117789, 2022 | 32 | 2022 |
| Material performance of age-hardened beryllium–copper alloy, CDA-C17200, in a high-pressure, gaseous hydrogen environment Y Ogawa, J Yamabe, H Matsunaga, S Matsuoka International Journal of Hydrogen Energy 42 (26), 16887-16900, 2017 | 31 | 2017 |
| A mechanism behind hydrogen-assisted fatigue crack growth in ferrite-pearlite steel focusing on its behavior in gaseous environment at elevated temperature O Takakuwa, Y Ogawa, S Okazaki, M Nakamura, H Matsunaga Corrosion Science 168, 108558, 2020 | 30 | 2020 |
Osamu TakakuwaKyushu UniversityCorreu electrònic verificat a m.kyushu-u.ac.jp