Saburo Okazaki

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

Yuhei Ogawa, Osamu Takakuwa, Saburo Okazaki et al. · Corrosion Science · 2019 · 76 citations

Engineering, Materials Engineering, Materials Science +17

The roles of internal and external hydrogen in the deformation and fracture processes at the fatigue crack tip zone of metastable austenitic stainless steels

Yuhei Ogawa, Saburo Okazaki, Osamu Takakuwa et al. · Scripta Materialia · 2018 · 73 citations

Engineering, Materials Engineering, Materials Science +17

Hydrogen-assisted fatigue crack-propagation in a Ni-based superalloy 718, revealed via crack-path crystallography and deformation microstructures

Yuhei Ogawa, Osamu Takakuwa, Saburo Okazaki et al. · Corrosion Science · 2020 · 52 citations

Engineering, Materials Engineering, Materials Science +17

Effect of defects on the fatigue limit of Ni‐based superalloy 718 with different grain sizes

Kevinsanny, Saburo Okazaki, Osamu Takakuwa et al. · Fatigue & Fracture of Engineering Materials & Structures · 2019 · 41 citations · Full text

Natural Sciences, Materials Engineering, Materials Science +17

Defect tolerance and hydrogen susceptibility of the fatigue limit of an additively manufactured Ni-based superalloy 718

Kevinsanny, Saburo Okazaki, Osamu Takakuwa et al. · International Journal of Fatigue · 2020 · 41 citations · Full text

Engineering, Materials Engineering, Materials Science +17