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Yuhei Ogawa

Kyushu University

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Publication

Featured researches published by Yuhei Ogawa.

Scripta Materialia | 2017

Multi-scale observation of hydrogen-induced, localized plastic deformation in fatigue-crack propagation in a pure iron

Yuhei Ogawa; Domas Birenis; Hisao Matsunaga; Annett Thøgersen; Øystein Prytz; Osamu Takakuwa; Junichiro Yamabe

International Journal of Fatigue | 2017

Unified evaluation of hydrogen-induced crack growth in fatigue tests and fracture toughness tests of a carbon steel

Yuhei Ogawa; Hisao Matsunaga; Junichiro Yamabe; Michio Yoshikawa; Saburo Matsuoka

Acta Materialia | 2018

Interpretation of hydrogen-assisted fatigue crack propagation in BCC iron based on dislocation structure evolution around the crack wake

Domas Birenis; Yuhei Ogawa; Hisao Matsunaga; Osamu Takakuwa; Junichiro Yamabe; Øystein Prytz; Annett Thøgersen

Scripta Materialia | 2018

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; Hisao Matsunaga

Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2019

Hydrogen-induced ductility loss of precipitation-strengthened Fe-Ni-Cr-based superalloy

Osamu Takakuwa; Yuhei Ogawa; Junichiro Yamabe; Hisao Matsunaga

Volume 6B: Materials and Fabrication | 2018

Evaluation of the Compatibility of High-Strength Aluminum Alloy 7075-T6 to High-Pressure Gaseous Hydrogen Environments

Yuhei Ogawa; Dain Kim; Hisao Matsunaga; Saburo Matsuoka

Volume 6B: Materials and Fabrication | 2018

Hydrogen-Assisted Fatigue Crack Propagation in a Commercially Pure BCC Iron

Domas Birenis; Yuhei Ogawa; Hisao Matsunaga; Osamu Takakuwa; Junichiro Yamabe; Øystein Prytz; Annett Thøgersen

The Proceedings of Conference of Kyushu Branch | 2018

Interpretation of hydrogen-assisted fatigue crack acceleration in a pure iron based on crack tip microstructure evolution

Yuhei Ogawa; Domas Birenis; Hisao Matsunaga; Osamu Takakuwa; Junichiro Yamabe

Materials Science and Engineering A-structural Materials Properties Microstructure and Processing | 2018

The role of intergranular fracture on hydrogen-assisted fatigue crack propagation in pure iron at a low stress intensity range

Yuhei Ogawa; Domas Birenis; Hisao Matsunaga; Osamu Takakuwa; Junichiro Yamabe; Øystein Prytz; Annett Thøgersen

International Journal of Hydrogen Energy | 2018

Fatigue limit of carbon and CrMo steels as a small fatigue crack threshold in high-pressure hydrogen gas

Yuhei Ogawa; Hisao Matsunaga; Junichiro Yamabe; Michio Yoshikawa; Saburo Matsuoka

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Hisao Matsunaga

Kyushu University

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Junichiro Yamabe

Kyushu University

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Osamu Takakuwa

Kyushu University

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Saburo Matsuoka

Kyushu University

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Domas Birenis

University of Oslo

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Annett Thøgersen

SINTEF

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Øystein Prytz

University of Oslo

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Michio Yoshikawa

Kyushu University

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Dain Kim

University of Tokyo

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Masaki Takahashi

Kyushu University

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