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Fingerprint Dive into the research topics where Hisao Matsunaga is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 20 Similar Profiles
Hydrogen Engineering & Materials Science
Fatigue crack propagation Engineering & Materials Science
Fatigue of materials Engineering & Materials Science
Bearings (structural) Engineering & Materials Science
Steel Chemical Compounds
Cracks Engineering & Materials Science
Austenitic stainless steel Engineering & Materials Science
cracks Physics & Astronomy

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Research Output 1994 2019

Comparative study of hydrogen-induced intergranular fracture behavior in Ni and Cu–Ni alloy at ambient and cryogenic temperatures

Wada, K., Yamabe, J., Ogawa, Y., Takakuwa, O., Iijima, T. & Matsunaga, H., Oct 24 2019, In : Materials Science and Engineering A. 766, 138349.

Research output: Contribution to journalArticle

hydrogen embrittlement
Hydrogen embrittlement
copper alloys
fracture mechanics
Copper alloys
1 Citation (Scopus)

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

Kevinsanny, Okazaki, S., Takakuwa, O., Ogawa, Y., Okita, K., Funakoshi, Y., Yamabe, J., Matsuoka, S. & Matsunaga, H., May 1 2019, In : Fatigue and Fracture of Engineering Materials and Structures. 42, 5, p. 1203-1213 11 p.

Research output: Contribution to journalArticle

Superalloys
Fatigue of materials
Defects
Cracks
Microstructure

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

Nagaishi, N., Yoshikawa, M., Okazaki, S., Yamabe, J., Yoshida, F. & Matsunaga, H., Jun 15 2019, In : Engineering Fracture Mechanics. 215, p. 164-177 14 p.

Research output: Contribution to journalArticle

Stainless Steel
Hydrogen
Crack propagation
Stainless steel
Gases

Hydrogen-assisted crack propagation in α-iron during elasto-plastic fracture toughness tests

Birenis, D., Ogawa, Y., Matsunaga, H., Takakuwa, O., Yamabe, J., Prytz, Ø. & Thøgersen, A., May 22 2019, In : Materials Science and Engineering A. 756, p. 396-404 9 p.

Research output: Contribution to journalArticle

crack propagation
fracture strength
Fracture toughness
Hydrogen
Crack propagation
2 Citations (Scopus)

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

Takakuwa, O., Ogawa, Y., Yamabe, J. & Matsunaga, H., Jan 2 2019, In : Materials Science and Engineering A. 739, p. 335-342 8 p.

Research output: Contribution to journalArticle

heat resistant alloys
ductility
Superalloys
Ductility
Hydrogen