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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.

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

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Research Output 1994 2020

austenitic stainless steels
notches
Austenitic stainless steel
phase transformations
Phase transitions

Change of crack initiation and propagation modes in hydrogenrelated failure of a precipitation-strengthened NI-based superalloy 718 under internal and external hydrogen conditions

Ogawa, Y., Takakuwa, O., Okazaki, S., Matsuoka, S. & Matsunaga, H., Jan 1 2019, Materials and Fabrication. American Society of Mechanical Engineers (ASME), (American Society of Mechanical Engineers, Pressure Vessels and Piping Division (Publication) PVP; vol. 6B-2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Superalloys
Crack initiation
Crack propagation
Hydrogen
Ductility
1 Citation (Scopus)

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

cryogenic temperature
Cryogenics
ambient temperature
Hydrogen
hydrogen embrittlement
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
1 Citation (Scopus)

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