Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Michio Yoshikawa"'
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 80, Iss 817, Pp SMM0254-SMM0254 (2014)
In order to investigate the effects of hydrogen gas pressure pH2 and test frequency f on the fatigue crack growth (FCG) properties of low carbon steel in hydrogen gas atmosphere, the FCG tests using compact tension specimens were conducted under vari
Externí odkaz:
https://doaj.org/article/a501d54d2e4e4cf5ab023af4bc7dd929
Autor:
Michio Yoshikawa, Naoaki Nagaishi, Hisao Matsunaga, Junichiro Yamabe, Fusahito Yoshida, Saburo Okazaki
Publikováno v:
Engineering Fracture Mechanics. 215:164-177
Fatigue tests were performed using circumferentially-notched, round bar specimens with a stress concentration factor, Kt, of 6.6 for Type 304, metastable, austenitic stainless steel. The tests were carried out in ambient air and in 0.7 MPa hydrogen g
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab910e20b7c7b0b5138d8a67bdc6987d
https://doi.org/10.1016/j.engfracmech.2019.05.005
https://doi.org/10.1016/j.engfracmech.2019.05.005
Publikováno v:
International Journal of Hydrogen Energy. 43:20133-20142
The fatigue limit properties of a carbon steel and a low-alloy Cr Mo steel were investigated via fully-reversed tension-compression tests, using smooth specimens in air and in 115-MPa hydrogen gas. With respect to the Cr Mo steel, specimens with shar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9a165d362e8fdd2a1f551241dacacbc
https://doi.org/10.1016/j.ijhydene.2018.09.026
https://doi.org/10.1016/j.ijhydene.2018.09.026
Autor:
Michio Yoshikawa, Saburo Matsuoka, Hisao Matsunaga, Junichiro Yamabe, Saburo Okazaki, Osamu Takakuwa
Publikováno v:
Scripta Materialia. 154:101-105
The peculiar temperature dependence of hydrogen-enhanced fatigue crack growth (HEFCG) of low-carbon steel in hydrogen gas was successfully interpreted in terms of ‘trap-site occupancy’ of hydrogen. HEFCG decreased with increasing temperature in h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4addda5ba1ce05f98d905cbb1930692c
https://doi.org/10.1016/j.scriptamat.2018.05.035
https://doi.org/10.1016/j.scriptamat.2018.05.035
Publikováno v:
International Journal of Fatigue. 103:223-233
To investigate the effect of hydrogen on fatigue life characteristics and crack growth behaviors through the entire fatigue life of a carbon steel, tension-compression fatigue tests and elasto-plastic fracture toughness tests were conducted in a hydr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59e378a43290641e9745a45a479d1578
https://doi.org/10.1016/j.ijfatigue.2017.06.006
https://doi.org/10.1016/j.ijfatigue.2017.06.006
Publikováno v:
International Journal of Fatigue. 102:202-213
Fatigue crack growth (FCG) tests for compact-tension specimens of low-carbon steel were performed under various combinations of hydrogen pressures (0.1–90 MPa), test frequencies (0.001–10 Hz), and test temperatures (room temperature, 363 K, and 4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66b004696a4ef0bbcf90ce3aeb8404ba
https://doi.org/10.1016/j.ijfatigue.2017.04.010
https://doi.org/10.1016/j.ijfatigue.2017.04.010
Autor:
Michio Yoshikawa, Saburo Matsuoka, Naoaki Nagaishi, Junichiro Yamabe, Hisao Matsunaga, Saburo Okazaki
Publikováno v:
Volume 6B: Materials and Fabrication.
Fatigue tests were performed using three types of round-bar specimens of Type 304, meta-stable, austenitic stainless steel. The specimens had circumferential notch with stress concentration factors, Kt, of 2, 3 or 6.6. Load controlled fatigue tests w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8ab26d65fb771e272986910c9c2c485
https://doi.org/10.1115/pvp2018-84420
https://doi.org/10.1115/pvp2018-84420
Autor:
Osamu Takakuwa, Saburo Matsuoka, Hisao Matsunaga, Saburo Okazaki, Junichiro Yamabe, Michio Yoshikawa
Publikováno v:
Scopus-Elsevier
In order to elucidate the temperature dependence of hydrogen-enhanced fatigue crack growth (FCG), the FCG test was performed on low-alloy Cr-Mo steel JIS-SCM435 according to ASTM E647 using compact tension (CT) specimen under 0.1–95 MPa hydrogen-ga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e430d7615108488adc7db9c75d62fad
https://doi.org/10.1115/pvp2018-84438
https://doi.org/10.1115/pvp2018-84438
Publikováno v:
International Journal of Hydrogen Energy. 40:5739-5748
Slow strain rate tensile (SSRT) tests were performed using smooth specimens of two types of steels, the Cr–Mo steel, JIS-SCM435, which has a tempered, martensitic microstructure, and the carbon steel, JIS-SM490B, which has a ferrite/pearlite micros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e5a286bf286e2d6c757bd5ecaacbb0d
https://doi.org/10.1016/j.ijhydene.2015.02.098
https://doi.org/10.1016/j.ijhydene.2015.02.098
Autor:
Yoshiyuki Furuya, Saburo Matsuoka, Hisao Matsunaga, Michio Yoshikawa, Junichiro Yamabe, Hisatake Itoga, Etsuo Takeuchi, Shigeru Hamada
Publikováno v:
International Journal of Hydrogen Energy. 40:719-728
To clarify the usefulness of the safety factor multiplier method for Cr–Mo steel in the CHMC1-2014 standard for hydrogen-service components, slow-strain-rate tests of smooth and notched specimens and fatigue tests of notched specimens were performe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::333f7ff54691b5c2ff79fa00c08ed1ed
https://doi.org/10.1016/j.ijhydene.2014.10.114
https://doi.org/10.1016/j.ijhydene.2014.10.114