Zobrazeno 1 - 10
of 181
pro vyhledávání: '"Shigeru HAMADA"'
Autor:
Saburo MATSUOKA, Takashi IIJIMA, Hirotoshi ENOKI, Satoko YOSHIDA, Shigeru HAMADA, Hisao MATSUNAGA, Junichiro YAMABE
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 86, Iss 882, Pp 19-00350-19-00350 (2020)
The fracture toughness and toughening mechanism of six aluminum alloys, 5083-O, 6061-T6, 6066-T6, 7N01-T5, 7N01-T6 and 7075-T6, were examined in air and 115 MPa hydrogen gas. In both the environments, tentative fracture toughness, KQ, was about twice
Externí odkaz:
https://doaj.org/article/ae70815579a4413d9ce47a84f9b54fd7
Autor:
Saburo MATSUOKA, Satoko YOSHIDA, Takashi IIJIMA, Shigeru HAMADA, Hisao MATSUNAGA, Junichiro YAMABE
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 872, Pp 18-00415-18-00415 (2019)
In order to clarify the effect of hydrogen-gas pressure on threshold of hydrogen-induced crack growth (KI,H), elasto-plastic fracture toughness tests were performed on JIS-SM490B carbon steel, JIS-SCM435 low-alloy steel and JIS-SUS304 stainless steel
Externí odkaz:
https://doaj.org/article/1d987bbf4ece4c39b663fb5bd5c7579c
Autor:
Saburo MATSUOKA, Shigeru HAMADA, Satoko YOSHIDA, Takashi IIJIMA, Hisao MATSUNAGA, Junichiro YAMABE
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 857, Pp 17-00385-17-00385 (2017)
In order to investigate the suitable test methods for determining threshold of hydrogen-induced crack growth, KI,H, JIc, none-unloading JIc, constant-load and constant-displacement tests were conducted in 115 MPa hydrogen gas at room temperature, usi
Externí odkaz:
https://doaj.org/article/f9fa5b694d64493a87c37429050a4d40
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 83, Iss 854, Pp 17-00264-17-00264 (2017)
Considering in design by analysis, four types of tests, slow-strain-rate tensile (SSRT), fatigue life, fatigue crack-growth (FCG), and elasto-plastic fracture toughness (JIC) tests, were conducted with low-alloy steels, JIS-SCM435 and JIS-SNCM439, in
Externí odkaz:
https://doaj.org/article/61d94e2b9e334c278ac8f13854a89a8a
Autor:
Saburo MATSUOKA, Shigeru HAMADA, Hisatake ITOGA, Masami NAKAMURA, Saburo OKAZAKI, Hisao MATSUNAGA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 83, Iss 848, Pp 16-00459-16-00459 (2017)
The case study on cooling pipe of pre-cooler, which had been used on a verification test of 70 MPa hydrogen station, was carried out. Cooling pipe consisted of main pipe, mechanical joint pipe and mechanical joint. Main pipe and mechanical joint pipe
Externí odkaz:
https://doaj.org/article/098a1d49ad24425284a22bd11927b5f4
Autor:
Saburo MATSUOKA, Toyoyuki SATO, Norikazu YAMAGUCHI, Shigeru HAMADA, Masami NAKAMURA, Hisao MATSUNAGA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 82, Iss 839, Pp 16-00109-16-00109 (2016)
In order to study the hydrogen embrittlement behavior of austenitic stainless steel weld metals, slow strain rate tensile (SSRT) tests were performed in 106 MPa hydrogen gas at -45 °C. Tensile specimens, in which whole of the gauge section consists
Externí odkaz:
https://doaj.org/article/121c9f61195c450f99d38ca30494edfc
Publikováno v:
Fatigue & Fracture of Engineering Materials & Structures. 45:3137-3153
Autor:
Wan Jia Li, Shigeru Hamada
Publikováno v:
Solid State Phenomena. 335:87-92
The crystal plasticity finite element method (CPFEM) has emerged as an important method for studying materials on a mesoscopic scale. However, a significant obstacle to the application of CPFEM is the numerous material parameters associated with it.
Publikováno v:
Fatigue & Fracture of Engineering Materials & Structures. 45:1406-1420
Publikováno v:
INTERNATIONAL CONFERENCE ON BIOMEDICAL ENGINEERING (ICoBE 2021).