Zobrazeno 1 - 10
of 362
pro vyhledávání: '"Saburo MATSUOKA"'
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 897, Pp 21-00084-21-00084 (2021)
In order to investigate the effects of external and internal hydrogen on fatigue crack growth (FCG) properties of austenitic stainless steels SUS304, SUS316 and SUS316L, two series of tests were conducted. As the external hydrogen series test, ΔK-in
Externí odkaz:
https://doaj.org/article/f5a85b3f39264edb80d3cf31c3f85fbb
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 895, Pp 20-00439-20-00439 (2021)
In order to clarify the effect of internal hydrogen on the fatigue life properties of SUS304, SUS316 and SUS316L, tensile tests and low- and high-cycle fatigue life tests were carried out in air at room temperature using 10, 68 and 100 MPa hydrogen-c
Externí odkaz:
https://doaj.org/article/6d58538a33414ca0876c0f0acf547fc0
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 86, Iss 892, Pp 20-00306-20-00306 (2020)
In order to investigate the effect of hydrogen on Slow Strain Rate Tensile (SSRT) test of austenitic stainless steels, SUS304, SUS316 and SUS316L, two types of SSRT tests were conducted. One is the external hydrogen SSRT test that was conducted in hy
Externí odkaz:
https://doaj.org/article/808efa7b88dd46c48700abf6de34f484
Autor:
Saburo MATSUOKA, Osamu TAKAKUWA, Saburo OKAZAKI, Satoko YOSHIDA, Junichiro YAMABE, Hisao MATSUNAGA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 86, Iss 888, Pp 20-00172-20-00172 (2020)
A binding energy, EB, and the number of trap sites, NX, of hydrogen trapped in cold-rolled austenitic stainless and quenched-tempered low alloy steels exposed in high-pressure hydrogen gas were determined from a linear relationship between the concen
Externí odkaz:
https://doaj.org/article/07428fb407e840f08801fc0d78dc5176
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 86, Iss 882, Pp 19-00298-19-00298 (2020)
Gigacycle fatigue properties of actual material of a storage cylinder, which had been used in a hydrogen station for verification tests, were examined in both longitudinal and circumferential directions. The storage cylinder was made of SNCM439 steel
Externí odkaz:
https://doaj.org/article/2162b72ea7744f7299282c8e5f6a9c23
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
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 865, Pp 18-00221-18-00221 (2018)
Four types of strength tests, slow strain rate tensile (SSRT), fatigue life, fatigue crack growth (FCG) and fracture toughness tests, were performed on six types of aluminum alloys, 5083-O, 6061-T6, 6066-T6, 7N01-T5, 7N01-T6 and 7075-T6, in air and 1
Externí odkaz:
https://doaj.org/article/1a827a1e0aa54ab0a0656e1c14fa4e3e
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 857, Pp 17-00437-17-00437 (2018)
In order to study the hydrogen embrittlement behavior of austenitic stainless steel weld metal, slow strain rate tensile (SSRT) tests and fatigue life tests were performed in high-pressure hydrogen gas. Tensile and fatigue life specimens, in which wh
Externí odkaz:
https://doaj.org/article/2fc794aa33974acc925e0f32af1ca03c
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