Zobrazeno 1 - 10 of 12 pro vyhledávání: '"Hideki Okado"'
1
Observation of Cracks in Steels Using Synchrotron Radiation X-Ray Micro Tomography
Autor: Hiroshi Tanaka, Yasushi Morikage, Kentaro Kajiwara, Takuya Miyashita, Takayuki Kurimura, Hideki Okado, Yoshikazu Nakai, Daiki Shiozawa
Publikováno v: Journal of the Society of Materials Science, Japan. 56:951-957
In the present study, the ultra-bright synchrotron radiation X-ray was applied to the observation of small cracks in steels. It is important to investigate the applicability of synchrotron radiation X-ray and several parameters for the observation of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c75ef7d176f426d8cf73d4f56dfc3186
https://doi.org/10.2472/jsms.56.951
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2
Quantitative Analysis of Inclusions in High-strength Steels by X-ray Computed Tomography Using Ultra-bright Synchrotron Radiation
Autor: Yasushi Morikage, Daiki Shiozawa, Hiroshi Tanaka, Yoshikazu Nakai, Takuya Miyashita, Hideki Okado
Publikováno v: TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A. 72:1846-1852
The observation of internal microstructures in materials is important to elucidate the mechanisms of ultra-long life fatigue of high-strength steels, and to ensure the integrity of structures. By conventional techniques, such as laboratory X-ray and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::14916a6be3de6e5c5fd4c921eb711e8b
https://doi.org/10.1299/kikaia.72.1846
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4
Effect of Interface Roughness on Internal Stress of Ceramic Themal Barrier Coating
Autor: Hideki Okado, Masashi Kawamura, Kenji Suzuki, Koji Nishio
Publikováno v: Journal of the Society of Materials Science, Japan. 53:1019-1023
An investigation was carried out into the effect of the interface roughness between the metallic bond coat and the ceramic topcoat on internal stresses in a thermal sprayed ceramic thermal barrier coating (TBC). To evaluate the effect of the interfac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6cd24e1c5ffbc3f356f665c329b62e5c
https://doi.org/10.2472/jsms.53.1019
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5
Underwater cutting of stainless steel with the laser transmitted through optical fiber
Autor: Kunio Hara, Adachi Junichi, Takashi Sakurai, Hideki Okado, Hidehiko Miyao
Publikováno v: SPIE Proceedings.
By using a fiber-transmitted laser beam and high pressure oxygen gas, underwater laser cutting of thick stainless steel was demonstrated. In the field of decommissioning, underwater cutting of nuclear facilities is desirable. For this operation, it i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0504ff476a5053a2bdcbcbec2c0fb6bf
https://doi.org/10.1117/12.375176
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7
Features of various in – Process monitoring methods and their applications to laser welding
Autor: Masao Watanabe, Susumu Nakamura, Hideki Okado, Akira Matunawa, Takasi Inoue
Publikováno v: International Congress on Applications of Lasers & Electro-Optics.
This paper describes the features and the application of three monitoring methods that we selected the optical emission, the acoustic emission and the plasma generating potential in laser welding.In laser welding, various in-process monitoring method
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5c3db3b503f7bf18bc7308e99c382dd6
https://doi.org/10.2351/1.5058955
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