Zobrazeno 1 - 10 of 64 pro vyhledávání: '"Keiji Nakacho"'
1
Measurement of welding residual stresses of reactor vessels by inherent strain method – Diagnosis of inherent strain distribution function
Autor: Takahiro Ohta, Naoki Ogawa, Keiji Nakacho
Publikováno v: Welding International. 27:758-769
The fundamental objective of this study is to ensure the safety of nuclear reactors. A few accidents involving leaks from welded zones at the pipe penetration part of reactor vessels or at coolant pipes have been reported at home and abroad. One of t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3a80bf8faab0db161296af44733f8f6a
https://doi.org/10.1080/09507116.2012.708501
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2
Inherent Strain Method for Residual Stress Measurement and Welding Distortion Prediction
Autor: Naoki Ogawa, Ninshu Ma, Takahiko Ohta, Hidekazu Murakawa, Keiji Nakacho, Hui Huang, Akira Maekawa
Publikováno v: Volume 9: Prof. Norman Jones Honoring Symposium on Impact Engineering; Prof. Yukio Ueda Honoring Symposium on Idealized Nonlinear Mechanics for Welding and Strength of Structures.
Inherent strain method was employed to measure the distribution of three dimensional welding residual stresses in several multi-pass welded joints of thick pipes and thick cladded plates. Since a function expression approach to the distribution of in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e19826d18241e084c340d1be19121d96
https://doi.org/10.1115/omae2016-54184
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6
Three-dimensional Measurement of Welding Residual Stress of Thick Coolant Pipe Joint in Nuclear Reactor Plant by Inherent Strain Method
Autor: Keisuke Aoki, Keiji Nakacho, Reiko Sato, Norifumi Kasahara, Akira Maekawa
Publikováno v: QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY. 29:335-345
The objective of this study is to ensure the safety of nuclear reactors. A number of accidents caused by leaks from welded zones at pipe penetration points of the reactor vessel or in coolant pipes have been reported at sites around the world. One of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::163cf553d97b102cdbc5efe1b482e1d5
https://doi.org/10.2207/qjjws.29.335
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8
Measurement of welding residual stresses of reactor vessel by inherent strain method: measurement of residual stresses of pipe–plate penetration joint
Autor: Ninshu Ma, Hiromitsu Hamaguchi, Takahiro Ohta, Keiji Nakacho, Naoki Ogawa, Mineki Satou, Michisuke Nayama
Publikováno v: Welding International. 23:439-449
This study aims to ensure the safety of nuclear power plants. The accidents involving leaks from the welded zones at the pipe penetration part of a reactor vessel or at a coolant pipe are reported at home and abroad. One of the main causes is the wel
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9a5a0197d2650e0d628f65eacc17f96e
https://doi.org/10.1080/09507110802542965
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