Zobrazeno 1 - 10
of 138
pro vyhledávání: '"Hideo MACHIDA"'
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 87, Iss 903, Pp 21-00149-21-00149 (2021)
A procedure for application of finite element analyses (FEAs) for the limit load assessment was investigated for the fitness-for-service code for nuclear facility by the Japan Society of Mechanical Engineers. The current code prescribes the equations
Externí odkaz:
https://doaj.org/article/d0ca9f2eb469419eb941f312369bca33
Publikováno v:
Mechanical Engineering Journal, Vol 7, Iss 3, Pp 19-00525-19-00525 (2020)
This paper describes the effect of local plastic component on J-integral and crack opening displacement (COD) evaluation of a circumferential penetrated crack, applicable to the leak before break (LBB) assessment for sodium cooled fast reactor (SFR)
Externí odkaz:
https://doaj.org/article/ccfcb55358a04fb9a458bd71db99fd14
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 85, Iss 876, Pp 18-00391-18-00391 (2019)
This paper describes elastic-plastic fracture mechanics assessment methods of a pipe having multiple circumferential cracks. Ductile fracture strength of a multiple cracked pipe was evaluated using J-integral based on a reference stress method. Using
Externí odkaz:
https://doaj.org/article/8770541318d44916950f381729b78ae3
Publikováno v:
Mechanical Engineering Journal, Vol 5, Iss 3, Pp 17-00605-17-00605 (2018)
This paper describes the J-integral evaluation methods for the case of multiple circumferential cracks in a cylinder subjected to bending moments. J-integral is one of the parameters of fracture mechanics used in the fracture assessment of materials
Externí odkaz:
https://doaj.org/article/43b0c22065a146ab823daad7efcd2521
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 84, Iss 859, Pp 17-00389-17-00389 (2017)
In the in-service inspection of sodium cooled fast reactors, an examination by continuous leak monitoring will be applied for components constituting sodium boundaries. The continuous leak monitoring examinations are premises in a LBB (leak before br
Externí odkaz:
https://doaj.org/article/0482c7b84fc24077a221ae14b4a57009
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 82, Iss 841, Pp 16-00263-16-00263 (2016)
Fracture strength of cracked pipes made of moderate toughness materials is derived using J-integral value, which represents the driving force for fracture, and J-R curve, which corresponds to the material strength. However, in practical applications,
Externí odkaz:
https://doaj.org/article/6ecca0e2fe454c0393dbca8d84984000
Autor:
Hideo MACHIDA, Manabu ARAKAWA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 81, Iss 824, Pp 14-00603-14-00603 (2015)
In order to prevent failure of piping, limitation on flaw depth according to the circumferential flaw angle is prescribed in the Fitness-For-Service Codes (FFS Codes) of the Japan Society of Mechanical Engineers (JSME). First, the applicability of th
Externí odkaz:
https://doaj.org/article/a81de63641014a35bee7d542cc7490b6
Autor:
Hideo MACHIDA, Manabu ARAKAWA
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 80, Iss 815, Pp SMM0186-SMM0186 (2014)
This paper describes evaluation methods of in-plane squirm buckling strength of bellows with thin wall reinforcing rings. Many bellows with thin wall reinforcing rings are used in the facilities of nuclear power plants. Bellows used in a vent pipe of
Externí odkaz:
https://doaj.org/article/3b5146a13ee646de91735c276f61286e
Publikováno v:
Transactions of the JSME (in Japanese). 87:21-00149
Publikováno v:
Volume 1: Codes and Standards.
The leak before break (LBB) assessment guidelines for sodium cooled fast reactors (SFRs) is being developed in the Japan Society of Mechanical Engineers (JSME). The major purpose of the guidelines is to provide LBB assessment procedures for pipes and