Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Francis H. Ku"'
Autor:
Francis H. Ku, Steven L. McCracken
Publikováno v:
Volume 6B: Materials and Fabrication.
Weld overlay (WOL) is a popular repair technique to mitigate stress corrosion cracking (SCC) in dissimilar metal weld (DMW) in U.S. pressurized water reactor (PWR) design. The WOL technique is being considered as a SCC mitigation technique for DMW in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b80d3c07bc9000051c68a191789b864
https://doi.org/10.1115/pvp2018-84981
https://doi.org/10.1115/pvp2018-84981
Autor:
Francis H. Ku, Steven L. McCracken
Publikováno v:
Volume 6A: Materials and Fabrication.
This paper presents a finite element analysis (FEA) based approach to perform crack growth evaluation of remnant cracks in a mockup with a partial arc excavate and weld repair (EWR). The partial arc EWR is a mitigation option to address stress corros
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::412e46464781e675c1fe78742f3960b1
https://doi.org/10.1115/pvp2017-66173
https://doi.org/10.1115/pvp2017-66173
Publikováno v:
Volume 6B: Materials and Fabrication.
This paper presents predictions of weld residual stresses in a mockup with a partial arc excavate and weld repair (EWR) utilizing finite element analysis (FEA). The partial arc EWR is a mitigation option to address stress corrosion cracking (SCC) in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8c13d93cda57be363c77344f34f3d4c
https://doi.org/10.1115/pvp2016-63815
https://doi.org/10.1115/pvp2016-63815
Publikováno v:
Volume 6B: Materials and Fabrication.
Two-dimensional (2D) and three-dimensional (3D) weld-induced residual stress finite element analyses have been performed for 2-inch Schedule 80 Type-304 stainless steel pipe sections joined by a multi-layer segmented-bead pipe weld. The analyses inve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dbfa1bf05306482aa20d0f48a2e123cc
https://doi.org/10.1115/pvp2014-28776
https://doi.org/10.1115/pvp2014-28776
Publikováno v:
Volume 6: Materials and Fabrication, Parts A and B.
Finite element weld residual stress analyses are performed to investigate the effectiveness of a newly proposed repair option for primary water stress corrosion cracking (PWSCC) in dissimilar metal welds in PWRs: Excavate and Weld Repair (EWR). Analy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47a3a265c7c3900e21610af03c44b6d1
https://doi.org/10.1115/pvp2012-78618
https://doi.org/10.1115/pvp2012-78618
Autor:
Francis H. Ku, Shu S. Tang
Publikováno v:
Volume 6: Materials and Fabrication, Parts A and B.
Finite element weld residual stress analyses are performed to investigate the similarities and differences between two-dimensional (2-D) and three-dimensional (3-D) finite element analyses on weld residual stress predictions of the NRC Phase II Mocku
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c68d2a83f64b0a375073586ac25a28bb
https://doi.org/10.1115/pvp2012-78760
https://doi.org/10.1115/pvp2012-78760
Autor:
Pete C. Riccardella, Francis H. Ku
Publikováno v:
Volume 6: Materials and Fabrication, Parts A and B.
This paper presents a fast finite element analysis (FEA) model to efficiently predict the residual stresses in a feeder elbow in a CANDU nuclear reactor coolant system throughout the various stages of the manufacturing and welding processes, includin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e55dfe79344d58dd93bac663b295fb50
https://doi.org/10.1115/pvp2011-57368
https://doi.org/10.1115/pvp2011-57368
Publikováno v:
ASME 2010 Pressure Vessels and Piping Conference: Volume 3.
This article presents the overall methodology and the results of the three-dimensional (3D) finite element buckling analysis of the primary containment drywell shell at the Oyster Creek Nuclear Generating Station (Oyster Creek). The buckling stresses
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a201a7b08e1b83f740453a5858448e75
https://doi.org/10.1115/pvp2010-25450
https://doi.org/10.1115/pvp2010-25450
Autor:
Charles Fourcade, Nathaniel G. Cofie, Richard L. Bax, David G. Dijamco, Christopher S. Lohse, Francis H. Ku
Publikováno v:
Volume 6: Materials and Fabrication, Parts A and B.
Weld overlays have been used to repair or mitigate stress corrosion cracking (SCC) in both boiling water reactor (BWR) and pressurized water reactor (PWR) nozzle-to-pipe dissimilar metal welds (DMW). One of the contributing factors to SCC is the high
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb8c73da821baf2f1ca37719b79d40e8
https://doi.org/10.1115/pvp2009-78091
https://doi.org/10.1115/pvp2009-78091
Publikováno v:
Volume 6: Materials and Fabrication, Parts A and B.
Weld overlay technique can be used on a welded pipe with a flaw in the butt weld to prevent it from cracking further. Due to the application of weld overlay on top of the weld, compressive stresses are developed in the pipe wall and the weld. These s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c8b0a636cd60c76fad0c048fa86c51c6
https://doi.org/10.1115/pvp2008-61634
https://doi.org/10.1115/pvp2008-61634