Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/50810
Title: Weibull stress analysis for an embedded crack in reactor pressure vessels under pressurized thermal shock
Authors: Qian, X. 
Dodds Jr., R.H.
Keywords: Cleavage fracture
Ductile-to-brittle transition
Embedded crack
Pressurized thermal shock (PTS)
Reactor pressure vessel (RPV)
Weibull stress
Issue Date: 2008
Source: Qian, X.,Dodds Jr., R.H. (2008). Weibull stress analysis for an embedded crack in reactor pressure vessels under pressurized thermal shock. Key Engineering Materials 385-387 : 773-776. ScholarBank@NUS Repository.
Abstract: This paper describes the Weibull stress approach in predicting the cumulative probability of cleavage fracture for an axially embedded crack in the wall of a reactor pressure vessel (RPV) subjected to a thermal-mechanical transient typical for an accidental, pressurized thermal shock (PTS) event. This study demonstrates the need for detailed elastic-plastic analyses in the integrity assessment of RPVs under PTS loadings, and proposes both a simplified approach and a refined approach to assess the probability of fracture for RPVs subjected to such events.
Source Title: Key Engineering Materials
URI: http://scholarbank.nus.edu.sg/handle/10635/50810
ISSN: 10139826
Appears in Collections:Staff Publications

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