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|Title:||Weibull stress analysis for an embedded crack in reactor pressure vessels under pressurized thermal shock|
|Authors:||Qian, X. |
Dodds Jr., R.H.
Pressurized thermal shock (PTS)
Reactor pressure vessel (RPV)
|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|
|Appears in Collections:||Staff Publications|
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