A Numerical Model for Delayed Hydride Cracking of Zirconium Alloy Cladding Tubes

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A Numerical Model for Delayed Hydride Cracking of Zirconium Alloy Cladding Tubes

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Publication Conference Paper, other
Title A Numerical Model for Delayed Hydride Cracking of Zirconium Alloy Cladding Tubes
Author(s) Jernkvist, Lars Olof ; Massih, Ali R
Date 2007
Editor(s) Matzen, Vernon
English abstract
An integrated numerical model for hydride-induced failure of zirconium alloys is presented. The model solves the time-dependent and interconnected problems of temperature- and stress-directed diffusion of hydrogen, metal-hydride phase transformation, stress-directed hydride orientation, hydrogen-induced expansion and fracture within a two- dimensional finite element framework. The finite element method allows representation of arbitrary two-dimensional geometries and thermo-mechanical loading conditions. The model has a wide range of application, but is intended primarily for analyses of delayed hydride cracking in cladding tubes of light water reactor nuclear fuel rods.
Link http://www.iasmirt.org/iasmirt-2/SMiRT19/S19_FinalPapers/C01_3.pdf (external link to publication)
Publisher International Association for Structural Mechanics in Reactor Technology
Host/Issue SMiRT 19 Transactions;C01/3
Pages 1-8
Language eng (iso)
Subject(s) Zirconium alloys
Hydriding
Embrittlement
Technology
Research Subject Categories::TECHNOLOGY
Note SMiRT 19. 19th International Conference on Structural Mechanics in Reactor Technology, August 12-17, 2007, Toronto, Canada.
Handle http://hdl.handle.net/2043/12394 (link to this page)
Link http://www.iasmirt.org/iasmirt-2/SMiRT19/SMiRT19_TOC.htm (external link to related web page)

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