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Fracture of Zircaloy-4 fuel cladding tubes with hydride blisters

Abstract : The influence of hydride blister on cold worked stress relieved Zircaloy-4 cladding tubes fracture toughness at room temperature was studied using hoop tensile tests and plane strain tensile tests. The experimental macroscopic fracture stress and strain values and an elastic-plastic finite element analysis of the mechanical tests with the CAST3 M code were used to calculate the J-integral and estimate the fracture toughness for several blister depths from 120 to 240 μm.
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Submitted on : Thursday, July 31, 2014 - 4:37:56 PM
Last modification on : Thursday, September 24, 2020 - 6:30:07 PM
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Vincent Macdonald, David Le Boulch, Arthur Hellouin de Menibus, Jacques Besson, Quentin Auzoux, et al.. Fracture of Zircaloy-4 fuel cladding tubes with hydride blisters. 20th European conference on fracture (ECF 20), Jun 2014, Trondheim, Norway. pp.233-238, ⟨10.1016/j.mspro.2014.06.041⟩. ⟨hal-01053640⟩

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