Fracture of Zircaloy-4 Fuel Cladding Tubes with Hydride Blisters

Fracture of Zircaloy-4 Fuel Cladding Tubes with Hydride Blisters

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 a...

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Hauptverfasser: Macdonald, Vincent, Le Boulch, David, Menibus, Arthur Hellouin de, Besson, Jacques, Auzoux, Quentin, Crépin, Jérôme, Le Jolu, Thomas
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Engineering Sciences
Materials
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Zusammenfassung: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.
ISSN:2211-8128
2211-8128
DOI:10.1016/j.mspro.2014.06.041