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Keywords: hydride
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Proceedings Papers

Effects of Pre-Crack Depth and Hydrogen Absorption on the Failure Strain of Zircaloy-4 Cladding Tubes Under Biaxial Strain Conditions

Feng Li, Takeshi Mihara, Yutaka Udagawa, Masaki Amaya
Proc. ASME. ICONE2020, Volume 2: Nuclear Policy; Nuclear Safety, Security, and Cyber Security; Operating Plant Experience; Probabilistic Risk Assessments; SMR and Advanced Reactors, V002T08A052, August 4–5, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ICONE2020-16738
https://doi.org/10.1115/ICONE2020-16738
... Abstract Fuel cladding may be subjected to biaxial tensile stress in axial and hoop directions during pellet-cladding mechanical interaction (PCMI) of a reactivity-initiated accident (RIA). Incipient crack in the hydride rim assisted by the scattered hydrides in the metal phase may lead...
View Paper titled, Effects of Pre-Crack Depth and Hydrogen Absorption on the Failure Strain of Zircaloy-4 Cladding Tubes Under Biaxial Strain Conditions
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Topics: Absorption, Cladding systems (Building), Failure, Fracture (Materials), Hydrogen, Heat treating (Metalworking), Accidents, Fuels, Manufacturing, Metals
Proceedings Papers

Application of the PDM (Point Defect Model) to the Oxidation of Zircaloy Fuel Cladding in Water-Cooled Nuclear Reactors

Pilyeon Park, Mirna Urquidi-Macdonald, Digby D. Macdonald
Proc. ASME. ICONE12, 12th International Conference on Nuclear Engineering, Volume 1, 605-613, April 25–29, 2004
Publisher: American Society of Mechanical Engineers
Paper No: ICONE12-49098
https://doi.org/10.1115/ICONE12-49098
... the PDM to provide a comprehensive, atomic scale description of the growth of bilayer passive films on zirconium to simulate the corrosion of Zircaloy fuel cladding in BWRs and PWRs under high burn-up conditions. Two models have been formulated; one comprising a hydride inner (barrier) layer and an oxide...
View Paper titled, Application of the PDM (Point Defect Model) to the Oxidation of Zircaloy Fuel Cladding in Water-Cooled Nuclear Reactors
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Topics: Cladding systems (Building), Fuels, Nuclear reactors, Oxidation, Pulse width modulation, Water