Burst Ductility of Zirconium Clads: The Defining Role of Residual Stress
作者： Gulshan Kumar , AK Kanjarla , Arijit Lodh , Jaiveer Singh , Ramesh Singh
DOI: 10.1007/S11661-016-3526-3
关键词: Finite element method 、 Ductility 、 Stress (mechanics) 、 Residual stress 、 Hydrostatic equilibrium 、 Structural material 、 Materials science 、 Metallurgy 、 Zirconium 、 Elongation
摘要: Closed end burst tests, using room temperature water as pressurizing medium, were performed on a number of industrially produced zirconium (Zr) clads. A total of 31 samples were selected based on observed differences in burst ductility. The latter was represented as total circumferential elongation or TCE. The selected samples, with a range of TCE values (5 to 35 pct), did not show any correlation with mechanical properties along axial direction, microstructural parameters, crystallographic textures, and outer tube-surface …
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