Theoretical and experimental studies of Zr oxidation: Stress and anisotropy effects

被引：5
|
作者：
Favergeon, J [1 ]
Montesin, T [1 ]
Valot, C [1 ]
Bertrand, G [1 ]
机构：
[1] Univ Bourgogne, Lab Rech React Solides, UMR5613, F-21078 Dijon, France
来源：
DEFECTS AND DIFFUSION IN METALS: AN ANNUAL RETROSPECTIVE IV | 2002年 / 203-2卷
关键词：
anisotropy; oxidation kinetics; stress-diffusion coupling; zirconium alloys;
D O I：
10.4028/www.scientific.net/DDF.203-205.231
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The aim of our work is to study the role of mechanical stresses on the oxidation of zirconium and its alloys. For this study, we first emphasize experimentally an effect of the metal texture on the oxidation kinetics: two different metal crystallographic textures give two different oxidation kinetic curves. Theoretically, numerical simulations of a growing oxide scale using an anisotropic mechano-chemical model leads to the same relation and then highlights the influence of the Zr-O solid solution on the oxidation kinetics. Lastly, in-situ analyses by X-rays diffraction allow to confirm the existence of the solid solution effect.
引用
收藏
页码：231 / 242
页数：12
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