OXIDATION-KINETICS OF ZIRCONIUM IN WATER-VAPOR BETWEEN 750-DEGREES-C AND 1250-DEGREES-C

被引：2
作者：
NARDOU, F
KHADIRIAN, RD
RAYNAUD, P
BILLY, M
机构：
[1] CNRS, Limoges, Fr, CNRS, Limoges, Fr
来源：
MATERIALS CHEMISTRY AND PHYSICS | 1988年 / 19卷 / 03期
关键词：
CHEMICAL REACTIONS - Reaction Kinetics - OXIDES - OXYGEN - Diffusion - SOLID SOLUTIONS;
D O I：
10.1016/0254-0584(88)90029-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The zirconium oxidation has been followed in H//2/H//2O gas mixtures by microgravimetry and morphological observations between 750 and 1250 degree C. The reaction rate is governed by a mixed regime of oxygen diffusion through multiplex oxide layers of zirconia and an oxygen solid solution. After the metal core has disappeared the reaction proceeds by direct oxidation of the solid solution. Different kinetic behaviors have been shown according to the phase couples present.
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页码：229 / 245
页数：17
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