Buckling and spalling failure of alumina grown by oxidation on ODS FeCrAl alloys

被引：3
|
作者：
Sniezewski, Julien [1 ]
Lours, Philippe [1 ]
Le Maoult, Yannick [1 ]
机构：
[1] Univ Toulouse, Inst Clement Ader, F-81013 Albi, France
来源：
MATERIALS AT HIGH TEMPERATURES | 2011年 / 28卷 / 01期
关键词：
in situ analysis; oxidation; buckling; spallation; SPALLATION; PM2000;
D O I：
10.3184/096034011X12962385894289
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In situ investigation of thermal shocks imposed to alumina grown on FeCrAl alloy at high temperature shows that interfacial buckling is the preferential route to spallation. Various parameters, either intrinsic or extrinsic to the substrate/oxide system, are analysed in terms of variation in interfacial fracture energies and propensity of alloy grains to wrinkle during high temperature exposure depending On their crystal orientation.
引用
收藏
页码：17 / 20
页数：4
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