TITLE

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

AUTHOR(S)
Sniezewski, Julien; Lours, Philippe; Maoult, Yannick Le
PUB. DATE
March 2011
SOURCE
Materials at High Temperatures;Mar2011, Vol. 28 Issue 1, p17
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
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.
ACCESSION #
59527848

 

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