Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 359, Issue 1-2, Pages 44-51Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S0921-5093(03)00355-1
Keywords
adhesion energy; blister test; chromia scales; ferritic stainless steels; Ti and Nb addition elements; scale spallation
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The inverted blister test was used to study the adhesion of chromium-rich oxide scales thermally grown on several ferritic stainless steels. With this technique, a quantitative determination of the adhesion energy of the oxide on its substrate was possible. The adhesion energy is found to vary between 3 and 170 J m(-2) depending on the specimens. It appears that the parameters influencing adhesion are oxide thickness and the nature of the minor alloying elements present in the alloy. The microstructural observation of both sides of the oxide/alloy interface after debonding provides important information on adhesion and spallation. (C) 2003 Elsevier B.V. All rights reserved.
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