Effect of Al and Cr on Oxidation of Fe-Al and Fe-Cr Alloys

Title
Effect of Al and Cr on Oxidation of Fe-Al and Fe-Cr Alloys
Authors
김태완조승훈고인용도정만윤진국손인진
Keywords
Metal; Rolling; Oxidation; Scanning electron microscopy
Issue Date
2010-11
Publisher
대한금속 . 재료학회지; Journal of the Korean Institute of Metals and Materials
Citation
VOL 48, NO 11, 981-988
Abstract
The effects of Cr and Al contents in Fe-Al and Fe-Cr alloys on oxidation resistance, hardness, and the thermal expansion coefficient were investigated. Fe-Al and Fe-Cr alloys above 10wt.%Al and 20wt.%Cr contents have a high oxidation resistance. The hardness of the Fe-Al and Fe-Cr alloys increased with an increase in Al and Cr contents due to solid solution or formation of an intermetallic compound. The coefficients of thermal expansion of the Fe-Al alloys were higher than those of the Fe-Cr alloys because the coefficient of thermal expansion of Al was higher than that of Fe and Cr.
URI
http://pubs.kist.re.kr/handle/201004/38891
ISSN
1738-8228
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KIST Publication > Article
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