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Microstructure and oxidation behaviour of Ir-rich Ir-Al binary alloys
Z. B. Bao; H. Murakami; Y. Yamabe-Mitarai
2014
Source PublicationCorrosion Science
ISSN0010-938X
Volume87Pages:306-311
AbstractIn the current study, alloys of Ir-11Al, Ir-23Al, Ir-30Al, Ir-41Al and Ir-45Al (at.%) were prepared to investigate the microstructure and oxidation behaviour of Ir-rich Ir-Al alloys. Ir(Al)(ss) and/or beta-IrAl intermetallic phases were found to exist in the prepared alloys. During isothermal oxidation at 1100 degrees C, the Ir(Al)(ss) and beta-IrAl individually changed to porous and dense Al2O3. The microstructure of the oxide scale formed on Ir-23Al was similar to that of its former alloy which possessed a dendrite-like configuration. It was found that the mass change of Ir-45Al followed a parabolic law, showing the best oxidation resistance among the Ir-Al alloys. (C) 2014 Elsevier Ltd. All rights reserved.
description.department[bao, z. b. ; murakami, h. ; yamabe-mitarai, y.] natl inst mat sci, tsukuba, ibaraki 3050047, japan. [bao, z. b.] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. ; bao, zb (reprint author), chinese acad sci, inst met res, state key lab corros & protect, wencui rd 62, shenyang 110016, peoples r china. ; zbbao@imr.ac.cn
KeywordAlloy Sem Weight Loss High Temperature Corrosion Oxidation High-temperatures Hot Corrosion Degrees-c Coatings System Iridium
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73188
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Z. B. Bao,H. Murakami,Y. Yamabe-Mitarai. Microstructure and oxidation behaviour of Ir-rich Ir-Al binary alloys[J]. Corrosion Science,2014,87:306-311.
APA Z. B. Bao,H. Murakami,&Y. Yamabe-Mitarai.(2014).Microstructure and oxidation behaviour of Ir-rich Ir-Al binary alloys.Corrosion Science,87,306-311.
MLA Z. B. Bao,et al."Microstructure and oxidation behaviour of Ir-rich Ir-Al binary alloys".Corrosion Science 87(2014):306-311.
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