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Effect of a thin Al2O3 film on high temperature oxidation of a Sm(Co0.68Fe0.22Cu0.08Zr0.02)(7.5) alloy
H. Zhao; X. Peng; Q. Feng; Z. Guo; W. Li; F. Wang
2014
Source PublicationCorrosion Science
ISSN0010-938X
Volume88Pages:133-140
AbstractThe oxidation of a Sm(Co0.68Fe0.22Cu0.08Zr0.02)(7.5) magnetic alloy deposited with a thin Al2O3 film has been studied. The Al2O3-coated alloy exhibits almost no oxidation at 500 degrees C and only forms a few-micrometers-thick internal-oxidation-affected zone (IOAZ) at 600 and 700 degrees C for 20 h exposure to air. The effect of the Al2O3 film on the oxidation degradation of magnetic phases of the alloy is disclosed based on microstructural characterizations of the IOAZ. The result also shows that the Al2O3 film offers better protection than the Cr2O3 film reported previously. (C) 2014 Elsevier Ltd. All rights reserved.
description.department[zhao, h. ; peng, x. ; feng, q. ; wang, f.] chinese acad sci, inst met res, lab corros & protect, shenyang 110016, peoples r china. [guo, zh. ; li, w.] cent iron & steel res inst, div funct mat, beijing 100081, peoples r china. ; peng, x (reprint author), chinese acad sci, inst met res, lab corros & protect, shenyang 110016, peoples r china. ; xpeng@imr.ac.cn
KeywordAlloy Sem Tem Xrd Oxidation Oxide Coatings 2/17-type Permanent-magnets 700 Degrees-c Thermal-stability Smco Alloys Microstructure Diffusion Coatings Copper Phase
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73510
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
H. Zhao,X. Peng,Q. Feng,et al. Effect of a thin Al2O3 film on high temperature oxidation of a Sm(Co0.68Fe0.22Cu0.08Zr0.02)(7.5) alloy[J]. Corrosion Science,2014,88:133-140.
APA H. Zhao,X. Peng,Q. Feng,Z. Guo,W. Li,&F. Wang.(2014).Effect of a thin Al2O3 film on high temperature oxidation of a Sm(Co0.68Fe0.22Cu0.08Zr0.02)(7.5) alloy.Corrosion Science,88,133-140.
MLA H. Zhao,et al."Effect of a thin Al2O3 film on high temperature oxidation of a Sm(Co0.68Fe0.22Cu0.08Zr0.02)(7.5) alloy".Corrosion Science 88(2014):133-140.
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