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Short-term oxidation resistance and degradation of Cr2AlC coating on M38G superalloy at 900-1100 degrees C
Li, J. J.1,2; Li, M. S.1; Xiang, H. M.1,2; Lu, X. P.1,2; Zhou, Y. C.1
Corresponding AuthorLi, M. S.(mshli@imr.ac.cn)
2011-11-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume53Issue:11Pages:3813-3820
AbstractHigh temperature oxidation behavior of the Cr2AlC coating was investigated at 900-1100 degrees C. During the oxidation, a continuous Al2O3 scale formed, resulting in the improvement of the oxidation resistance of the substrate. Meanwhile, the oxidation induced depletion of Al within the Cr2AlC coating resulted in the transformation of Cr2AlC to Cr-C phases. Compared with bulk Cr2AlC, the Cr2AlC coating possessed similar oxidation behavior, but with higher oxidation rate. This is because a great number of columnar grain boundaries existed in the as-deposited coating, through which oxygen and nitrogen could diffuse inwardly, resulting in the internal oxidation and nitridation. (C) 2011 Elsevier Ltd. All rights reserved.
KeywordCeramic Sputtered films Oxidation Internal oxidation
Funding OrganizationNational Science Foundation of China
DOI10.1016/j.corsci.2011.07.032
Indexed BySCI
Language英语
Funding ProjectNational Science Foundation of China[50771099] ; National Science Foundation of China[50832008]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000295434500041
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/105017
Collection中国科学院金属研究所
Corresponding AuthorLi, M. S.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Li, J. J.,Li, M. S.,Xiang, H. M.,et al. Short-term oxidation resistance and degradation of Cr2AlC coating on M38G superalloy at 900-1100 degrees C[J]. CORROSION SCIENCE,2011,53(11):3813-3820.
APA Li, J. J.,Li, M. S.,Xiang, H. M.,Lu, X. P.,&Zhou, Y. C..(2011).Short-term oxidation resistance and degradation of Cr2AlC coating on M38G superalloy at 900-1100 degrees C.CORROSION SCIENCE,53(11),3813-3820.
MLA Li, J. J.,et al."Short-term oxidation resistance and degradation of Cr2AlC coating on M38G superalloy at 900-1100 degrees C".CORROSION SCIENCE 53.11(2011):3813-3820.
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