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Oxidation Performance and Interdiffusion Behaviour of two MCrAlY Coatings on a Fourth-Generation Single-Crystal Superalloy
Tan, K. J.1,2; Liang, J. J.1; Wang, X. G.1; Tao, X. P.1,2; Gong, J.1; Sun, C.1; Zhou, Y. Z.1; Sun, X. F.1
Corresponding AuthorLiang, J. J.(jjliang@imr.ac.cn) ; Wang, X. G.(xgwang11b@imr.ac.cn)
2021-09-07
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Pages14
AbstractThe oxidation behaviour of a fourth-generation single-crystal superalloy without coating and with two types of MCrAlY coatings at 1140 degrees C was studied. The results showed that both coatings greatly improved the oxidation resistance of the superalloy, and the addition of Hf further improved the oxidation resistance by pinning the oxide layer into the coating. Before and after oxidation, obvious Cr and Al interdiffusion was detected. Inward Cr diffusion induces the precipitation of a topologically close-packed phase, while the diffusion of Al affects the structure of the gamma/gamma' phase, the solubility of refractory elements, and the formation of an interdiffusion zone.
KeywordSuperalloys Metal coatings Oxidation Electron probe microanalyser (EPMA) Element diffusion
Funding OrganizationNational Science and Technology Major Project ; National Key Research and Development Program of China ; National Natural Science Foundation of China (NSFC) ; Youth Innovation Promotion Association, Chinese Academy of Sciences and Innovation Academy for Light-duty Gas Turbine ; Chinese Academy of Sciences
DOI10.1007/s40195-021-01287-1
Indexed BySCI
Language英语
Funding ProjectNational Science and Technology Major Project[2017-VI-0002-0072] ; National Key Research and Development Program of China[2017YFA0700704] ; National Natural Science Foundation of China (NSFC)[51671188] ; National Natural Science Foundation of China (NSFC)[51771190] ; Youth Innovation Promotion Association, Chinese Academy of Sciences and Innovation Academy for Light-duty Gas Turbine ; Chinese Academy of Sciences[CXYJJ20-MS-03]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000693511300002
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/166917
Collection中国科学院金属研究所
Corresponding AuthorLiang, J. J.; Wang, X. G.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Tan, K. J.,Liang, J. J.,Wang, X. G.,et al. Oxidation Performance and Interdiffusion Behaviour of two MCrAlY Coatings on a Fourth-Generation Single-Crystal Superalloy[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2021:14.
APA Tan, K. J..,Liang, J. J..,Wang, X. G..,Tao, X. P..,Gong, J..,...&Sun, X. F..(2021).Oxidation Performance and Interdiffusion Behaviour of two MCrAlY Coatings on a Fourth-Generation Single-Crystal Superalloy.ACTA METALLURGICA SINICA-ENGLISH LETTERS,14.
MLA Tan, K. J.,et al."Oxidation Performance and Interdiffusion Behaviour of two MCrAlY Coatings on a Fourth-Generation Single-Crystal Superalloy".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2021):14.
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