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The microstructure evolution during the vacuum heat treatment for a Re doped Ni2Al3 coating on a Ni-based single crystal superalloy
Li, W.1,2; Fu, L. B.1,2; Zhang, W. L.1,2; Li, Y. T.1,2; Jiang, S. M.2; Gong, J.2; Sun, C.2
Corresponding AuthorJiang, S. M.(smjiang@imr.ac.cn)
2021-05-15
Source PublicationMATERIALS LETTERS
ISSN0167-577X
Volume291Pages:3
AbstractTo figure out the microstructure evolution of a Re doped Ni2Al3 coating during vacuum heat treatment, the sample was heated to 1050 degrees C for 2 h and then transformed to Re doped beta-NiAl coating. Re-doped beta-NiAl coating was consisted of four layers including a layer with holes, beta-NiAl and fine dispersed Re, a layer with beta-NiAl and fine dispersed Re, a layer with beta-NiAl and fine dispersed W-rich precipitates and a bottom layer of interdiffusion zone (IDZ). The beta-NiAl type coating was primarily formed by outward diffusion of Ni from the substrate to react with Al of Re doped Ni2Al3 coating. Moreover, the inward diffusion of Al also occurred, thus the formation of holes was attributed to the counter diffusion of vacancies in outer coating. (C) 2021 Elsevier B.V. All rights reserved.
KeywordDiffusion Structural Rhenium Aluminide coating
Funding OrganizationTianjin Major Science and Technology Project of Military-Civil Integration ; National Science and Technology Major Project
DOI10.1016/j.matlet.2021.129598
Indexed BySCI
Language英语
Funding ProjectTianjin Major Science and Technology Project of Military-Civil Integration[18ZXJMTG00050] ; National Science and Technology Major Project[2017-VI-0002-0072]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000634767400018
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/162041
Collection中国科学院金属研究所
Corresponding AuthorJiang, S. M.
Affiliation1.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Li, W.,Fu, L. B.,Zhang, W. L.,et al. The microstructure evolution during the vacuum heat treatment for a Re doped Ni2Al3 coating on a Ni-based single crystal superalloy[J]. MATERIALS LETTERS,2021,291:3.
APA Li, W..,Fu, L. B..,Zhang, W. L..,Li, Y. T..,Jiang, S. M..,...&Sun, C..(2021).The microstructure evolution during the vacuum heat treatment for a Re doped Ni2Al3 coating on a Ni-based single crystal superalloy.MATERIALS LETTERS,291,3.
MLA Li, W.,et al."The microstructure evolution during the vacuum heat treatment for a Re doped Ni2Al3 coating on a Ni-based single crystal superalloy".MATERIALS LETTERS 291(2021):3.
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