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Microstructural stability of AIN diffusion barrier for nanocomposite Ni plus CrAlYSiHfN coating on single crystal superalloy at high temperatures
Ren, Pan; Zhu, Shenglong; Wang, Fuhui; slzhu@imr.ac.cn
2015
Source PublicationAPPLIED SURFACE SCIENCE
ISSN0169-4332
Volume359Pages:420-425
AbstractAn AIN interlayer was fabricated by filtered vacuum arc evaporation as a diffusion barrier (DB) between Ni + CrAlYSiHfN composite coating and K417G superalloy. Microstructure changes of the AIN DB were investigated after exposure at 1000 and 1100 degrees C. Amorphous structure was found in the as-deposited AIN DB, which went through crystallization when exposing at high temperature. The AIN DB suppressed interdiffusion between overlayer and substrate effectively after 200 h exposure at both 1000 degrees C and 1100 degrees C. A few substrate element precipitates were observed within the grain boundary of the AIN DB after exposure at 1100 degrees C for 200 h. (C) 2015 Elsevier B.V. All rights reserved.
description.department[ren, pan ; zhu, shenglong ; wang, fuhui] chinese acad sci, inst met res, lab corros & protect, shenyang 110016, peoples r china
KeywordDiffusion Barrier Nanocomposite Coating Tem High Temperature
Funding OrganizationNational key Basic Research Program of China (973 Program) [2012CB625100]; National Natural Science Foundation of China [51231001]
Indexed Bysci
Language英语
WOS IDWOS:000366220600057
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74974
Collection中国科学院金属研究所
Corresponding Authorslzhu@imr.ac.cn
Recommended Citation
GB/T 7714
Ren, Pan,Zhu, Shenglong,Wang, Fuhui,et al. Microstructural stability of AIN diffusion barrier for nanocomposite Ni plus CrAlYSiHfN coating on single crystal superalloy at high temperatures[J]. APPLIED SURFACE SCIENCE,2015,359:420-425.
APA Ren, Pan,Zhu, Shenglong,Wang, Fuhui,&slzhu@imr.ac.cn.(2015).Microstructural stability of AIN diffusion barrier for nanocomposite Ni plus CrAlYSiHfN coating on single crystal superalloy at high temperatures.APPLIED SURFACE SCIENCE,359,420-425.
MLA Ren, Pan,et al."Microstructural stability of AIN diffusion barrier for nanocomposite Ni plus CrAlYSiHfN coating on single crystal superalloy at high temperatures".APPLIED SURFACE SCIENCE 359(2015):420-425.
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