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Preparation of Al2O3-YSZ composite coating by EB-PVD
Guo, HB; Xu, HB; Bi, XF; Gong, SK
Corresponding AuthorXu, HB()
2002-02-28
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume325Issue:1-2Pages:389-393
AbstractAn Al2O3-YSZ thermal barrier coating was prepared by co-deposition of Al2O3 and YSZ (8 wt.% Yttria Stabilized Zirconia) onto NiCoCrAlY bond coat by means of electron beam physical vapor deposition (EB-PVD). Analysis of SEM/EDXS showed that the structure and composition distribution across the thickness of the coating changed continuously. Simultaneously, a gradient micro-porous microstructure formed in the coating, which resulted in micro-hardness of the coating increasing gradually towards its surface. Additionally, the Al2O3-YSZ coating exhibited a lower thermal conductivity than traditional YSZ coating, which was caused by the micro-porous microstructure in the coating and the vacancies appearing in the ZrO2 lattice. (C) 2002 Elsevier Science B.V. All rights reserved.
Keywordthermal barrier coatings (TBCS) gradient coatings micro-pores thermal conductivity electron beam physical vapor deposition (EB-PVD)
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000174080600048
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/115345
Collection中国科学院金属研究所
Corresponding AuthorXu, HB
Affiliation1.Beijing Univ Aeronaut & Astronaut, Dept Mat Sci & Engn, Beijing 100083, Peoples R China
2.Beijing Univ Aeronaut & Astronaut, State Key Lab Corros & Protect, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Guo, HB,Xu, HB,Bi, XF,et al. Preparation of Al2O3-YSZ composite coating by EB-PVD[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2002,325(1-2):389-393.
APA Guo, HB,Xu, HB,Bi, XF,&Gong, SK.(2002).Preparation of Al2O3-YSZ composite coating by EB-PVD.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,325(1-2),389-393.
MLA Guo, HB,et al."Preparation of Al2O3-YSZ composite coating by EB-PVD".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 325.1-2(2002):389-393.
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