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High temperature oxidation behavior of a EBPVD thermal barrier coating
Li, MH; Zhang, ZY; Sun, XF; Hu, WY; Gong, SK; Guan, HR; Hu, ZQ
Corresponding AuthorLi, MH()
2002-09-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume38Issue:9Pages:989-993
AbstractA Y2O3 partially stabilized ZrO2 ceramic top coating was deposited on a NiCrAlY bond coating by electron beam physical vapor deposition (EB-PVD). Isothermal oxidation was performed at 900 degreesC, 1000 degreesC, and 1100 degreesC for 100 h, and thermal cyclic oxidation at 1050 degreesC. All the specimens were characterized by scanning electron microscopy (SEM), energy dispersion X-ray spectroscopy (EDS) and X-ray diffraction (XRD). It is shown that among the three isothermal oxidation conditions, the weight gain of the specimen at 1100 degreesC is the smallest in the initial 20 h. The thermal stress resulted from the thermal cycle and the growth stress of the oxide cause cracks at the interface between the Ni-Cr-Al-Y bond coating and its oxide, leading to failure of the EB-PVD thermal barrier coating.
KeywordZrO2 ceramic coating Ni-Cr-Al-Y bond coating electron beam physical vapor deposition thermal barrier coating high temperature oxidation
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000178667600018
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/114130
Collection中国科学院金属研究所
Corresponding AuthorLi, MH
Affiliation1.Chinese Acad Sci, Met Res Inst, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
2.Hunan Univ, Coll Mat Sci & Engn, Changsha 410082, Peoples R China
3.Beijing Univ Aeronaut & Astronaut, Coll Mat Sci & Engn, Beijing 100083, Peoples R China
Recommended Citation
GB/T 7714
Li, MH,Zhang, ZY,Sun, XF,et al. High temperature oxidation behavior of a EBPVD thermal barrier coating[J]. ACTA METALLURGICA SINICA,2002,38(9):989-993.
APA Li, MH.,Zhang, ZY.,Sun, XF.,Hu, WY.,Gong, SK.,...&Hu, ZQ.(2002).High temperature oxidation behavior of a EBPVD thermal barrier coating.ACTA METALLURGICA SINICA,38(9),989-993.
MLA Li, MH,et al."High temperature oxidation behavior of a EBPVD thermal barrier coating".ACTA METALLURGICA SINICA 38.9(2002):989-993.
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