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Thermal behavior of thermal barrier coatings composed with Al2O3 and ZrO2 sprayed by plasma
Gang, Z; Wu, YN; Yong, L; Feng, ZC; Ba, RZ
Corresponding AuthorGang, Z()
2003-09-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume32Issue:9Pages:756-760
AbstractThree types of thermal barrier coatings(TBCs) were prepared by plasma spray (PS) on GH536 superalloy substrate with different layers. One is the traditional TBC with Ni22Cr10AlY as bond coat and ZrO2-8wt% Y2O3 (8YSZ) as top coat, the other two TBCs have a triplex structure with composite layers of 8YSZ + Al2O3 and ZrO2, respectively. The static oxidation test and thermal shock tests were conducted to evaluate the oxidation kinetics and thermal shock cyclic lifetime of the TBCs. With the different failure criterions, the failure mechanism of TBCs was discussed. The thermal shock resistance of state-of-the-art duplex TBCs is the best. It is indicated that the higher oxidation resistance is obtained by using of composite 8YSZ + Al2O3 ceramic layer. It has the better oxidation resistance if using 8YSZ + Al2O3 as the inner composite layer of TBCs, comparing with as the out layer.
Keywordplasma spraying thermal barrier coatings static oxidation test thermal shock test
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000185808600020
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/118037
Collection中国科学院金属研究所
Corresponding AuthorGang, Z
Affiliation1.Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China
2.Shenyang Inst Technol, Shenyang 110015, Peoples R China
3.Beijing Aeronaut Mfg Technol Res Inst, Beijing 100024, Peoples R China
Recommended Citation
GB/T 7714
Gang, Z,Wu, YN,Yong, L,et al. Thermal behavior of thermal barrier coatings composed with Al2O3 and ZrO2 sprayed by plasma[J]. RARE METAL MATERIALS AND ENGINEERING,2003,32(9):756-760.
APA Gang, Z,Wu, YN,Yong, L,Feng, ZC,&Ba, RZ.(2003).Thermal behavior of thermal barrier coatings composed with Al2O3 and ZrO2 sprayed by plasma.RARE METAL MATERIALS AND ENGINEERING,32(9),756-760.
MLA Gang, Z,et al."Thermal behavior of thermal barrier coatings composed with Al2O3 and ZrO2 sprayed by plasma".RARE METAL MATERIALS AND ENGINEERING 32.9(2003):756-760.
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