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Crystallinity, Stresses, and Cracks of YSZ Coatings Characterized by SEM-EBSD-Raman Spectroscopy
Zhu, X; Huang, YL; Zheng, W; Zhang, JM; Lin, CC; Schwalb, C; Zeng, Y
2020-06-01
Source PublicationJOURNAL OF THERMAL SPRAY TECHNOLOGY
ISSN1059-9630
Issue5Pages:995
SubtypeArticle
AbstractYttria-stabilized zirconia (YSZ) thermal barrier coatings (TBCs) were prepared by atmospheric plasma spraying (APS). SEM-EBSD-Raman spectroscopy evaluated the relationship between the crystallinity, stresses, and cracks in YSZ coatings. Cracks were more likely to form in locations having poor crystallinity, due to the tensile stresses. Analysis between the formation of cracks and stresses shows that transgranular cracks are more likely created in areas with poor crystallinity. Moreover, intergranular cracks are more likely to occur around columnar grains, because the tensile stresses of columnar grains are greater than those of equiaxed grains. Resultantly, the formation and propagation of cracks can be controlled by controlling the cooling rate and grain shape.
DOI10.1007/s11666-020-01051-4
WOS KeywordTHERMAL BARRIER COATINGS ; RESIDUAL-STRESS ; MICROSTRUCTURE ; COEFFICIENTS ; EVOLUTION ; SYSTEM
Language英语
WOS Research AreaMaterials Science
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28049
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhu, X,Huang, YL,Zheng, W,et al. Crystallinity, Stresses, and Cracks of YSZ Coatings Characterized by SEM-EBSD-Raman Spectroscopy[J]. JOURNAL OF THERMAL SPRAY TECHNOLOGY,2020(5):995.
APA Zhu, X.,Huang, YL.,Zheng, W.,Zhang, JM.,Lin, CC.,...&Zeng, Y.(2020).Crystallinity, Stresses, and Cracks of YSZ Coatings Characterized by SEM-EBSD-Raman Spectroscopy.JOURNAL OF THERMAL SPRAY TECHNOLOGY(5),995.
MLA Zhu, X,et al."Crystallinity, Stresses, and Cracks of YSZ Coatings Characterized by SEM-EBSD-Raman Spectroscopy".JOURNAL OF THERMAL SPRAY TECHNOLOGY .5(2020):995.
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