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Effects of Splat Interfaces, Monoclinic Phase and Grain Boundaries on the Thermal Conductivity of Plasma Sprayed Yttria-Stabilized Zirconia Coatings
Guo, Xiaojie; Zhao, Weiwei; Zeng, Yi; Lin, Chucheng; Zhang, Jimei
2019
Source PublicationCOATINGS
ISSN2079-6412
Volume9Issue:1
SubtypeArticle
AbstractMicrostructure has a significant influence on the thermal conductivity of thermal barrier coating (TBC) systems. In this work, the microstructures including splat interface, monoclinic phase and grain boundaries in the YSZ air plasma spraying (APS) TBC systems are investigated. A finite element simulation model based on electron backscatter diffraction (EBSD) images is established. It is found that the simulation results of thermal conductivity are in good agreement with the experimental results. Using this model, the effect coefficient of splat interface, monoclinic phase and grain boundaries on thermal conductivity are calculated. Results show that the splat interface influences the thermal conductivity of the TBCs. Those results provide important guidance for reducing the thermal conductivity of thermal barrier coatings.
KeywordYSZ coatings finite element models EBSD images thermal conductivity microstructure
DOI10.3390/coatings9010026
Language英语
WOS Research AreaMaterials Science
PublisherMDPI
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27423
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Guo, Xiaojie,Zhao, Weiwei,Zeng, Yi,et al. Effects of Splat Interfaces, Monoclinic Phase and Grain Boundaries on the Thermal Conductivity of Plasma Sprayed Yttria-Stabilized Zirconia Coatings[J]. COATINGS,2019,9(1).
APA Guo, Xiaojie,Zhao, Weiwei,Zeng, Yi,Lin, Chucheng,&Zhang, Jimei.(2019).Effects of Splat Interfaces, Monoclinic Phase and Grain Boundaries on the Thermal Conductivity of Plasma Sprayed Yttria-Stabilized Zirconia Coatings.COATINGS,9(1).
MLA Guo, Xiaojie,et al."Effects of Splat Interfaces, Monoclinic Phase and Grain Boundaries on the Thermal Conductivity of Plasma Sprayed Yttria-Stabilized Zirconia Coatings".COATINGS 9.1(2019).
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