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A novel thermal bather coating for high-temperature applications
Wang, Xueying1; Guo, Shengnan1; Zhao, Lili1; Zhu, Yongping1; Ai, Li2
2016-02-01
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume42Issue:2Pages:2648-2653
AbstractA new thermal barrier coating system based on La1.7Dy0.3Zr2O7 (LDZ), which had a lower thermal conductivity for applications above 1773 K, was prepared by the air plasma spraying (APS). The phase composition, thermal expansion coefficient, thermal conductivity, the actual heat insulation and antioxidant ablation of the as-sprayed coatings were investigated. XRD results reveal that single pyrochlore phase LDZ coating is prepared and no new phase appears after ablation at 1573 K and 1773 K. Compared to 8 wt% yttria partially stabilized zirconia (YSZ) coatings, LDZ has better phase stability, lower thermal conductivity, better actual heat insulation, antioxidant ablation and heat resistance performance. These results imply that the LDZ ceramics can be explored as candidate material for the ceramic layer in TBC system. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
KeywordThermal Properties Plasma Spraying Thermal Barrier Coatings La1.7dy0.3zr2o7
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.ceramint.2015.10.071
Indexed BySCI
Language英语
WOS KeywordBARRIER COATINGS ; THERMOPHYSICAL PROPERTIES ; EXPANSION COEFFICIENTS ; EB-PVD ; ZIRCONATE ; CONDUCTIVITY ; CERAMICS
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
Funding OrganizationNational Natural Science Foundation of China(51202247) ; Science and Technology Scramjet Laboratory(KFA2013-032) ; State Key Laboratory of Multiphase Complex Systems(MPCS-2014-D-13)
WOS IDWOS:000367277000066
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/20246
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Sci & Technol Scramjet Lab, Beijing 100074, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xueying,Guo, Shengnan,Zhao, Lili,et al. A novel thermal bather coating for high-temperature applications[J]. CERAMICS INTERNATIONAL,2016,42(2):2648-2653.
APA Wang, Xueying,Guo, Shengnan,Zhao, Lili,Zhu, Yongping,&Ai, Li.(2016).A novel thermal bather coating for high-temperature applications.CERAMICS INTERNATIONAL,42(2),2648-2653.
MLA Wang, Xueying,et al."A novel thermal bather coating for high-temperature applications".CERAMICS INTERNATIONAL 42.2(2016):2648-2653.
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