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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
发表期刊CERAMICS INTERNATIONAL
ISSN0272-8842
卷号42期号:2页码:2648-2653
摘要A 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.
关键词Thermal Properties Plasma Spraying Thermal Barrier Coatings La1.7dy0.3zr2o7
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ceramint.2015.10.071
收录类别SCI
语种英语
关键词[WOS]BARRIER COATINGS ; THERMOPHYSICAL PROPERTIES ; EXPANSION COEFFICIENTS ; EB-PVD ; ZIRCONATE ; CONDUCTIVITY ; CERAMICS
WOS研究方向Materials Science
WOS类目Materials Science, Ceramics
项目资助者National 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记录号WOS:000367277000066
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/20246
专题多相复杂系统国家重点实验室
作者单位1.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
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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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