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Study on thermal shock behavior of YSZ abradable sealing coating prepared by mixed solution precursor plasma spraying

文献类型：期刊论文

作者Sun, X. M.3; Du, L. Z.3; Lan, H.2,3; Zhang, H. F.3; Liu, R. Y.3; Wang, Z. G.3; Fang, S. G.3; Huang, C. B.3; Liu, Z. A.1; Zhang, W. G.3
刊名SURFACE & COATINGS TECHNOLOGY
出版日期2020-09-15
卷号397页码:9
ISSN号0257-8972
关键词Mixed solution precursor plasma spraying Yttria-stabilized zirconia Abradable sealing coating Nanostructured coating Thermal shock
DOI10.1016/j.surfcoat.2020.126045
英文摘要In this study, a yttria-stabilized zirconia (YSZ) ceramic matrix abradable sealing coating named 8YSZ-5 was successfully prepared by mixed solution precursor plasma spraying, and its thermal shock behavior was studied in detail. During the thermal shock cycles, the microstructure, residual stress and phase stability of the 8YSZ-5 coating were examined by using scanning electron microscopy (SEM), transmission electron microscopy (TEM) and X-ray diffraction (XRD) technique. The results show that the 8YSZ-5 coating has excellent thermal shock resistance through a 200-cycle thermal shock test at 1150 degrees C. During the thermal shock cycles, the spallation only existed in a small scale in the edge of the 8YSZ-5 coating, and the coating always maintains a stable phase composition of tetragonal structure. The residual stress study shows that the in-plane residual stress of the 8YSZ-5 coating is detected to be compressive stress, which increases with increasing the thermal shock cycles. The microstructure analysis shows that as the thermal shock test progresses, the number of the pores in the coating gradually decreases due to their spontaneous closure and the average size of the grains gradually increases. The mechanical properties investigation shows that the hardness and surface friction coefficient of the 8YSZ-5 abradable sealing coating increase gradually, while the bond strength of the coating decreases by 50% after 200 thermal shock cycles. The implications of this study are important for the design of advanced abradable sealing coatings prepared by the mixed solution precursor plasma spraying technology.
WOS关键词BARRIER COATINGS ; TRIBOLOGICAL CHARACTERIZATION ; PHASE-STABILITY ; MICROSTRUCTURE ; DEPOSITION ; RESISTANCE ; PROPERTY ; MODULUS ; FAILURE
资助项目National Natural Science Foundation of China[51671180] ; National Key Research and Development Program of China[2018YFC1902401] ; Key Deployment Projects of the Chinese Academy of Sciences[ZDRW-CN-2019-01] ; Projects of the Innovation Academy for Green Manufacture, Chinese Academy of Sciences (IAGM)[2020DB04]
WOS研究方向Materials Science ; Physics
语种英语
出版者ELSEVIER SCIENCE SA
WOS记录号WOS:000543496400048
资助机构National Natural Science Foundation of China ; National Key Research and Development Program of China ; Key Deployment Projects of the Chinese Academy of Sciences ; Projects of the Innovation Academy for Green Manufacture, Chinese Academy of Sciences (IAGM)
源URL[http://ir.ipe.ac.cn/handle/122111/41325]  
专题中国科学院过程工程研究所
通讯作者Du, L. Z.
作者单位1.Qufu Normal Univ, Expt Teaching & Equipment Management Ctr, Qufu 273165, Shandong, Peoples R China
2.Chinese Acad Sci, Innovat Acad Green Manufacture, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Sun, X. M.,Du, L. Z.,Lan, H.,et al. Study on thermal shock behavior of YSZ abradable sealing coating prepared by mixed solution precursor plasma spraying[J]. SURFACE & COATINGS TECHNOLOGY,2020,397:9.
APA Sun, X. M..,Du, L. Z..,Lan, H..,Zhang, H. F..,Liu, R. Y..,...&Zhang, W. G..(2020).Study on thermal shock behavior of YSZ abradable sealing coating prepared by mixed solution precursor plasma spraying.SURFACE & COATINGS TECHNOLOGY,397,9.
MLA Sun, X. M.,et al."Study on thermal shock behavior of YSZ abradable sealing coating prepared by mixed solution precursor plasma spraying".SURFACE & COATINGS TECHNOLOGY 397(2020):9.

入库方式： OAI收割

来源：过程工程研究所

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