Microstructural evolution and high-temperature oxidation behavior of plasma sprayed SiC-YSZ TBCs

doi:10.1016/j.matchar.2024.114211

IMR OpenIR

	Microstructural evolution and high-temperature oxidation behavior of plasma sprayed SiC-YSZ TBCs
	Gong, Jianping 1; Du, Jiaojiao 2; Wang, Jichun 1; Gao, Pengfei 1; Xue, Bing 3; Wang, Xiaoming 4; Yang, Baijun 5
通讯作者	Wang, Xiaoming(uwangxm@126.com) ; Yang, Baijun(bjyang@ustc.edu.cn)
	2024-09-01
发表期刊	MATERIALS CHARACTERIZATION
ISSN	1044-5803
卷号	215 页码:10
摘要	In this work, the effect of SiC addition on the microstructure, porosity, phase composition, weight gain, and thickness of TGO of the coatings after repeated oxidation at 1300 degrees C for various time of APS SiC-YSZ TBCs have been investigated. The phase of the as-sprayed coatings is consisted of t'-ZrO2, SiC and very little SiO2. With the increase of SiC addition, the diffraction peak intensity of SiC and SiO2 are both increased. SiC and SiO2 can fill into the pores in YSZ effectively. However, the porosity in the coatings has little changed with the increased of SiC addition. The addition of SiC during repeated oxidation at 1300 degrees C can limit the development of the m-ZrO2 phase while causing no ZrO2 lattice deformation. Increasing the SiC addition can impede the growth of TGO between the bonding layer and the ceramic layer, lowering the thermal weight gain rate of the SiC-YSZ coating. The lowest thermal weight gain rate occurs when the SiC composite concentration is 15 wt%. When the composite content of SiC is increased by 10 wt%, the percentage of O element at the interface between the bonding layer and the ceramic layer decreases by approximately 6.56 wt%. Increasing the SiC concentration will improve the compactness of the interface between the bonding and ceramic layers, and limit grain formation in the bonding layer. However, the SiC composite composition must match the ceramic coating's porosity. When the SiC percentage is too low, the ceramic layer's porosity increases and TGO development accelerates. When the SiC concentration is too high, it agglomerates and connects within the coating, causing the coating to fail off during high temperature service.
关键词	TBCs SiC-YSZ Plasma spray High-temperature oxidation TGO
资助者	National Natural Science Foundation of China ; Open Project of State Key Laboratory of Solid Lubrication ; Open Project of Key Laboratory of Ministry of Education ; National College Student Innovation and Entrepreneurship Training Program ; Experimental Technology Research Project of Southwest University of Science and Technology
DOI	10.1016/j.matchar.2024.114211
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51904251] ; Open Project of State Key Laboratory of Solid Lubrication[LSL-2316] ; Open Project of Key Laboratory of Ministry of Education[EPM-010] ; National College Student Innovation and Entrepreneurship Training Program[202310619018] ; Experimental Technology Research Project of Southwest University of Science and Technology[21syjs01]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Materials Science, Characterization & Testing
WOS记录号	WOS:001280770600001
出版者	ELSEVIER SCIENCE INC
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/188631
专题	中国科学院金属研究所
通讯作者	Wang, Xiaoming; Yang, Baijun
作者单位	1.Southwest Univ Sci & Technol, Sch Mat & Chem, Mianyang 621010, Peoples R China 2.Yangzhou Univ, Sch Mech Engn, Yangzhou 225000, Peoples R China 3.Southwest Univ Sci & Technol, Sch Environm & Resource, Mianyang 621010, Peoples R China 4.Army Acad Armored Forces, Natl Key Lab Remfg, Beijing 100072, Peoples R China 5.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Gong, Jianping,Du, Jiaojiao,Wang, Jichun,et al. Microstructural evolution and high-temperature oxidation behavior of plasma sprayed SiC-YSZ TBCs[J]. MATERIALS CHARACTERIZATION,2024,215:10.
APA	Gong, Jianping.,Du, Jiaojiao.,Wang, Jichun.,Gao, Pengfei.,Xue, Bing.,...&Yang, Baijun.(2024).Microstructural evolution and high-temperature oxidation behavior of plasma sprayed SiC-YSZ TBCs.MATERIALS CHARACTERIZATION,215,10.
MLA	Gong, Jianping,et al."Microstructural evolution and high-temperature oxidation behavior of plasma sprayed SiC-YSZ TBCs".MATERIALS CHARACTERIZATION 215(2024):10.