Microstructure and Thermal Cycling Behavior of Air Plasma-Sprayed YSZ/LaMgAl(11)O(19) Composite Coatings

	Microstructure and Thermal Cycling Behavior of Air Plasma-Sprayed YSZ/LaMgAl(11)O(19) Composite Coatings
	Chen XL ; Zou BL ; Wang Y ; Ma HM ; Cao XQ
刊名	journal of thermal spray technology
	2011
卷号	20 期号:6 页码:1328-1338
关键词	BARRIER-COATINGS MAGNETOPLUMBITE STRUCTURE LANTHANUM HEXAALUMINATE TRANSFORMATION HEXALUMINATE TEMPERATURE RESISTANCE SYSTEMS YTTRIA CRACKS
ISSN号	1059-9630
通讯作者	chen xl
中文摘要	yttria-stabilized zirconia (ysz) based composite coatings with the addition of lamgal(11)o(19) (lama) as the secondary phase, were prepared by air plasma spraying in order to improve the performances of the traditional ysz coating. results indicate that the newly developed composite coating shows increased vertical crack density with the enhancement of the lama content during thermal cycling process, which results in increased strain tolerance and service lifetime. however, such composite coatings about 200 mu m thick, exhibit inferior thermal cycling lifetimes with respect to the typical ysz coating for surface temperatures above 1400 a degrees c. the presence of amorphous lama phase in the composite coating results in increased thermal conductivity and a relative thin top coat leading to a reduced thermal insulation efficiency. these are believed to be responsible for the premature degradation of bond coat and final top coat spallation failure. such an investigation gives useful guidelines to develop advanced composite coatings based on ysz/lama systems.
收录类别	SCI收录期刊论文
语种	英语
公开日期	2012-06-07
内容类型	期刊论文
源URL	[http://ir.ciac.jl.cn/handle/322003/44197]
专题	长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式 GB/T 7714	Chen XL,Zou BL,Wang Y,et al. Microstructure and Thermal Cycling Behavior of Air Plasma-Sprayed YSZ/LaMgAl(11)O(19) Composite Coatings[J]. journal of thermal spray technology,2011,20(6):1328-1338.
APA	Chen XL,Zou BL,Wang Y,Ma HM,&Cao XQ.(2011).Microstructure and Thermal Cycling Behavior of Air Plasma-Sprayed YSZ/LaMgAl(11)O(19) Composite Coatings.journal of thermal spray technology,20(6),1328-1338.
MLA	Chen XL,et al."Microstructure and Thermal Cycling Behavior of Air Plasma-Sprayed YSZ/LaMgAl(11)O(19) Composite Coatings".journal of thermal spray technology 20.6(2011):1328-1338.