Thermal shock resistance of ZnS wave-transparent ceramic considering the   effects of constraint and pneumatic pressure

doi:10.2109/jcersj2.122.688

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	Thermal shock resistance of ZnS wave-transparent ceramic considering the effects of constraint and pneumatic pressure
	Li, Weiguo ; Li, Dengjian ; Cheng, Tianbao ; Fang, Daining
刊名	journal of the ceramic society of japan
	2014
关键词	ZnS Thermal shock resistance Constraint Pneumatic pressure HIGH TEMPERATURE CERAMICS INFRARED WINDOW MATERIALS STRESS REDUCTION FACTOR FABRICATION WURTZITE FRACTURE DESIGN
DOI	10.2109/jcersj2.122.688
英文摘要	In order to study the combined effect of aerodynamic heating, pneumatic pressure and external constraint on the thermal shock resistance (TSR) of ZnS wave-transparent ceramic in its actual service process, the theoretical model is established by introducing the analytical solution of transient heat conduction problem of ZnS plate under aerodynamic heating into its thermal stress field model. The numerical simulation is also conducted not only to examine the theoretical model, but also to study how to improve the TSR. The influences of constraint and pneumatic pressure are studied and the effects of loosing constraint and active cooling are focused on. The study shows that the critical rupture temperature difference of simply supported ZnS plate will form wave peak; the TSR of ZnS plate is obviously optimized when loosing constraint method has been adopted, and the effect of pneumatic pressure on TSR is closely related to the change of failure region; active cooling is an effective way to improve the TSR of ZnS plate and the stronger pneumatic pressure, the better TSR, but active cooling can't be too violent. (C) 2014 The Ceramic Society of Japan. All rights reserved.; Materials Science, Ceramics; SCI(E); EI; 0; ARTICLE; wgli@cqu.edu.cn; 1428; 688-694; 122
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/388598]
专题	工学院
推荐引用方式 GB/T 7714	Li, Weiguo,Li, Dengjian,Cheng, Tianbao,et al. Thermal shock resistance of ZnS wave-transparent ceramic considering the effects of constraint and pneumatic pressure[J]. journal of the ceramic society of japan,2014.
APA	Li, Weiguo,Li, Dengjian,Cheng, Tianbao,&Fang, Daining.(2014).Thermal shock resistance of ZnS wave-transparent ceramic considering the effects of constraint and pneumatic pressure.journal of the ceramic society of japan.
MLA	Li, Weiguo,et al."Thermal shock resistance of ZnS wave-transparent ceramic considering the effects of constraint and pneumatic pressure".journal of the ceramic society of japan (2014).