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	Effect of MgO doping on the thermal conductivity of SM2Zr2O7
	Qu Zhixue ; Wan Chunlei ; Pan Wei
	2010-05-10 ; 2010-05-10
关键词	thermal barrier coatings rare-earth zirconates doping thermal conductivity SYSTEM Materials Science, Multidisciplinary Metallurgy & Metallurgical Engineering
中文摘要	In order to reduce the thermal conductivity of rare-earth zirconates further, doping method was used to alter the concentration of defects in crystal, and effect of MgO doping on the thermal diffusivity and thermal conductivity of Sm2Zr2O7 was investigated. The samples were prepared by solid state reaction at 1600 degrees C for 10 h in air, and are all single phase with pyrochlore structure. Thermal conductivities of the samples were determined from the data of thermal diffusivity, specific heat capacity and density. The results have shown that the thermal conductivity does not decrease with increasing doping content of MgO as expected, but increase with a change of slope which turns up within the composition range of 0.075 similar to 0.100. It may be attributed to the solution mechanism of MgO and its variation.
语种	中文 ; 中文
出版者	NORTHWEST INST NONFERROUS METAL RESEARCH ; SHAANXI ; C/O RARE METAL MATERIAL ENGINEERING PRESS, PO BOX 51, XIAN, SHAANXI 710016, PEOPLES R CHINA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/20506]
专题	清华大学
推荐引用方式 GB/T 7714	Qu Zhixue,Wan Chunlei,Pan Wei. Effect of MgO doping on the thermal conductivity of SM2Zr2O7[J],2010, 2010.
APA	Qu Zhixue,Wan Chunlei,&Pan Wei.(2010).Effect of MgO doping on the thermal conductivity of SM2Zr2O7..
MLA	Qu Zhixue,et al."Effect of MgO doping on the thermal conductivity of SM2Zr2O7".(2010).

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