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	Elastic and thermal properties of zr2al3c4: experimental investigations and ab initio calculations
	He, L. F.; Wang, J. Y.; Bao, Y. W.; Zhou, Y. C.
刊名	Journal of applied physics
	2007-08-15
卷号	102期号:4页码:6
ISSN号	0021-8979
DOI	10.1063/1.2773679
通讯作者	Zhou, y. c.(yczhou@imr.ac.cn)
英文摘要	This article presents the results of combined experimental and theoretical studies of elastic and thermal properties of zr2al3c4 carbide. the full set of second order elastic constants, bulk modulus, shear modulus, and young's modulus of zr2al3c4 were calculated and compared with those of zr3al3c5 and zrc. the experimentally measured young's modulus and shear modulus are in good agreement with theoretical ones. the calculated debye temperature from elastic constants of zr2al3c4 is 830 k, which is slightly higher than that of zr3al3c5, and exhibits pronounced enhancement in comparison with that of zrc. the highest debye temperature of zr2al3c4 is related with its highest specific stiffness, i.e., the stiffness-to-weight ratio. the heat capacity and thermal conductivity of zr2al3c4 were measured by means of the flash method. the thermal conductivity of zr2al3c4 decreases with increasing temperature, for instance the values at room temperature and 1600 k are 15.5 and 10.1 w/m k, respectively. the investigations provide information on elastic and thermal properties of zr2al3c4 with promising high temperature applications. (c) 2007 american institute of physics.
WOS关键词	MECHANICAL-PROPERTIES ; CONDUCTIVITY ; TEMPERATURE ; OXIDATION ; CONSTANTS ; CERAMICS
WOS研究方向	Physics
WOS类目	Physics, Applied
语种	英语
出版者	AMER INST PHYSICS
WOS记录号	WOS:000249156200049
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2380980
专题	中国科学院大学
通讯作者	Zhou, Y. C.
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 1000399, Peoples R China
推荐引用方式 GB/T 7714	He, L. F.,Wang, J. Y.,Bao, Y. W.,et al. Elastic and thermal properties of zr2al3c4: experimental investigations and ab initio calculations[J]. Journal of applied physics,2007,102(4):6.
APA	He, L. F.,Wang, J. Y.,Bao, Y. W.,&Zhou, Y. C..(2007).Elastic and thermal properties of zr2al3c4: experimental investigations and ab initio calculations.Journal of applied physics,102(4),6.
MLA	He, L. F.,et al."Elastic and thermal properties of zr2al3c4: experimental investigations and ab initio calculations".Journal of applied physics 102.4(2007):6.

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