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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.
Corresponding AuthorZhou, Y. C.(yczhou@imr.ac.cn)
2007-08-15
Source PublicationJOURNAL OF APPLIED PHYSICS
ISSN0021-8979
Volume102Issue:4Pages:6
AbstractThis 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.
DOI10.1063/1.2773679
Indexed BySCI
Language英语
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000249156200049
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:24[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/90730
Collection中国科学院金属研究所
Corresponding AuthorZhou, Y. C.
Affiliation1.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
Recommended Citation
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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