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	Effect of residual interface stresses on effective specific heats of multiphase thermoelastic nanocomposites
	Chen, Y.Q. ; Huang, R.C. ; Huang, Z.P.
	2014
DOI	10.1007/s00707-013-1061-5
英文摘要	The interface energy theory developed by Huang et al. is further extended to incorporate the effect of the residual interface stresses on the effective specific heats of multiphase thermoelastic nanocomposites. First, a micromechanics-based method is employed to derive the expressions of the effective specific heats at constant-strain and constant-stress of the composites. Second, in order to take into account the influence of the interface stresses on the overall properties of the nanocomposites, a thermoelastic interface constitutive relation expressed in terms of the first Piola-Kirchhoff interface stresses and the Lagrangian description of the generalized Young-Laplace equations are presented. Finally, by means of the Helmholtz free energy of the 'equivalent inclusion' (the inclusion together with its interface), analytical expressions of the size-dependent effective specific heats of the nanocomposites are obtained. The model is illustrated by an example of a 'three-phase thermoelastic composite' showing that the overall properties of the nanocomposites are influenced by the 'residual interface stresses,' which was sometimes ignored in the literature. ? 2014 Springer-Verlag Wien.; EI; 4-5; 1107-1119; 225
语种	英语
内容类型	会议论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/461499]
专题	工学院
推荐引用方式 GB/T 7714	Chen, Y.Q.,Huang, R.C.,Huang, Z.P.. Effect of residual interface stresses on effective specific heats of multiphase thermoelastic nanocomposites[C]. 见:.

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