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Home  >  Journal list  >  MATERIALS TRANSACTIONS  >  Vol.49  No.4 (2008)  >  pp.733-736

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A New Approach to Predict the Thermal Conductivity of Composites with Coated Spherical Fillers and Imperfect Interface

Yong Kuk Park1), Jae-Kon Lee1) and Jin-Gon Kim1)
1) School of Mechanical and Automotive Engineering, Catholic University of Daegu

An examination of the concept of a microgeometry proposed by Benveniste reveals that the thermal conductivity of the concentric sphere adopted by generalized self-consistent model (GSCM) is equal to that of the composite. It is also noted that the thermal conductivities of the composite with spherical fillers predicted by GSCM and modified Eshelby model (MEM) are the same. These equivalencies enable to propose a simple and alternative approach for determining the thermal conductivity of the composite with multiply coated spherical fillers by applying MEM repeatedly. The present result is compared and shows the exact agreement with the results from literatures.

composite materials, thermal conductivity, coated spherical filler, imperfect interface, Eshelby model, Mori-Tanaka’s mean field approach, generalized self-consistent model

Received: June 19, 2007
Accepted: September 18, 2007 , Published online: March 25, 2008
Copyright (c) 2008 The Japan Institute of Metals



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