Effective thermal conductivity of particulate composite materials

被引：0
|
作者：
Barta, S [1 ]
Dieska, P [1 ]
机构：
[1] Slovak Univ Technol Bratislava, FEI, Dept Phys, Bratislava 81219, Slovakia
来源：
KOVOVE MATERIALY-METALLIC MATERIALS | 2002年 / 40卷 / 02期
关键词：
thermal conductivity; effective thermal conductivity; volume fraction; percolation threshold; percolation phase transition;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
On the basis of a mean field approximation method (MFAM) the formula for effective thermal conductivity of particulate composite was derived. In the case of binary system, it was shown that there exists the percolation phase transition. The MFAM gives only classical critical index t near to the percolation phase transition (critical region). That is the reason for a generalization of the formula for effective thermal conductivity by introducing parameter t dependent on the volume fraction and in the critical region complying with the results obtained by lattice Monte Carlo simulations.
引用
收藏
页码：99 / 112
页数：14
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