建立了含界面层的金属-绝缘体复合材料的有效电导模型.导出考虑“界面层”的金属-绝缘体复合材料的有效电导率的普适计算公式.并且考虑到金属粒子之间的相互影响,从二元无规混合物的两种拓扑结构出发,用自洽的方法修正了该公式.本文作者用该模型分析了银-酚醛塑料复合材料的有效电导率,与实验结果符合较好.
参考文献
[1] | 熊传溪,闻荻江.聚丙烯-锡复合材料的研究[J].复合材料学报,1999,16(3):40-45. |
[2] | Fan Q L, Xiao X C, Hu X F, Guo J K. Calculating method of the equivalent thermal conductivity of functionally gradient materials[J]. Mater Sci Eng A, 1999, 261(1): 84. |
[3] | Fan Q L, Hu X F, Guo J K. Mechanism of electric conductivity and thermal conductivity of Ni-ZrO2 composites[J]. Sci China A,1995, 25(7): 778. |
[4] | Ma Y Q, Li Z Y. Effective-medium theory for two-phase random composites system. Acta Physica Sinica, 1990, 39 ( 3 ):458. |
[5] | Grannan D M, Garland J C, Tanner D B. Critical behavior of the dielectric constant of a random composite near the percolation threshold[J]. Phys Rev Lett, 1981, 46(5): 375-378. |
[6] | Miyasaka K, Watanabe K, Jojima E, et al. Electrical conductivity of carbon-polymer composites as a function of carbon content[J].J Mater Sci, 1982, 17(7): 1610. |
[7] | Shaul M. Electrical resistivity of a composite of conductivity of conducting particles in an insulating matrix[J]. J Appl Phys,1972, 43(5): 2463. |
[8] | Lamb W, Wood D M, Ashcroft N W. In electrical transport and optical properties of inhomogeneous media[M]. New Work: Academic Press,1978. 240. |
[9] | Landauer R. In electrical transport and optical properties of inhomogeneous media [M]. New Work: Academic Press, 1978. 40(1). 2. |
[10] | 雀部博之(日).导电高分子材料[M].北京:科学出版社,1989.209. |
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