Special features of percolation estimation of the conductivity of disperse and bidisperse systems

Special features of percolation estimation of the conductivity of disperse and bidisperse systems It is shown that estimation of the conductivity of heterogeneous systems requires that the threshold concentration of the conducting component and the specific density of the packing of its particles be allowed for. An expression is obtained for calculating the threshold concentration for bidisperse systems as a function of the ratio of the sizes of the components. The calculated and experimental data agree satisfactorily. The suggested expressions are recommended for determining and estimating the conductivity of ceramic and composite materials. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Refractories and Industrial Ceramics Springer Journals

Special features of percolation estimation of the conductivity of disperse and bidisperse systems

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Publisher
Springer US
Copyright
Copyright © 1998 by Plenum Publishing Corporationn
Subject
Chemistry; Characterization and Evaluation of Materials; Materials Science; Ceramics, Glass, Composites, Natural Methods
ISSN
1083-4877
eISSN
1573-9139
D.O.I.
10.1007/BF02764275
Publisher site
See Article on Publisher Site

Abstract

It is shown that estimation of the conductivity of heterogeneous systems requires that the threshold concentration of the conducting component and the specific density of the packing of its particles be allowed for. An expression is obtained for calculating the threshold concentration for bidisperse systems as a function of the ratio of the sizes of the components. The calculated and experimental data agree satisfactorily. The suggested expressions are recommended for determining and estimating the conductivity of ceramic and composite materials.

Journal

Refractories and Industrial CeramicsSpringer Journals

Published: Nov 22, 2007

References

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