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Cited by 401

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Resistivities of conductive composites

Ruschau, G. R., Yoshikawa, S., Newnham, R. E.·1992·Journal of Applied Physics

Abstract

A steady-state model for the resistivity of composites is presented, based on the idea that the resistance through a composite is the result of a series of a large number of resistors combined in series and parallel. There are three separate contributions to the resistance: constriction resistance at the contacts, tunneling resistance at the contacts, and the intrinsic filler resistance through each particle, with tunneling resistance generally dominating the magnitude of the overall resistance. The model predicts resistivity increases with increasing filler hardness and/or elastic modulus and insulating film thickness, while resistivity decreases with increasing particle size and intrinsic stress. The room-temperature dc resistivity behavior of conductor-filled silicone rubber composites was investigated to verify the model. Comparison of the model to this experimental data showed that good agreement could be obtained for filler materials in which the tarnish layer was a known quantity for a given powder; for other cases, the experimental values were higher than predicted.

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Crossref · 10.1063/1.352350

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Metadata

Authors
Ruschau, G. R., Yoshikawa, S., & Newnham, R. E.
Venue
Journal of Applied Physics
Published
1992-08-01
Volume
72
Issue
3
Pages
953-959
ISSN
  • 0021-8979 (ISSN-L)
  • 1089-7550
OpenAlex
W1976577553
Cited by
401
References
1
FWCI
2.33
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Resistivities of conductive composites. https://app.cochat.ai/papers/10.1063/1.352350
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Ruschau, G. R., Yoshikawa, S., & Newnham, R. E. (1992). Resistivities of conductive composites. Journal of Applied Physics. https://doi.org/10.1063/1.352350

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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