Prediction of the In-Plane Electrical Conductivity of a Misoriented Short Fiber Composite: Fiber Percolation Model Versus Effective Medium Theory

[+] Author and Article Information
Minoru Taya

Department of Mechanical Engineering, University of Washington, Seattle, WA 98195

Naoki Ueda

Kureha Chemical Industry Co. Ltd., Ibaraki Research Laboratory, 18-66 Kamitamari, Tamari, Niihari, Ibaraki-Pref. 311–34, Japan

J. Eng. Mater. Technol 109(3), 252-256 (Jul 01, 1987) (5 pages) doi:10.1115/1.3225972 History: Received December 29, 1986; Online September 15, 2009


The in-plane electrical conductivity of a misoriented short fiber composite was studied both by fiber percolation model (FPM) and effective medium theory (EMT). A misoriented short fiber composite consists of insulating matrix and conductive short fibers, thus it exhibits a threshold behavior in the conductivity at a certain volume fraction of fibers. A comparison between FPM and EMT indicates that FPM can predict the threshold behavior well, while EPT fails, but it becomes valid at high volume fraction of fibers.

Copyright © 1987 by ASME
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