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|a Mutiso, Rose M.
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|a Massachusetts Institute of Technology. Department of Materials Science and Engineering
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|a Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
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|a Li, Ju
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|a Sherrott, Michelle C.
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|a Li, Ju
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|a Winey, Karen I.
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|a Simulations and generalized model of the effect of filler size dispersity on electrical percolation in rod networks
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|b American Physical Society,
|c 2015-03-05T16:37:31Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/95875
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|a We present a three-dimensional simulation of electrical conductivity in isotropic, polydisperse rod networks from which we determine the percolation threshold (ϕ[subscript c]). Existing analytical models that account for size dispersity are formulated in the slender-rod limit and are less accurate for predicting ϕ[subscript c] in composites with rods of modest L/D. Using empirical approximations from our simulation data, we generalized the excluded volume percolation model to account for both finite L/D and size dispersity, providing a solution for ϕ[subscript c] of polydisperse rod networks that is quantitatively accurate across the entire L/D range.
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|a National Science Foundation (U.S.). Materials Research Science and Engineering Centers (Program) (Award DMR-11-20901)
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|a University of Pennsylvania. University Research Foundation
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|a en_US
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|a Article
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|t Physical Review B
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