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Tunneling Conductivity and Piezoresistivity of Composites Containing Randomly Dispersed Conductive Nano-Platelets

In this study, a three-dimensional continuum percolation model was developed based on a Monte Carlo simulation approach to investigate the percolation behavior of an electrically insulating matrix reinforced with conductive nano-platelet fillers. The conductivity behavior of composites rendered cond...

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Detalles Bibliográficos
Autores principales: Oskouyi, Amirhossein Biabangard, Sundararaj, Uttandaraman, Mertiny, Pierre
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5453361/
https://www.ncbi.nlm.nih.gov/pubmed/28788580
http://dx.doi.org/10.3390/ma7042501
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author Oskouyi, Amirhossein Biabangard
Sundararaj, Uttandaraman
Mertiny, Pierre
author_facet Oskouyi, Amirhossein Biabangard
Sundararaj, Uttandaraman
Mertiny, Pierre
author_sort Oskouyi, Amirhossein Biabangard
collection PubMed
description In this study, a three-dimensional continuum percolation model was developed based on a Monte Carlo simulation approach to investigate the percolation behavior of an electrically insulating matrix reinforced with conductive nano-platelet fillers. The conductivity behavior of composites rendered conductive by randomly dispersed conductive platelets was modeled by developing a three-dimensional finite element resistor network. Parameters related to the percolation threshold and a power-low describing the conductivity behavior were determined. The piezoresistivity behavior of conductive composites was studied employing a reoriented resistor network emulating a conductive composite subjected to mechanical strain. The effects of the governing parameters, i.e., electron tunneling distance, conductive particle aspect ratio and size effects on conductivity behavior were examined.
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spelling pubmed-54533612017-07-28 Tunneling Conductivity and Piezoresistivity of Composites Containing Randomly Dispersed Conductive Nano-Platelets Oskouyi, Amirhossein Biabangard Sundararaj, Uttandaraman Mertiny, Pierre Materials (Basel) Article In this study, a three-dimensional continuum percolation model was developed based on a Monte Carlo simulation approach to investigate the percolation behavior of an electrically insulating matrix reinforced with conductive nano-platelet fillers. The conductivity behavior of composites rendered conductive by randomly dispersed conductive platelets was modeled by developing a three-dimensional finite element resistor network. Parameters related to the percolation threshold and a power-low describing the conductivity behavior were determined. The piezoresistivity behavior of conductive composites was studied employing a reoriented resistor network emulating a conductive composite subjected to mechanical strain. The effects of the governing parameters, i.e., electron tunneling distance, conductive particle aspect ratio and size effects on conductivity behavior were examined. MDPI 2014-03-28 /pmc/articles/PMC5453361/ /pubmed/28788580 http://dx.doi.org/10.3390/ma7042501 Text en © 2014 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).
spellingShingle Article
Oskouyi, Amirhossein Biabangard
Sundararaj, Uttandaraman
Mertiny, Pierre
Tunneling Conductivity and Piezoresistivity of Composites Containing Randomly Dispersed Conductive Nano-Platelets
title Tunneling Conductivity and Piezoresistivity of Composites Containing Randomly Dispersed Conductive Nano-Platelets
title_full Tunneling Conductivity and Piezoresistivity of Composites Containing Randomly Dispersed Conductive Nano-Platelets
title_fullStr Tunneling Conductivity and Piezoresistivity of Composites Containing Randomly Dispersed Conductive Nano-Platelets
title_full_unstemmed Tunneling Conductivity and Piezoresistivity of Composites Containing Randomly Dispersed Conductive Nano-Platelets
title_short Tunneling Conductivity and Piezoresistivity of Composites Containing Randomly Dispersed Conductive Nano-Platelets
title_sort tunneling conductivity and piezoresistivity of composites containing randomly dispersed conductive nano-platelets
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5453361/
https://www.ncbi.nlm.nih.gov/pubmed/28788580
http://dx.doi.org/10.3390/ma7042501
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