CobaltMaghrebV1, Maroc, Analysis, bibRecord, 000107

Electrical resistivity of polymeric matrix loaded with nickel and cobalt powders

Identifieur interne : 000107 ( Maroc/Analysis ); précédent : 000106; suivant : 000108

Electrical resistivity of polymeric matrix loaded with nickel and cobalt powders

Auteurs : A. Maaroufi [Maroc] ; K. Haboubi [Maroc] ; A. El Amarti [Maroc] ; F. Carmona [France]

Source :

Journal of materials science [ 0022-2461 ] ; 2004.

RBID : Pascal:04-0487954

Descripteurs français

Pascal (Inist)
- Matériau composite, Epoxyde résine, Uréthanne polymère, Siloxane polymère, Matériau renforcé dispersion, Particule métallique, Cobalt, Nickel, Effet concentration, Conductivité électrique, Percolation, Matériau conducteur, Etude expérimentale.
Wicri :
- topic : Matériau composite, Cobalt, Nickel.

English descriptors

KwdEn :
- Cobalt, Composite material, Concentration effect, Conducting material, Dispersion reinforced material, Electrical conductivity, Epoxy resin, Experimental study, Metal particle, Nickel, Percolation, Polyurethane, Siloxane polymer.

Abstract

This paper reports on the electrical properties of various polymers (epoxy resin, silicone, polyurethane) filled with metal particles (Cobalt and Nickel). The results of this study give evidence of the expected non-conducting to conducting transition as the conducting filler volume fraction V_f is increased. The location of threshold is found to depend on the features and the properties of composite's constituents: the type, the viscosity and the surface tension of the matrix as well as the nature, the size, the shape, the geometry and the surface energy of the conducting particles and the composite porosity. The morphology of the filler particles and their dispersion in the matrix have been investigated by Optical and Scanning Electron Microscopies (SEM) and density measurements. The obtained results have been explained on the basis of the statistical percolation theory.

Affiliations:

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000207
to stream PascalFrancis, to step Curation: 000088
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to stream Main, to step Merge: 000A23
to stream Main, to step Curation: 000A10
to stream Main, to step Exploration: 000A10
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Links to Exploration step

Pascal:04-0487954

Le document en format XML

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<front><div type="abstract" xml:lang="en">This paper reports on the electrical properties of various polymers (epoxy resin, silicone, polyurethane) filled with metal particles (Cobalt and Nickel). The results of this study give evidence of the expected non-conducting to conducting transition as the conducting filler volume fraction V<sub>f</sub>
 is increased. The location of threshold is found to depend on the features and the properties of composite's constituents: the type, the viscosity and the surface tension of the matrix as well as the nature, the size, the shape, the geometry and the surface energy of the conducting particles and the composite porosity. The morphology of the filler particles and their dispersion in the matrix have been investigated by Optical and Scanning Electron Microscopies (SEM) and density measurements. The obtained results have been explained on the basis of the statistical percolation theory.</div>
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Electrical resistivity of polymeric matrix loaded with nickel and cobalt powders

Electrical resistivity of polymeric matrix loaded with nickel and cobalt powders

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri