Contribution to the Percolation Threshold Study of Silicon Carbide Filled Polydimethylsiloxane Composites Used For Field Grading Application - Laboratoire Charles Coulomb (L2C) Access content directly
Journal Articles Silicon Year : 2023

Contribution to the Percolation Threshold Study of Silicon Carbide Filled Polydimethylsiloxane Composites Used For Field Grading Application

Abstract

Nonlinear V-I characteristics of particulate composite prepared from dispersion of silicon carbide in a siloxane elastomer have been measured as a function of filler concentration up to the maximum allowable of about 32 vol.%. Two critical concentrations (percolation thresholds) are obtained at volume fractions of about 17 and 24 vol.% for low and high electric fields. These values are consistent with the critical concentrations predicted by the theory: 14 and 31 vol.% respectively and may come from edge and face contacts between SiC semi-conducting particles.

Dates and versions

hal-04118312 , version 1 (06-06-2023)

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Renaud Metz, Hocine Merini, Jean-Michel Reboul, Jean-Louis Bantignies, Mehrdad Hassanzadeh. Contribution to the Percolation Threshold Study of Silicon Carbide Filled Polydimethylsiloxane Composites Used For Field Grading Application. Silicon, 2023, ⟨10.1007/s12633-023-02424-4⟩. ⟨hal-04118312⟩
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