Investigation into the processing and characterisation of piezoelectric nanocomposites

Reference:

Panteny, S. R., Bowen, C. R. and Stevens, R., 2002. Investigation into the processing and characterisation of piezoelectric nanocomposites. Advances in Composite Materials and Structures, Parts 1 and 2, 206-2, pp. 1313-1316.

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Abstract

The results from the characterisation of the 'nanocomposite' barium titanate-silicon carbide in terms of dielectric properties and microstructure is presented. Although a grain size reduction indicates a possible mechanical property improvement, chemical reactions occur and the barium titanate is reduced to a semiconductor/conductor that is unsuitable for dielectric applications. Work is also focused on the addition of silver into a barium titanate matrix, which show an increase in the permittivity with increased silver content (up to 20wt%).

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