Dielectric and Mechanical Properties of Mullite/Modified BaTiO₃ Composites

Abstract:

Composites between mullite and modified BT were prepared by a conventional technique. The samples were calcined at 1300 °C for 2 h. The composites were sintered at 1250 °C for 2 h. The dielectric and mechanical properties the samples were investigated. The mechanical properties were found to improve after sintering at a suitable temperature. Addition of the BT produced an improvement in dielectric constant due to the BT has high piezoelectric properties. A higher dielectric constant for a sample contained higher amount of the BT was related with a higher polarization in the samples.

• Periodical: Key Engineering Materials (Volumes 675-676)
• Pages: 501-504
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.675-676.501
• Online since: January 2016
• Authors: Narumon Lertcumfu*, Kachaporn Sanjoom, Pongthep Arkornsakul, Denis Russell Sweatman, Thanatep Phatungthane, Komsanti Chokethawai, Gobwut Rujijanagul
• Keywords: BaTiO₃, Composites, Dielectric Properties, Mullite

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