Effect of Poling Temperature on the Barium Ferrite Modified 0-3 Cement-Based Piezoelectric Composites

Abstract:

A barium ferrite modified 0–3 cement-based piezoelectric composite was fabricated with piezoelectric ceramic [0.08Pb(Li1/4Nb3/4)O•0.47PbTiO3•0.45PbZrO3], sulphoaluminate cement and barium ferrite by compressing technique. It is well known that in the process of making piezoelectric composites，polarization is very critical, which is the process of domain structure's motion and development in a piezoelectric composites. Without the polarization, the composites will have no piezoelectric properties. So the influences of poling temperature on the piezoelectric and dielectric properties, electromechanical coupling property and acoustic impedance were investigated. And the poling temperature were selected at 30°C、50°C and 80°C. The results showed that the optimum poling temperature were 80°C.

• Periodical: Applied Mechanics and Materials (Volumes 174-177)
• Pages: 1394-1397
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.174-177.1394
• Online since: May 2012
• Authors: Shi Feng Huang, Mi Mi Li, Dong Yu Xu
• Keywords: Barium Ferrite, Piezoelectric Composites, Poling Temperature, Property Analysis, Sulphoaluminate Cement

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