PIEZOELECTRIC PROPERTY OF 0-3 PIEZOELECTRIC CERAMIC/POLYMER COMPOSITES

PZN-PZT/PI,PZN-PZT/PVDF 0-3 piezoelectric composites were fabricated using solution blended and hot pressing processes. The piezoelectric constant d₃₃ and flexibility of the materials are excellent. The common character of 0-3 piezoelectric ceramic/polymer composites was discussed. The dependence of type and mass fraction of ceramic powder, type of polymer and poling parameters on the piezoelectric coefficient d₃₃ of piezoelectric composites was investigated. Some methods to improve the piezoelectric property of this kind of material were approached.