运用热压成型工艺制备了0-3型0.5PZT/xC/(0.5-x)PVDF(x=0.002~0.016)压电复合材料,研究了复合材料的极化、压电和介电性能.结果表明:适量石墨的加入,可以明显提高复合材料的极化性能.随着石墨含量的增加,复合材料的压电系数、机电耦合系数升高,机械品质因数降低;当石墨含量x=0.008时,三者都达到极值.复合材料的介电常数和损耗随着石墨含量的增大而上升.
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