【摘要】 详细地叙述了室温压挤成形———固化工艺制备 0 -3型压电复合材料工艺 ,使用XRD、SEM和HP42 94测试并分析了样品的结构和性能 ,并与压电陶瓷性能参数进行了对比 ;同时用这种工艺制备可以获得介电损耗小、机电耦合系数为 2 5 .11%、压电应变常数为 3 2PC N和机电品质因数可达到 3 0 2的 0— 3型压电复合材料。更多还原

【Abstract】 0-3 type piezoelectric composites prepared by extrusion molding-solidity is narrated in detail.Sample’s structure is investigated via XRD and SEM and its properties which are analyzed with HP4294 are compared with piezoelectric ceramics.Besides,0-3 type piezoelectric composites prepared by this way is of low loss tangent,the mechanical quality factor 302,piezoelectric D_ 33 constant 32 PC/N and mechanical couping coeffcient 25.11%.更多还原