Effects of porosity and grain sizes on the dielectric and piezoelectric properties of porous PZT ceramics and their mechanism;
研究了复合材料的复合工艺、极化参数与压电陶瓷的含量对复合材料压电性能的影响。
The influence of different volume ratios on the dielectric and piezoelectric properties of the modified PZT/PVDF piezoelectric composites was analyzed by using HP4294A and ZJ-3A.
采用扫描电镜对材料的形貌进行了分析，并利用HP4294A，Z-3A型准静态测试仪等系统地研究了改性PZT体积分数对材料介电、压电性能的影响。
Their piezoelectric and dielectric properties relate to the structure characters such as suitable tetragonality.
它们的压电和介电性能与合适的四方性等结构特性有关。
From the analysis of dielectric and piezoelectric properties, there were no obvious differences in electric properties of PSTZT ceramics prepared by the two methods.
从介电性能和压电性能分析可以看出，两种工艺制备的PSTZT陶瓷样品的电学性能没有明显的区别。
Influences of different cement matrix and ceramic on the piezoelectric properties, dielectric properties and ferroelectric properties of the 0-3 cement-based piezoelectric composites are studied.
研究了五种不同水泥基体及三种不同陶瓷功能体对0 - 3型水泥基压电复合材料压电、介电、铁电性能的影响。
The influences of the carbon black on the piezoelectric and dielectric properties were studied as well.
也研究了碳黑对复合材料压电性能及介电性能的影响。
The influences of heating rate and soaking time on piezoelectric and dielectric properties were also studied.
并研究升温速度，保温时间对介电、压电性能的影响。
Volume fraction dependence of the piezoelectric and dielectric properties of 1-3 type piezoelectric composites is studied.
研究了压电陶瓷体积分数对1 - 3型水泥基压电复合材料的压电性能和介电性能的影响。
The effect of the polarization field on the piezoelectric and dielectric properties of PVDF films was also studied.
并探讨了极化电场对薄膜压电介电性能的影响。
Their piezoelectric and dielectric properties relate to the structure characters such as suitable tetragonality, moderate grain-size and Mn ions distributed on the grain boundary.
通过三个体系的比较，PLMN -PZT四元系材料适中的四方度、晶粒尺寸及晶界处锰的析出是它具有良好压电、介电性能的结构基础。
Their piezoelectric and dielectric properties relate to the structure characters such as suitable tetragonality, moderate grain-size and Mn ions distributed on the grain boundary.
通过三个体系的比较，PLMN -PZT四元系材料适中的四方度、晶粒尺寸及晶界处锰的析出是它具有良好压电、介电性能的结构基础。
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