描述压电体的力学量和电学量之间的线性响应关系的比例常数称为压电常数。 压电常数是压电体所特有的一组参数，是三阶张量，它反映了压电体的力学性质与介电性质之间的耦合关系。
文章详细信息 关键词： PZT;;掺杂;;压电常数;;钨铜酸钡 [gap=614]Keywords: PZT;impurity;piezoelectric constant;barium tungsten-cuprum
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... piezoelectric constant 压电陶瓷 piezoelectric crystal 压电常数 piezoelectric effect 压电晶体 ...
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压电电压常数 [电] Piezoelectric voltage constant ; G ; Piezoelectric Voltage Coefficient
压电应力常数 [物] Piezoelectric stress constant
电压常数 [电] voltage constant
压电劲度常数 Piezoelectric stiffness constant
压电应变常数 [物] piezoelectric strain constant ; PIEZOELECTRIC CONSTANT ; D
压电电压常数G PIEZOELECTRIC VOLTAGE CONSTANT
压电耦合常数 piezoelectric coupling constant
压电刚度常数 Piezoelectric stiffness constant
In this case,the ceramics sintered at 1200℃ had the highest electromechanical coupling coefficients and piezoelectric constant,the least dielectric loss and proper dielectric constant.
实验结果表明,此四元系材料具有较宽的烧结温度范围;在1200℃烧结工艺条件下,材料的机电耦合系数与压电常数最大,介电损耗最小,介电常数适中。
参考来源 - PMSThe results show that the piezoelectric constant d33,planar electromechanical coefficient kp,thickness electromechanical coefficient kt,dielectric permittivity εr,dielectric loss are 152,0.24,0.474,1 250 and 0.04,respectively.
结果表明,该体系陶瓷在x=0.06时,其压电常数d33,机电耦合系数kp,厚度耦合系数kt,相对介电常数rε,介质损耗tgδ,分别为152,0.24,0.47,1 250,0.04。
参考来源 - 钡钙锶共掺杂钛酸铋钠无铅压电陶瓷的制备及性能·2,447,543篇论文数据，部分数据来源于NoteExpress
大功率压电陶瓷要求材料不但在强场下有小的介质损耗，大的机械品质因数，同时兼备一定的压电常数和机电耦合系数。
High-power piezoelectric ceramics are desirable to combine a high mechanical quality factor(Qm) with a high piezoelectric constant(d 33) and a high planar coupling factor(Kp).
给出了它们的弹性刚度常数和压电应力常数。
The elastic stiffness constants and piezoelectric stress constants of these crystals have been obtained.
本文从压电学的基本定义出发，推导出两相系0—3型连通性复合压电材料的压电应变常数表达式，进一步修正了T。
This paper deducts the piezo-constant expression of 0-3 type connectivity according to the basic definition of piezoelectricity, and amends the flaw of T.
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