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piezoelectric voltage factor
相关语句
  压电电压常数
     The results show that the piezoelectric voltage factor g33 and the mechanical quality Qm decrease nonlinearly with the relative humidity increasing.
     结果表明:随着相对湿度的增大,压电电压常数g33与机械品质因数Qm呈非线性减小。
短句来源
     The results show that the piezoelectric voltage factor g_(33) decreases nonlinearly with the volume fraction of the piezoelectric ceramic phase increasing,but piezoelectric strain factor d_(33),dielectric constant and electromechanical coupling coefficient K_p and K_t increase.
     结果表明:随着PMN体积分数增大,压电应变常数d33呈非线性增大,压电电压常数g33呈非线性减小。
短句来源
  “piezoelectric voltage factor”译为未确定词的双语例句
     Compared with the piezoelectric voltage factor, the humidity has little effect on the piezoelectric strain factor d33 and the electromechanical coupling coefficients Kp and Kt.
     湿度对压电应变常数d33以及机电耦合系数Kp和Kt的影响较小。
短句来源
  相似匹配句对
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     压电陶瓷的δ—V曲线测试
短句来源
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Intelligent structures are attracting more attention of scientists and engineers in the field of civil engineering.In an intelligent structure,smart materials play animportant role,from which sensors and actuators are made.In order to solve the mismatch problem between smart materials and host materials,which is popular in the application of intelligent structures in the civil engineering field.Cement based materials were chosen to be the matrix of piezoelectric smart materials.Through adjusting the mix proportion...

Intelligent structures are attracting more attention of scientists and engineers in the field of civil engineering.In an intelligent structure,smart materials play animportant role,from which sensors and actuators are made.In order to solve the mismatch problem between smart materials and host materials,which is popular in the application of intelligent structures in the civil engineering field.Cement based materials were chosen to be the matrix of piezoelectric smart materials.Through adjusting the mix proportion and selecting the components of cement based matrix,problems of fabrication of 2 2 cement based piezoelectric composite were overcome.Using a testing system integrating computer,MTS tester,oscilloscope,signal generator,linear amplifier,HP IB interface hardware and software,the elastic,sensory and actuating properties were studied.The following results can be obtained.The composite is linearly elastic.The sensory and actuating properties have obvious dependence on frequency.In the range of ultra low frequency,the magnitude of piezoelectric voltage factor of the composite increases linearly with frequency,the phase increases quickly at first,but then approaches to a constant,The piezoelectric properties of the composite are similar to those of polymer/ceramic piezoelectric composites.

在土木工程领域中 ,智能结构系统越来越受到人们的重视 ,而在智能结构系统中机敏材料是不可缺的元素 ,它是构成智能结构中的传感器和驱动器的关键材料。针对目前土木工程领域智能结构中存在的结构材料与机敏材料相容性差问题 ,采用水泥基材料作为压电机敏复合材料的基体 ,通过调节水泥基材料组分和比例 ,克服水泥基材料与压电陶瓷在密度上的悬殊差异为材料准备带来的困难 ,制备出 2 - 2型水泥基压电机敏复合材料。同时 ,采用集成了微型计算机、MTS自动伺服试验机、示波器、信号发生器、线性放大器和 HP- IB界面的测试系统测量 2 -2型水泥基压电复合材料的弹性性能、传感性能和驱动性能。实验结果表明 ,在实验范围里 ,该材料具有线弹性性能 ;传感性能和驱动性能具有明显的频率依赖性 ;在超低频范围内 ,2 - 2型水泥基压电复合材料的压电电压系数的模值随频率线性增大 ,相角随频率增大开始时增大较快 ,随后趋于一常数 ;2 - 2型水泥基压电复合材料的压电性能与聚合物基压电复合材料相似。

Composites with 1–3 connectivity were fabricated from Pb(Mg1/3Nb2/3)O3.PbTiO3.PbZrO3(PMN)and sulphoaluminate cement by the cut-filling process. Piezoelectric and dielectric properties of the composites at varied relative humidity were investigated. The results show that the piezoelectric voltage factor g33 and the mechanical quality Qm decrease nonlinearly with the relative humidity increasing. Compared with the piezoelectric voltage factor, the humidity has little effect on the piezoelectric...

Composites with 1–3 connectivity were fabricated from Pb(Mg1/3Nb2/3)O3.PbTiO3.PbZrO3(PMN)and sulphoaluminate cement by the cut-filling process. Piezoelectric and dielectric properties of the composites at varied relative humidity were investigated. The results show that the piezoelectric voltage factor g33 and the mechanical quality Qm decrease nonlinearly with the relative humidity increasing. Compared with the piezoelectric voltage factor, the humidity has little effect on the piezoelectric strain factor d33 and the electromechanical coupling coefficients Kp and Kt. At lower and higher frequencies, the dielectric constant εr is nearly independent of the humidity below 85%, which indicates good dielectric-frequency stability.

用切割–填充法,以硫铝酸盐水泥为基体,铌镁锆钛酸铅[Pb(Mg1/3Nb2/3)O3·PbTiO3·PbZrO3](PMN)为压电功能体制备了1–3型硫铝酸盐水泥基压电复合材料。研究了环境湿度对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。结果表明:随着相对湿度的增大,压电电压常数g33与机械品质因数Qm呈非线性减小。湿度对压电应变常数d33以及机电耦合系数Kp和Kt的影响较小。在低频和高频段,当相对湿度低于85%时,介电常数εr基本不受湿度的影响,表现出良好的介频稳定性。

Composites of 1-3 type were fabricated from PMN and sulphoaluminate cement by cut-filling process.Volume fraction dependence of the piezoelectric and dielectric properties of 1-3 type piezoelectric composites is studied.The results show that the piezoelectric voltage factor g_(33) decreases nonlinearly with the volume fraction of the piezoelectric ceramic phase increasing,but piezoelectric strain factor d_(33),dielectric constant and electromechanical coupling coefficient K_p and K_t...

Composites of 1-3 type were fabricated from PMN and sulphoaluminate cement by cut-filling process.Volume fraction dependence of the piezoelectric and dielectric properties of 1-3 type piezoelectric composites is studied.The results show that the piezoelectric voltage factor g_(33) decreases nonlinearly with the volume fraction of the piezoelectric ceramic phase increasing,but piezoelectric strain factor d_(33),dielectric constant and electromechanical coupling coefficient K_p and K_t increase.At lower and higher frequencies,the dielectric constant changes steadily,which exhibits good dielectric-frequency stability.

采用切割-填充法,以硫铝酸盐水泥为基体,铌镁锆钛酸铅(简称PMN)为压电功能体制备了1-3型硫铝酸盐水泥基压电复合材料。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。结果表明:随着PMN体积分数增大,压电应变常数d33呈非线性增大,压电电压常数g33呈非线性减小。平面和厚度机电耦合系数Kp和Kt及介电常数εr随PMN体积分数的增大而增大,在低频段和高频段,其介电常数随频率的变化较平稳,表现出良好的介电频率稳定性。

 
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