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piezoelectric strain
相关语句
  压电应变
    Piezoelectric Strain Sensing Technologies in Smart Material and Structures
    智能材料结构中的压电应变传感技术
短句来源
    Based on the analogy between converse piezoelectric effect and thermoelastic effect,an applied electric field is input as a thermal load and piezoelectric strain coefficients characterizing an actuator are modeled as thermal expansion coefficients,thus thermoelastic finite element method can be employed to analyze converse piezoelectric effect.
    通过比较逆压电效应本构方程和热弹性本构方程,在线性范围内建立逆压电效应和热弹性效应的比拟关系:将驱动电压比拟为温度载荷,压电应变系数比拟为热膨胀系数,用热弹性有限元方法分析逆压电效应,并采用热弹性比拟方法求解基于长度伸缩逆压电效应和厚度剪切逆压电效应的驱动器问题,给出了平面结构“热-机-电”耦合问题的热弹性比拟求解方法。
短句来源
    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
    For the piezoelectric film with PZT of 50% volume fraction, the piezoelectric strain constant, planar electromechanical coupling coefficient increase while the mechanical quality factor decreases with the content of graphite.
    对PZT体积含量为50%的压电薄膜,其压电应变系数、平面机电耦合系数随PANI含量的增大而上升,而机械品质因数下降。
短句来源
    Effect of forming pressure on piezoelectric and dielectric properties of the composites are studied. The results show that the piezoelectric strain factor d_(33) and dielectric constantε_r increase with the forming pressure increasing, but the forming pressure has little effect on the electromechanical coupling coefficient.
    研究了成型压力对0-3型水泥基压电复合材料压电及介电性能的影响,结果表明,随着成型压力的增大,其压电应变常数d_(33)和介电常数ε_r均增大,而机电耦合性能则变化较小。
短句来源
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  “piezoelectric strain”译为未确定词的双语例句
    The properties(piezoelectric voltage constant g33=42.8 V·m/N,piezoelectric strain constant d33=30 pC/N)of the composite prepared by microwave irradiation technique are more suitable for hydrophone.
    但微波工艺合成的复合材料的界面结合更好,有利于压电陶瓷的极化,其压电电压系数g33达42.8(V.m/N),更适合作为接收型传感器。
短句来源
    The piezoelectric strain constant d33 was about 30 pC/N. Microwave irradiation technique improves the interfacial interaction between the piezoelectric ceramic powders and the matrix owing to physical effects,which is of benefit to pole the piezoelectric ceramic.
    研究表明,微波合成与热压工艺获得的复合材料性能明显优于冷压工艺,两者的压电应力常数d33均在30pC/N左右。
短句来源
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  piezoelectric strain
M?ssbauer spectroscopy, the piezoelectric strain tensor element d14 the elastic constant s55, and the dielectric function ?11 of the samples were examined.
      
In this study the function of the iron in the collagen structure was examined with the aim of increasing the value of the piezoelectric strain tensor element d14.
      
The study concludes that controlled modification of the MPB composition of PZT using 0.1 mol % CeO2 results in substantial enhancement of piezoelectric strain coefficients, dielectric constant and electromechanical coupling coefficients.
      
Third, the low resistivity of the composite prevents the poling process and reduces the piezoelectric strain constant.
      
It is found that piezoelectric strain constant decreases exponentially as the amount of doped piezomagnetic materials in the composite increases.
      
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PT powder was modified by KH-550. The piezoelectric strain constant, hot-resistant and the impact-resistant strength of the composite of PT/epoxy resin and the composite of modified PT/epoxy resin were measured and compared respectively. The influence of the intedece modification on the piezoelectric properties of the composite was studied. The results show that the hot-resistant and the impact-resistant Strength of the composite can be increased by intedece modification, but the piezoelectric...

PT powder was modified by KH-550. The piezoelectric strain constant, hot-resistant and the impact-resistant strength of the composite of PT/epoxy resin and the composite of modified PT/epoxy resin were measured and compared respectively. The influence of the intedece modification on the piezoelectric properties of the composite was studied. The results show that the hot-resistant and the impact-resistant Strength of the composite can be increased by intedece modification, but the piezoelectric strain constant does not change.

采用KH-550对钛酸铅(PT)粉末进行表面处理,通过对PT/环氧树脂和处理PT/环氧树脂两种压电复合材料的压电应变常数、耐热性和耐冲击强度的测定和对比,研究了界面改性对压电复合材料的压电性能的影响结果表明:通过界面改性,可以明显提高复合材料的耐热性和耐击穿强度,而对饱和极化时的压电应变常数无影响.

The properties of the piezoelectric composites are the main factor, which can effect its piezoelectric properties. The polarization properties of PbTiO3/epoxy resin composite were studied in this paper. The result shows that the piezoelectric properties of the composite can be improved by increasing the polarization intensity, or increasing the polarization temperature, but when the polarization intensity or temperature excesses a certain value, the constant of piezoelectric strain do not change again.

对钛酸铅/环氧树脂复合压电材料的极化性能进行了研究。结果表明,较高的极化电场强度和较高的极化温度均有利于压电复合材料压电性能的提高,但超过一定位时,材料会达到饱和极化状态,压电应变常数趋于稳定。

The relationship between the electric field E 3 and the strain S 1 of both soft Pb(Sb 1/2 Nb 1/2 )ZrTiO 3 (SN)system and hard Pb(Mn 1/3 Sb 2/3 )ZrTiO 3(MS) systems piezoelectric ceramics has been studied. It is a linear relationship between S 1 and E 3 according to the piezoeleetric equation S 1=d 31 E 3 when a weaker electrical field is applied to both SN and MS ceramics. When a stronger electrical field is applied, the piezoelectric strain constant d 31 is no longer...

The relationship between the electric field E 3 and the strain S 1 of both soft Pb(Sb 1/2 Nb 1/2 )ZrTiO 3 (SN)system and hard Pb(Mn 1/3 Sb 2/3 )ZrTiO 3(MS) systems piezoelectric ceramics has been studied. It is a linear relationship between S 1 and E 3 according to the piezoeleetric equation S 1=d 31 E 3 when a weaker electrical field is applied to both SN and MS ceramics. When a stronger electrical field is applied, the piezoelectric strain constant d 31 is no longer a constant. It has the maximum value when the E 3 is increase to a certain value,so we call this E 3 saturated electrical field E s. The depolarizing electric field of the soft SN piezoelectric ceramics is about 12.7kV/cm. This value is smaller than both the coercive electric field E c (13.6 kV/cm) and the saturated electric field E s (14 kV/cm).But the values of both the depolarizing electic field E d and the .Saturated eletric field E s of the hard MS piezoelectric ceramics are 24kV/cm,and it is stronger than the coercive electric field E c(18.6kV/cm).A large strain can be induced to the soft SN system ceramics even by a weaker electric field,while a stronger opposite electric field can be applied to the MS system piezoeleetric ceramics.

研究了软性铌锑—锆钛酸铅Pb(Sb1/ 2 Nb1/ 2 )ZrTiO3 (简称SN)系及硬性锑锰—锆钛酸铅Pb(Mn1/ 3 Sb2 / 3 )ZrTiO3(简称MS)系压电陶瓷电场E3 和应变S1的关系。压电方程为S1=d3 1E3 ,在弱电场下为线性关系。随着电场增加 ,压电应变系数d3 1变大 ,从而不再是常数。当电场E3 增大到某一值时d3 1有极大值 ,我们称此电场为饱和电场Es。软性SN三元系压电陶瓷的退极化电场Ed 为 12 .7kV/cm ,小于它的矫顽场Ec(13.6kV/cm)以及d3 1极大值 (-45 7pC/N)时的饱和电场Es(14kV/cm)。而硬性MS三元系压电陶瓷的退极化电场Ed 和d3 1极大值 (- 2 0 2pC/N)时的饱和电场Es相等 ,均为 2 4kV/cm ,大于它的矫顽电场Ec(18.6kV/cm)。软性SN三元系压电陶瓷在较低的电场下就可产生很大的应变。而硬性MS三元系压电陶瓷可以施加很大的反向电场

 
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