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1)  mechanical coupling coefficient
机械耦合系数
1.
Based on the piezoelectric and motion equations, introducing themechanical coupling coefficient the electric admittance and the frequency equation werederived, the relation between the axial and radial vibrations was analyzed.
根据压电陶瓷圆形振子的运动方程及压电方程,通过引入振子不同振动模式之间的机械耦合系数,分析了振子轴向及径向振动之间的耦合关系,得出了振子耦合振动的电导纳表达式,并导出了共振频率方程。
2.
By introducing mechanical coupling coefficients between axial and transverse vibrations of the vibrating body and ignoring shear stresses, the analytical expressions of resonance frequency equations on coupled vibration of the radiator are obtained.
通过引入振动体轴向振动与横向振动之间的机械耦合系数,导出了辐射器耦合振动共振频率方程的解析表达式,由此不仅能够得出振子的轴向共振频率,而且可以得出振子的径向共振频率。
2)  magnetomechanical coupling coefficient
磁机械耦合系数
1.
The measurement system of magnetomechanical coupling coefficient for giant magnetostrictive materials has been built by using a lock-in amplifier, according to the measurement theory.
根据磁机械耦合系数的测量原理,利用锁相放大器建立了磁机械耦合系数测量系统,并应用该系统测量了巨磁致伸缩材料的磁机械耦合系数
2.
To evaluate static and dynamic properties of the composite and monolithic Tefernol-D,such parameters as static and dynamic magnetostriction,dynamic relative permeability,the dependence of electrical impedance on frequency,two Young s moduli(EH33 and EB33),magnetomechanical coupling coefficient,and characteristic frequency,were tested.
分析了Tefernol-D颗粒体积含量为53%的环氧基磁致伸缩复合材料的显微结构,测试了Terfenol-D/环氧树脂复合材料及相应Tefernol-D的动静态磁致伸缩性能及增量磁导率,通过阻抗频率谱分析计算得到了2种材料的弹性模量、磁机械耦合系数和截止频率等重要的性能参数。
3.
The magnetostrictive coefficient of Terfenol-D sample is measured by using comparison method and bridge method,and the magnetomechanical coupling coefficient of Terfenol-D sample is measured by using resonance method.
采用比较法和电桥法测量了Terfenol-D样品的磁致伸缩系数,并采用共振法测量了Terfenol-D样品的磁机械耦合系数
3)  mechanical coupling
机械耦合
1.
Signal detection of capacitive micromachined gyroscope under mechanical coupling;
有机械耦合的电容式硅微陀螺敏感信号读取研究
2.
The interference of mechanical coupling between driving and sensing direction is inevitable,and the rigidity coupling between driving and sensing axis is the main factor.
驱动轴与敏感轴的刚度耦合是硅微陀螺的机械耦合干扰是主要因素。
3.
Using this method, the mechanical coupling properties between the work modes are simulated, which are also verified by test results.
利用这种方法,仿真得到了陀螺模态间的机械耦合,并通过测试对仿真结果进行了验证。
4)  thermomechanical coupling
热/机械耦合
1.
This review contains a description of studies related to thermomechanical couplinganalysis of functionally graded material structure, where five principal topics are covered: advancesof the research method, crack problems under thermal loading, optimization design problems,micro-mechanics problems, and other problems.
对功能梯度材料结构的热/机械耦合问题的研究现状进行了评述,包括分析方法的进展、热载作用下的裂纹问题、优化设计问题、细观力学问题等,然后提出了需要进一步研究的方向。
5)  magnetomechanical coupling
磁机械耦合
6)  magnet machine coupling
磁-机械耦合
补充资料:横向机电耦合系数
分子式:
CAS号:

性质:表示横向长度伸缩振子振动时机械能与电能之间相互转换的能力,通常用K31表示。当振子的带宽Δf=fa-fr(式中,fa为并联谐振频率;fr为串联谐振频率)较小时,可用下式近似求得:。也可从平面耦合系数Kp换算而得:(式中,σE为泊松比)。它可作为大致判定该压电材料用于制造横向长度伸缩振子振动器件时是否适用。

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