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Material parameter variations of lead metaniobate piezoceramic in elevated temperature applications

机译:高温应用中偏铌酸铅压电陶瓷的材料参数变化

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摘要

The electrical impedance characteristics around the resonant frequency of a thickness extensional vibration mode lead metaniobate sample were measured from ambient temperature up to 100℃. The material constants under various temperatures were determined by a precise theoretical fitting process of the measured electrical impedance. The effect of higher temperatures on the material properties are presented and analysed.
机译:在高达100℃的环境温度下,测量了厚度扩展振动模式偏铌酸铅样品共振频率附近的电阻抗特性。通过测量电阻抗的精确理论拟合过程确定在各种温度下的材料常数。提出并分析了高温对材料性能的影响。

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