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一种用于电流检测的长片形磁电层合材料

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Keywords: 磁电效应,磁电层合材料,电流检测,电压-电流/频率特性

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Abstract:

设计并实现了一种以Terfenol-D磁致伸缩材料和PZT压电材料为基础而构成的,用于检测交流电流的长片形磁电层合材料。这种层合材料的结构设计具有无需接入电路的优点,便于安装和维护。对该材料进行了若干实验,测试了其输出电压随输入电流幅值与频率的变化规律。该材料在实验中得到了0.401mV/mA的电流测量灵敏度。材料能够在毫安至安培级的电流检测范围内和30Hz至1kHz频率范围内输出稳定的电压。这种基于长片形磁电层合材料的电流检测方案具有重要的继续研究价值和应用潜力

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