研究了可用于磁场传感器的磁电复合材料,对传统的磁电复合材料进行了结构创新.采用条状PZT和Terfenol-D的材料体系,用热固树脂进行粘合,Terfenol-D沿长度方向磁化且PZT条沿厚度方向极化.与传统的1-3型复合不同的是:每根PZT的输出极被串联起来.在同样的磁场激励下,新型复合材料的输出电压为相同体积的同种结构复合材料的2.2倍,增强了材料对磁场的灵敏度和抗噪声性能.
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