摘要:磁控形状记忆合金(MSMA)在磁场作用下产生形变,施加外部激振力时会引发材料本身磁感应强度变化,进而表现为电信号变化。本文基于该特性设计和制作了MSMA传感器样机,并搭建了实验系统,建立了基于马氏体变体体积分数变化的感应电压模型,研究了偏置磁场、预压力和激振力(幅值和频率)多参数变化时的MSMA传感器输出特性。通过传感器实验值与计算值的比较,验证了多个参数变化时传感器模型的通用性和正确性,为MSMA传感器在复杂条件下的应用奠定了理论和技术基础。
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