磁控形状记忆合金微位移执行器的研究与应用

磁控形状记忆合金（MSMA）是一种新型智能材料。该类材料具有磁控形状记忆效应（MSME）、变形率和力能密度大、动态响应速度快、线性度好以及易于控制等优点。针对MSMA输入/输出的非线性特点,论述了磁场诱发的磁控形状记忆效应、应力诱发的伪弹性效应以及温度诱发的形状记忆效应。总结了块体、薄膜MSMA在微位移执行器领域的国内外研究及应用现状,并对MS-MA微位移执行器的未来应用趋势进行了分析。研究结果表明,MSMA驱动器是微位移执行器领域中最为重要的驱动方式之一。

A survey of the research and application status on micro-actuators driven by MSMA

Magnetic shape memory alloy（MSMA） is a new smart material.The material has advantages of magnetic shape memory effect（MSME）,such as big deformation,high force density,quickly dynamic response speed,high linearity and easy to be controlled.Aiming at the problems about MSMA nonlinear characteristics,stress-induced pseudo-elastic effects and temperature-induced SME were introduced.The present situation of block MSMA and film MSMA in the micro displacement actuator domain domestic and foreign research application were summarized,and the future application tendency about MSMA micro displacement actuator was analyzed.The results indicate that the actuators driven by MSMA are one of the most important driving methods in the field of micro-actuators.