温控形状记忆合金弹簧的性能研究

Research on Properties of Shape Memory Alloy Spring with Temperature Control

本文通过实验测定Ni Ti形状记忆合金弹簧在不同驱动电流下的动态回复变形速度、力和位移之间的关系。结果表明,驱动电流和加热时间是影响形状记忆合金弹簧性能的主要因素,通过选择合适的电流以及掌握合适的加热时间可以很好的控制温控形状记忆合金弹簧的回复变形过程。通过对该记忆弹簧的性能影响因素的研究,将会对其应用研究提供很好的理论依据。

Through experiments,the paper explores the relationship of dynamic response speed,force and displacement under different driven currents on the Ni Ti shape memory alloy spring.The results show that major influencing factors are the driven current and the heating time.By selecting the appropriate driven current and grasping the right heating time,the deformation can be well controlled.Through researches on the influencing factors on the performance of shape memory spring,this paper may provide a good theoretical basis for its applied research.