Abstract
This paper systematically illustrates the deformation and damping mechanism of magnetic shape memory alloy (MSMA) and builds a damping mathematical model by using a single-degree-of-freedom vibration system. The results indicate that absorbed damping is proportional to the quadratic of external force and inversely proportional to the overall mass, the natural frequency and the total damping of the system when the system is in resonance. At the same time, the paper calculates the relative power and draws the stress–strain curve of mechanical property. The relations among temperature, stress, intensity of magnetic induction, and deformation of MSMA are studied through a static experiment. Meanwhile, an analysis of the damping characteristic indicates that the external force is 25–30 N when the temperature ranges from 23 to 29 °C and that the deformation rate is the largest and the damping performance is the best at a magnetic induction strength of 0.55 T.
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Qingxin, Z., Qihang, F., Luping, W. et al. Research and Experimental Analysis of Damping Characteristics of Magnetic Shape Memory Alloy. Trans. Electr. Electron. Mater. 19, 272–278 (2018). https://doi.org/10.1007/s42341-018-0047-3
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DOI: https://doi.org/10.1007/s42341-018-0047-3