Abstract
Active materials have long been used in the construction of sensors and devices. Examples are piezo-electric ceramics and shape memory alloys. The more recently developed ferromagnetic shape-memory alloys (FSMAs) have received considerable attention due to their large magnetic field-induced, reversible strains (up to 10%). In this article, we review the basic physical characteristics of the FSMA Ni-Mn-Ga (crystallography, thermal, mechanical and magnetic behavior). Also, we present some of the works currently under way in the areas of pulse-field and acoustic-assisted actuation, and vibration energy absorption. © 2004 Elsevier B.V. All rights reserved.
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Marioni, M. A., O’Handley, R. C., Allen, S. M., Hall, S. R., Paul, D. I., Richard, M. L., … Techapiesancharoenkij, R. (2005). The ferromagnetic shape-memory effect in Ni-Mn-Ga. In Journal of Magnetism and Magnetic Materials (Vol. 290-291 PART 1, pp. 35–41). https://doi.org/10.1016/j.jmmm.2004.11.156
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