A research team at the Department of Physics at the Public University of Navarre are developing new, “intelligent” materials which have the capacity for changing shape when a magnetic field is applied to them. These materials may be used for the generation of ultrasonic signals, in the manufacture of loudspeakers and sonars or in actuators, amongst other applications. The project is a three-year one.
Specifically, the group at the Public University of Navarre is working on the optimisation of materials which were discovered at the beginning of the nineties: metal alloys having a ferromagnetic shape memory (FSMA). These alloys have the ability to change shape under mechanical pressure, in a magnetic field or with temperature variation, and to return, in a reversible manner, to its original shape when the stimulus ceases or is removed.
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