In the past years, utilization of magnetostrictive materials has been increasing in different applications including actuation, sensing, and energy harvesting. Special interest has been recently directed to galfenol (iron-gallium alloy). This paper experimentally investigates the vector hysteresis properties of stress-annealed galfenol as well as to test the capability of recently proposed models to mimic those properties. Details of the measurements, model identification, and experimental testing of the model accuracy are reported in the paper.
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