Method for Obtaining a Desired Texture in Polycrystalline FeGa Based Magnetostrictive Alloys

The technology describes a feasible and inexpensive thermomechanical processing approach to obtain FeGa alloys with a preferred [001] texture. The approach involves sequences of rolling with annealing to obtain [001] texture in polycrystalline alloys containing NbC.

Magnetostrictive materials with high mechanical strength, good ductility, large magnetostriction at low saturation fields and high imposed stress levels, and low associated cost are of interest in actuator, sensor, and active device applications. The textured FeGa alloys produced using this technology provide an inexpensive and very attractive alternate to existing rare earth based giant magnetostrictive materials.

Stage of Development
A provisional patent has been filed with the U.S. Patent and Trademark Office. This technology has been demonstrated to work in proof-of-concept experiments. It is available for developmental research support/licensing under either exclusive or non-exclusive terms.

Additional Info

Inventor(s): Pinai Mungsantisuk, Nakorn Srisukhumbowornchai, Sivaraman Guruswamy

Type of Offer: Licensing

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