Finite Element Model Verification Magnetostrictive Terfenol-D Transducer

Abstract

Magnetic mass scaling Terfenol-D rods are preloaded bolt stress, permanent magnet biased magnetic field, the magnetic mass scaling Terfenol-D rods on the radial magnetic field, when to excitation coil pass excitation current, inside the coil is produced along with the changing magnetic field, current in the magnetic field Terfenol-D bar can produce movement, to promote sound plate.