The high strain (>1000ppm) and high force properties of a rare earth-iron alloy, Terfenol-D, make it attractive for application to direct control of hydraulic valves. Material properties of Terfenol-D are reviewed along with actuator designs for Terfenol-D driven valves. Principles concerning application of this material to valve technology in general are presented.
Application of a Magnetostrictive Alloy, Terfenol-D to Direct Control of Hydraulic Valves
Sae Technical Papers
International Off-Highway & Powerplant Congress & Exposition ; 1990
1990-09-01
Aufsatz (Konferenz)
Englisch
Application of a magnetostrictive alloy, Terfenol-D to direct control of hydraulic valves
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