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Application of a Magnetostrictive Alloy, Terfenol-D to Direct Control of Hydraulic Valves
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English
Abstract
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.
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Authors
Citation
Goodfriend, M., Sewell, J., and Jones, C., "Application of a Magnetostrictive Alloy, Terfenol-D to Direct Control of Hydraulic Valves," SAE Technical Paper 901581, 1990, https://doi.org/10.4271/901581.Also In
References
- Clark A.E. Magnetostrictive Rare Earth-Fe 2 Compounds Ferromagnetic Materials 1 Wohlfarth E.P. North-Holland 1980 531 589
- McMasters O.D. Performance of Magnetostrictive Tb x Dy 1-x Fe y (Terfenol-D) Transducer Elements Optimized to Meet Devices/Applications Requirements Proceedings of the Tenth International Workshop on Rare Earth Magnets and Their Applications, Supplement 1989 51 59
- Clark A.E. Crowder D.N. High Temperature Magnetostriction of TbFe 2 and Tb 0.27 Dy 0.73 Fe 2 Trans. Mag., MAG-21 5 1985
- Butler J.L. Application Manual for the Design of ETREMA Terfenol-D Magnetostrictive Transducers Edge Technologies, Inc. 1988