Abstract:A giant magnetostrictive alloy, Terfenol-D, is known to have high magnetostriction and low anisotropy energy. However, oxygen contamination deteriorates the magnetic and magnetoelastic properties of giant magnetostrictive material. Oxygen impurity can originate from the raw materials and from the environment during the manufacturing process. Therefore the effect of oxygen on the magnetostrictive properties and the microstructure of the Tb 0 3 Dy 0 7 Fe 1 8 alloy were quantitatively investigated. The results de… Show more
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