Magnetostrictive materials and methods of making such materials

Details Magnetostrictive materials and methods of making such materials Magnetostrictive materials and methods of making such materials

1993-10-22

1996-06-18

Sheehan, John

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148120, H01F 103, H01F 1053

Patent

active

055273980

ABSTRACT:
The magnetostriction alloys of the present invention are composed basically of Tb--Dy-iron which is partially substituted by at least one element selected from the group consisting of Y, La, Ce, Pr, Nd and Sm, and have been grown in the direction of face index <110> or contain Mn and M element (at least one metallic element selected from the group consisting of C, Mg, Al, Si, Ca, Zr, Y, Ga and B. The magnetostrictive alloy may be formed by melting the constituent materials by high frequency induction dissolution. The molten materials are cast in a heated mold having a temperature gradient. The solidified material may be further treated by hot working.

REFERENCES:
patent: 4609402 (1986-09-01), McMasters
patent: 4770704 (1988-09-01), Gibson et al.
patent: 5067551 (1991-11-01), Murakami et al.
patent: 5110376 (1992-05-01), Kobayashi et al.

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