Soft magnetic bulky alloy and method of manufacturing the same

Details Soft magnetic bulky alloy and method of manufacturing the same Soft magnetic bulky alloy and method of manufacturing the same

1994-09-27

1996-04-23

Sheehan, John

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

419 12, 419 67, H01F 112

Patent

active

055099750

ABSTRACT:
A soft magnetic bulky alloy according to the present invention is obtained by forming under pressure a powder and granule material mainly made of a Fe-M-B based amorphous alloy containing Fe, B and M where M is at least one element selected from a group consisting of Ti, Zr, Hf, V, Nb, Ta, Mo and W. In the soft magnetic bulky alloy, an amorphous alloy phase and a bcc phase with fine grain sizes of 30 nm or below are present in a mixed state, or the bcc phase with fine grain sizes of 30 nm or below is mainly present. The present invention also discloses a method of manufacturing such a soft magnetic bulky alloy.

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Suzuki, K. et al., "High Saturation Magnetization and Soft Magnetic Properties of bcc Fe-Zr-B and Fe-Zr-B-M (M=Transition Metal) Alloys with Nanoscale Grain Size", vol. 32, No. 1, Materials Transactions JIM (1991, pp. 93-102).

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