Glassy alloys containing cobalt, nickel and iron having near-zer

Details Glassy alloys containing cobalt, nickel and iron having near-zer Glassy alloys containing cobalt, nickel and iron having near-zer

1977-08-15

1979-04-24

Steiner, Arthur J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75134F, C22C 1907, C22C 1900

Patent

active

041509811

ABSTRACT:
Glassy alloys containing cobalt, nickel and iron and evidencing near-zero magnetostriction and high saturation induction are disclosed. The glassy alloys consist essentially of about 13 to 73 atom percent cobalt, about 5 to 50 atom percent nickel, about 2 to 17 atom percent iron, with the proviso that the total of cobalt, nickel and iron is about 80 atom percent, and the balance essentially boron plus incidental impurities. The magnetostriction of the glassy alloys ranges from about +3.times.10.sup.-6 to -3.times.10.sup.-6 and the saturation induction is at least about 8 kGauss.

REFERENCES:
patent: 3856513 (1974-12-01), Chen et al.
patent: 4036638 (1977-07-01), Ray et al.
patent: 4038073 (1977-07-01), O'Handley et al.
patent: 4052201 (1977-10-01), Polk
patent: 4056411 (1977-11-01), Chen et al.
patent: 4067732 (1978-01-01), Ray
Magnetism and Magnetic Materials-1977, "Amorphous Alloys as Soft Magnetic Materials", Egami, et al.

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