Metal treatment – Compositions – Heat treating
Patent
1983-03-16
1984-09-25
Sheehan, John P.
Metal treatment
Compositions
Heat treating
148 3155, 75126A, 75126P, 75126Q, C22C 3802
Patent
active
044734131
ABSTRACT:
An iron based, boron, silicon, carbon and chromium containing magnetic alloy having at least 85 percent of its structure in the form of an amorphous metal matrix is annealed at a temperature and for a time sufficient to induce precipitation therein of discrete particles of its constituents and to form an oxide layer on the surface of the matrix. The resulting alloy has decreased high frequency core losses and increased low field permeability; it is particularly suited for high frequency applications.
REFERENCES:
patent: 3856513 (1974-12-01), Chen et al.
patent: 3940293 (1976-02-01), Polk et al.
patent: 4116682 (1978-09-01), Polk et al.
patent: 4144058 (1979-03-01), Chen et al.
patent: 4264358 (1981-04-01), Johnson et al.
Datta Amitava
DeCristofaro Nicholas J.
Martis Ronald J. J.
Nathasingh Davidson M.
Allied Corporation
Buff Ernest D.
Fuchs Gerhard H,.
Sheehan John P.
Yee Paul
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