Method of manufacturing high permeability Fe-Ni system alloy

Details Method of manufacturing high permeability Fe-Ni system alloy Method of manufacturing high permeability Fe-Ni system alloy

1991-09-10

1992-04-07

Dean, H.

Metal treatment

Process of modifying or maintaining internal physical...

Magnetic materials

148120, 148121, 148 2, 148 115N, C21D 812

Patent

active

051024772

ABSTRACT:
A method of producing Fe-Ni system high permeability alloy comprising the steps of obtaining cast steel sheet 0.3 to 7 mm thick by direct casting of a steel melt containing 35 to 85% by weight of nickel with the balance of iron and unavoidable impurities, forcibly cooling the sheet from solidification to 1200.degree. C. at a cooling rate of at least 75.degree. C./s, and cold-rolling the sheet at a reduction ratio of at least 20%.

REFERENCES:
patent: 1901018 (1933-03-01), Bieber et al.
patent: 4948434 (1990-08-01), Inoue et al.

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