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

C - Chemistry, Metallurgy

21

D

148/10, 148/4

C21D 8/12 (2006.01) B22D 11/06 (2006.01) C22C 19/03 (2006.01) C22C 38/08 (2006.01) C22F 1/10 (2006.01) H01F 1/147 (2006.01)

Patent

CA 2039408

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°C at a cooling rate of at least 75°C/s, and cold-rolling the sheet at a reduction ratio of at least 20%.

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