Method of producing a CoFe alloy strip

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United States of America

PATENT NO 12110579
SERIAL NO

17397295

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Abstract

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A method of producing a CoFe alloy strip is provided. The method comprises hot rolling a CoFe alloy to form a hot rolled strip, followed by quenching the strip from a temperature above 700° C. to a temperature of 200° C. The CoFe alloy comprises an order/disorder temperature To/d and a ferritic/austenitic transformation temperature Tα/γ, wherein Tα/γ>To/d. The method further comprises cold rolling the hot rolled strip, after cold rolling, continuous annealing the strip at a maximum temperature T1, wherein 500° C.1o/d, followed by cooling at a cooling rate R1 of at least 1 K/s in the temperature range of T1 to 500° C., and after continuous annealing, magnetic annealing the strip, or parts manufactured from the strip, at a temperature between 730° C. and Tα/γ.

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Patent Owner(s)

Patent OwnerAddress
VACUUMSCHMELZE GMBH & CO KG63450 HANAU

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Demper, Manuel Dautphetal, DE 2 2
Gerster, Joachim Alzenau, DE 21 142
Volbers, Niklas Bruchkobel, DE 21 37

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