Iron-cobalt alloy, in particular for the moving core of...

Details Iron-cobalt alloy, in particular for the moving core of... Iron-cobalt alloy, in particular for the moving core of...

2006-08-15

2010-10-26

Sheehan, John P (Department: 1793)

Metal treatment

Stock

Magnetic

C148S307000, C148S309000, C420S103000, C420S104000, C420S123000, C420S127000

Reexamination Certificate

active

07819990

ABSTRACT:
An iron-cobalt alloy containing in weight percentages: 10 to 22% of Co; traces to 2.5% of Si; traces to 2% of Al; 0.1 to 1% of Mn; traces to 0.0100% of C, a total of O, N and S content ranging between traces of 0.0070%; a total of Si, Al, Cr, Mo, V, Mn content ranging between 1.1 and 3.5%; a total of Cr, Mo and V content ranging between traces of 3%; a total of Ta and Nb content ranging between traces and 1%; and the rest being iron and impurities resulting from production wherein: 1.23×(Al+Mo) %+0.84 (Si+Cr+V) %−0.15×(Co %−15)≦2.1, and 14.5×(Al+Cr) %+12×(V+Mo) %+25×Si %≧21. The inventive alloy is useful for making electromagnetic actuator mobile cores.

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Patent Abstracts of Japan, vol. 18, No. 251 (C-1199), May 13, 1994 & JP 06 033199 A (Hitachi Metal Precision Ltd.) Feb. 8, 1994.
Patent Abstracts of Japan, vol. 1998, No. 01, Jan. 30, 1998 & JP 09 228007 (Toshiba Corp.; Toshiba Electronic Eng. Corp.), Sep. 2, 1997.

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