| 摘要 |
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: 1.23x(Al+Mo) %+0.84 (Si+Cr+V) %-0.15x(Co %-15)<=2.1, and 14.5x(Al+Cr) %+12x(V+Mo) %+25xSi %>=21. The inventive alloy is useful for making electromagnetic actuator mobile cores.
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