Abstract
The magnetic hysteretic properties of an Fe–27Cr–10Co–1Mo (27Kh10K1M) magnetic hard alloy are studied. Residual induction Br (up to 1.36 T), coercive force HcB (up to 45.4 kA/m), and maximum energy product (BH)max (up to 44 kJ/m3) have been evaluated using the Statgraphics Centurion XVI software package after optimum heat treatment. The obtained data are higher than those of a commercial iron–chromium–cobalt 25Kh15KA alloy (Russian Standard GOST 24897–81) by 15–20% on average. Different optimum heat treatment of the alloy is shown to be required to obtain the optimum values of its residual induction Br, coercive force HcB, and maximum energy product (BH)max.
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