Abstract
A necessary condition for improving the magnetic properties of powers is improvement of the metal phase structure, elimination of nonmagnetic impurities, and destruction of a chemisorbed coating. Annealing in hydrogen at 633–653 K makes it possible to retain the main geometric size of particles within the limits 0.8–1.0 Μm, to reduce dendrites and to increase the coercive force by a factor of 1.5–2 and the residual specific magnetization of iron and Fe-Co alloy powders up to 95 and 105 A·m2/kg, respectively.
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