Abstract

The structure and magnetic and mechanical behavior of a hard magnetic alloy (Fe – 23% Cr – 15% Co – 1% Ti – 0.5% V) is investigated following a high-temperature hardening, an additional annealing within the temperature interval 800–1200°С, and a subsequent stepwise tempering to achieve a highly coercive state. It is found out that a decrease in the annealing temperature to 1000°С and a transition into a two-phase state result in a sharp increase in hardness and coercive force. A further decrease in the hardening temperature down to 800°С gives rise to lower hardness and deteriorated magnetic properties.

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