Abstract

Modern low-coercivity thermomagnetic materials used in electrical engineering, electronics, and tool engineering are reviewed. They are primarily for the manufacture of magnetic shunts, magnetic secondary resistances, and temperature-sensitive elements for relays, whose response time is determined by the temperature near the Curie point). The effect of alloying additives (Mo, Cr, Cu) on the magnetic properties, heat treatment, and properties of structural changes in iron–nickel alloys is considered. The advantages of new thermomagnetic powder materials in comparison with cast alloys are demonstrated. Also, the prospects of their application in electrical engineering are considered.

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