An Open-Circuit Method to Control the Hysteresis Parameters of Rare-Earth Permanent Magnets

Abstract

Abstract—The peculiarities of application of the open-circuit method and prospects for development of technological equipment for monitoring the hysteresis parameters of permanent magnets from highly coercive hard magnetic material have been considered using complex-shaped samples in the pulse magnetic field. The advantages of the open magnetic circuit method and problems that occur during the development of technological equipment have been shown. Based on an analysis of foreign and domestic publications, it has been concluded that the direction is promising. The information on design features, characteristics of the developed equipment for processing control over permanent magnets from hard magnetic materials have been presented.