INFLUENCE OF COATING THE SURFACE OF AMORPHOUS CO-BASED RIBBONS WITH GE VARNISH ON MAGNETIC AND MANETOIMPEDANCE PROPERTIES

Abstract

The work is devoted to a study of the effect of the coating different and both sides of amorphous Fe5Co70Si15B10 ribbon with GE varnish on its magnetic properties and magnetoinpedance (MI) effect. In all cases the decreasing of coercive force was observed, moreover the increasing of sensibility of MI ratio ΔZ/Z to a extend field H of 7 % took place in the case of covering only a free side of the ribbon

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