Abstract
Abstract Furnace- and flash annealing followed by cooling in air or quenching in water was applied to improve the magnetic properties of the magnetostrictive Fe 78 Si 9 B 13 and the non-magnetostrictive Co 71.5 Fe 2.5 Mn 2 Mo 1 Si 9 B 14 glases. Flash annealing in air was found to be the most effective method of heat treatment for both glasses, as far as reduction of coercive field H c is concerned. Also much higher remanence and fracture strain correspond to the smaller value of H c obtained by flash- than furnace annealing. The results are interpreted in terms of structural relaxation and magnetoelastic- and induced magnetic anisotropy.
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