Saturation magnetic induction, B_{s}, and coercive field, H_{c}, have been studied upon annealing in films flash evaporated from Fe_{73.5}M_{1}Nb_{3}Si_{13.5}B_{8} alloys. The changes in B_{s} significantly diverged at increasing annealing temperature, T_{a}, and did not indicate any formation of ultrafine grain phase in the films. H_{c} measured as an angular function in the plane of the films revealed oscillations due to weak in-plane anisotropy. The coercivity increased in the course of annealing at increasing T_{a}, while the in-plane anisotropy decreased at the same time.
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