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Inhomogeneous deformation in amorphous alloys is characterized by local regions of intense shear. Experiments on VITROVAC 0040 (Fe40Ni40B20) supplied by Vacuumschmelze (Hanau, Germany) show a direct correlation between the number density of the shear bands and the coercive field after inhomogeneous deformation by cold rolling. The deformation process is also shown to induce an off axis magnetic anisotropy whose mean value is large compared to other residual and induced anisotropies in these materials. On this basis a domain structure is proposed for deformed material, and a model for coercivity based on domain wall pinning at residual stresses remaining after deformation is shown to lead to reasonable estimates of the coercive force

DOMAIN WALL PINNING IN INHOMOGENEOUSLY DEFORMED AMORPHOUS ALLOYS