Abstract

We have studied the influence of magnetically active inorganic coatings and local laser processing on grain-oriented steels (Fe-3% Si) and amorphous alloys (Fe78Ni1Si9B12 (2NSR), Fe81Si7B12, and Fe81Si4B13C2). The potentialities of different types of laser processing have been assessed. Local laser processing and coating parameters have been shown to have a significant effect on the domain structure and electromagnetic properties of the materials. A reduction in coercive force and magnetic loss by 20–28% has been demonstrated.

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