Abstract
By modifying the temperature course of the decarbonizing annealing in the final processing of the electrical steels in laboratory and operational conditions, a material with a columnar structure has been prepared. The formation process of this structure was controlled by carbon diffusion. From the point of view of magnetic properties, the columnar structure presents a more advantageous texture than the inhomogeneous polyhedral structure produced by classical method of decarbonizing annealing.

Key words
decarbonizing annealing, electrical steels, carbon diffusion, magnetic properties

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