Abstract

Microstructural features near the growth front of Goss abnormally growing grains (AGG) were investigated in the initial stage of secondary recrystallization of Fe–3% Si steel. In order to obtain three-dimensional information about these microstructures, serial section images were obtained by repeated polishing, which revealed that the grains with negative curvatures are three-dimensionally connected to the Goss AGG. These morphologies indicate that the Goss AGG underwent solid-state wetting along the triple junction of small matrix grains at its growth front.

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