Abstract
During final annealing at 1200/spl deg/C under a high vacuum, changes in recrystallization texture with final annealing time were observed in thin-gauged 3% Si-Fe alloys. In the alloy containing 30 ppm bulk sulfur, the recrystallization texture varied from the {111} to the {001} and finally to the {110} Goss texture, resulting in higher magnetic induction than 1.90 T. The trough in magnetic induction, which corresponds to the relatively high surface-segregated sulfur range, is due to the magnetically detrimental effect of those textures, i.e. the {111} and the {001} . In the alloy containing 6 ppm bulk sulfur, the correlation between magnetic induction and surface-segregated sulfur was the same as that in the other alloy. These results clearly indicate that the surface energy induced recrystallization in the thin-gauged 3% Si-Fe alloys is strongly affected by the segregation and the evaporation of sulfur.
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