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Vol.38, No.8, 963 ~ 971, 2000

Title

Through - Thickness Textures in Ferritic Stainless Steel Sheet

조성윤S . Y . Cho,김현철H . C . Kim,허무영M . Y . Huh

Abstract

The evolution of the through-thickness textures in a ferritic stainless steel sheet was investigated by means of texture measurements and microstructure observations. Pronounced through-thickness texture gradients were found in the hot band where the rotated cube orientation prevailed at the center layer and the Goss-orientation developed in the near-surface layers. The cold rolling texture was strongly dependent on initial preferred orientations of the hot band. The rotated cube orientation was quite stable during cold rolling. The weak initial texture of the hot band led to the formation of the typical bcc rolling texture. Upon annealing, the {557}$lt;583$gt; developed at the expense of the rotate cube orientation and the {111} fiber texture formed from the typical bcc rolling texture components. The evolution of texture gradients during rolling was discussed by means of the orientation stability based on the Taylor deformation theory. The recrystallization textures were explained in terms of the nucleation and the growth selection.

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