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Effect of rolling temperature, reduction and alloying additions on the texture of warm rolled steels

par Sanchez-Araiza, M.;Godet, Stéphane ;Jonas, J.J.
Référence Materials science forum, 495-497, page (501-506)
Publication Publié, 2005

Article révisé par les pairs

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Résumé :

The effect of warm and cold rolling parameters on the development of annealing textures was studied in two low carbon steels containing additions of chromium. Two warm rolling temperatures (640 and 700 degrees C) were employed together with a reduction of 65%. The effects of an additional cold rolling reduction of 40% and of decreasing the heating rate during annealing were also studied. The ND fiber, < 111 >//ND, of the recrystallization texture was strengthened as the warm rolling temperature was decreased. However, all the warm rolled steels contained a retained RD fiber, < 110 >//RD. A noticeable improvement in both the continuity and intensity of the ND fiber was obtained when the sample was submitted to an additional 40% cold rolling reduction. The ND fiber was even more continuous and intense when a low heating rate was utilized, yielding r-values of 1.1 and 1.3 for the warm rolled and warm plus cold rolled samples, respectively.