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Effects of vanadium addition and hot rolling conditions on microstructure and deep drawability of low carbon steel sheets

par Dille, Jean ;Charlier, Jacques ;Ducarne, Ch.;Riquier, Y.
Référence THERMEC '97, International Conference(07.07.1997 - 11.07.1997: Wollongong, Australia), Thermomechanical Processing of Steels and Other Materials, Chandra, T.; Sakai, T ;, Vol. 1, page (555-561)
Publication Publié, 1997

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Résumé :

The effect of vanadium addn., finishing temp. after rolling and coiling temp. on the microstructure and the deep drawing characteristics has been studied for low C-Al killed-steels having different Al/N proportions. The sheets were hot rolled in the austenitic range. Scanning transmission electron microscopy was used for the microstructural study, particularly for the anal. of the ppts. Texture and deep drawing properties were also examd. Vanadium addn. prevents an excessive ferritic grain growth if the coiling temp. is high. A lower Al/N ratio leads to a lower planar anisotropy coeff. Δr.