Mechanical Properties and Crystallographic Texture of Symmetrical and Asymmetrical Cold Rolled IF Steels

• Autor(a) principal: Sardinha,Nina do Amaral
• Data de Publicação: 2016
• Outros Autores: Santos,Igor Cuzzuol dos, Andrade,Bárbara Vaz, Botelho,Ramón Alves, Oliveira,Rebeca Vieira de, Diniz,Saulo Brinco, Paula,Andersan dos Santos, Brandao,Luiz Paulo
• Tipo de documento: Artigo
• Idioma: eng
• Título da fonte: Materials research (São Carlos. Online)
• Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392016000501042
• topic: IF Steels; Asymmetrical Cold Rolling; Texture; Mechanical Properties; Symmetrical Cold Rolling; Formability

Abstract The crystallographic texture developed during cold rolling and subsequent annealing of interstitial free sheet steels aims to increase conformability. For this, it is necessary to obtain partial α-fiber and continuous and homogeneous γ-fiber texture components. In this work, the influence of symmetric (SR) and asymmetric (AR) cold rolling on crystallographic texture and mechanical properties of an interstitial free steel (IF) was investigated. Symmetric cold rolling yields α- and γ-fibers, which are enhanced as deformation increases. Moreover, α-fiber weakening occurs due to recrystallizations, improving formability. The same fibers are produced by asymmetric cold rolling, but in this case, the γ-fiber is slightly shifted in psi, which is one of Euler angles second ROE's notation1,2, and more homogeneous than in symmetric rolling. The best mechanical properties were achieved by asymmetric cold rolling/annealed with about 80% deformation.