Journal of Materials Research and Technology Journal of Materials Research and Technology
J Mater Res Technol 2018;7:331-6 DOI: 10.1016/j.jmrt.2018.04.009
Original Article
Texture, microstructure and anisotropic properties of IF-steels with different additions of titanium, niobium and phosphorus
Andrea Pedroza da Rocha Santosa,, , Thaís Conde da Motaa, Heber Vieira Gomes Segundob, Luiz Henrique de Almeidaa, Leonardo Sales Araújoa, Adriana da Cunha Rochaa
a Department of Metallurgical and Materials Engineering, Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro, RJ, Brazil
b Ternium Brasil – Distrito Industrial Santa Cruz, Rio de Janeiro, RJ, Brazil
Received 20 November 2017, Accepted 10 April 2018
Abstract

Interstitial free steels (IF steels) find wide application in the automotive industry, due to their excellent drawability. This work aims to study the microstructural and mechanical properties variations that might occur in an IF steel, when amounts of titanium, niobium and phosphorus are added to a specific alloy composition. The goal is to address how the insertion of such elements could provide excellent deep drawing applications without compromising the steel mechanical strength. Mechanical testing was performed in different samples to determine the steel anisotropy and compare those to the calculated crystallographic texture obtained by X-ray diffraction analysis. Scanning transmission electron microscopy (STEM) was also performed to correlate the properties achieved by the alloying elements to the microstructure of the steel rolled sheets.

Keywords
IF steels, Alloying elements, Anisotropy, Crystallographic texture
J Mater Res Technol 2018;7:331-6 DOI: 10.1016/j.jmrt.2018.04.009
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