Abstract
A 7.4 mm thick strip of 3003 aluminum alloy produced by the industrial twin-roll casting (TRC) process was homogenized at 500 °C for 12 hours, after which it was cold rolled in two conditions: 1) to reduce the strip's thickness by 67%, and 2) to reduce it by 91%. The alloy was annealed at 400 °C for 1 hour in both conditions. The results revealed that a rotated cube texture, the {001} component, predominated in the as-cast condition and was transformed into brass, copper and S type textures during the cold rolling process. There was practically no difference between the deformation textures at the two thickness reductions.
Highlights
The twin-roll casting (TRC) process produces coilable strip directly from the melt by combining casting and hot rolling into a single step[1,2]
In this work, X-ray diffraction was used to investigate the evolution of the texture of cold rolled and recrystallized aluminum alloy in the following conditions: i) as-cast, ii) cold rolled with 67 and 91% reduction, and iii) subsequent annealing after cold reduction
Maurice and Driver[4] found a similar texture on the surface of Al1Mn1Mg alloy, stating that it was similar to the texture obtained by cold rolling of this alloy
Summary
The twin-roll casting (TRC) process produces coilable strip directly from the melt by combining casting and hot rolling into a single step[1,2]. In TRC, molten metal is fed onto water-cooled rolls, where it solidifies, and is rolled, producing sheet directly from the melt. This casting technique has numerous advantages, such as reduction of capital costs, energy consumption, operating costs and scrap rate compared with the conventional direct chill casting route[3]. The differential of the present work is that texture is characterized immediately after the twin-roll casting (TRC) process, namely, before any subsequent treatment, i.e., homogenization. In this work, X-ray diffraction was used to investigate the evolution of the texture of cold rolled and recrystallized aluminum alloy in the following conditions: i) as-cast, ii) cold rolled with 67 and 91% reduction, and iii) subsequent annealing after cold reduction
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