{001} Texture map of AA5182 aluminum alloy for high temperature uniaxial compression

Abstract

The behavior of texture formation in AA5182 aluminum alloy was investigated by uniaxial compression tests under strain rates and temperatures ranging from 5.0 × 10-4 s-l to 5.0 × 10-2 s -1 and from 673 K to 823 K, respectively. After the deformation, {011} (compression plane) or (001) fiber texture appears. It was found that {001} fiber texture was formed after the development of {011} fiber texture. The size of {001} grains is larger than the average grain size, suggesting that the {001} texture formation is attributed to grain boundary migration. In order to understand the relationship between texture sharpness of {001}, temperature and strain rate, the texture map is proposed. The {001} texture map elucidates that the balance between flow stress and deformation temperature is important for the development of {001} component when the viscous motion or dislocation is the dominant deformation mechanism. © 2010 The Japan Institute of Light Metals.