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Strain Distributions of Plane-Strained and Simple-Sheared Al–Mg Alloy

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Abstract

Strain distribution in plane-strained (rolling) and simple-sheared (torsion) Al–Mg alloy has been estimated using both X-ray line profile analysis and electron backscatter technique. The strain analyses under unified texture distribution by orientation rotation showed that torsion has relatively homogeneous strain distribution regardless of texture component in contrast to inhomogeneous strain in rolling. In addition, annealing texture of torsion has more random texture than inhomogeneous rolling texture. Lower texture difference index in annealed torsion specimens suggest homogeneous strain distribution in simple shear has a higher resistance to strain-induced boundary migration, which has been known to be main reason for strong development of ND||〈100〉 component during annealing of rolled Al sheet.

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Acknowledgements

This work was supported by the Technology Innovation Program (10081329, Development of High-strength and High-Formability of 5000 and 6000 series Aluminum Alloy Sheets Fabricated by Low Cost Process) funded By the Ministry of Trade, Industry & Energy (MOTIE, Korea). Also, the authors are grateful to Dr. Shae K. Kim of KITECH who provides the Al–Mg alloys.

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  1. Department of Materials Science and Engineering, Inha University, Incheon, 22212, Republic of Korea

    Hyeon-Woo Son, Jae-Cheol Lee, Hyun Soon Park & Soong-Keun Hyun

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  1. Hyeon-Woo Son
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  2. Jae-Cheol Lee
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Correspondence to Hyun Soon Park or Soong-Keun Hyun.

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Son, HW., Lee, JC., Park, H.S. et al. Strain Distributions of Plane-Strained and Simple-Sheared Al–Mg Alloy. Met. Mater. Int. 27, 4894–4899 (2021). https://doi.org/10.1007/s12540-020-00677-x

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