Microstructure and Texture Evolution with Relation to Mechanical Properties of Compared Symmetrically and Asymmetrically Cold Rolled Aluminum Alloy

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ID: 110817
2020
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Abstract
The impact of asymmetric cold rolling was quantitatively assessed for an industrial aluminum alloy AA 5454. The asymmetric rolling resulted in lower rolling forces and higher strains compared to conventional symmetric rolling. In order to demonstrate the positive effect on the mechanical properties with asymmetric rolling, tensile tests, plastic-strain-ratio tests and hardness measurements were conducted. The improvements to the microstructure and the texture were observed with a light and scanning electron microscope; the latter making use of electron-backscatter diffraction. The result of the asymmetric rolling was a much lower planar anisotropy and a more homogeneous metal sheet with finer grains after annealing to the soft condition. The increased isotropy of the deformed and annealed aluminum sheet is a product of the texture heterogeneity and reduced volume fractions of separate texture components.
Reference Key
kraner2020metalsmicrostructure Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Jakob Kraner;Peter Fajfar;Heinz Palkowski;Goran Kugler;Matjaž Godec;Irena Paulin;Kraner, Jakob;Fajfar, Peter;Palkowski, Heinz;Kugler, Goran;Godec, Matjaž;Paulin, Irena;
Journal metals
Year 2020
DOI
10.3390/met10020156
URL
https://www.mdpi.com/2075-4701/10/2/156
Keywords
mechanical properties aluminum alloy microstructures asymmetric rolling planar anisotropy

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