Abstract
The forming behavior of Al-Cu-Mg-Mn alloy 2024 sheet with fine, equiaxed and coarse, elongated grain structures was characterized in the O temper (fully annealed) and W temper (solution heat treated and quenched) conditions. The fine-grained materials had better biaxial stretching capabilities in both tempers. The fine-grained O temper also had superior drawing and plane-strain stretching properties. For the O temper, conventional tensile forming indicators such as elongation and strain ratio correlated with ball punch depth, forming limit strains, and limiting draw ratio. Such correlations were not apparent in the W temper, however, nor could the two tempers be compared on the basis of tensile data alone.
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Dorward, R.C. Forming characteristics of coarse and fine-grained AA 2024 aluminum alloy sheet. JMEP 3, 115–121 (1994). https://doi.org/10.1007/BF02654507
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DOI: https://doi.org/10.1007/BF02654507