The forming behavior of Al-Cu-Mg-Mn alloy 2024 sheets 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.
Forming Characteristics of Coarse and Fine Grained Aluminum Alloy Sheet (2024, 7075, 6061)
Sae Technical Papers
Aerospace Technology Conference and Exposition ; 1993
1993-09-01
Conference paper
English
Forming Characteristics of Coarse and Fine Grained Aluminum Alloy Sheet (2024, 7075, 6061)
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