Abstract
AA 3004 aluminum alloy for can body stock exhibits interesting serrated flow in the stress-strain curves at room temperature. The serrated-flow phenomena are associated with dy-namic strain aging and yield a negative strain-rate dependence of the flow stress. The occurrence of the serrated flow resulting from a negative dependence of the flow stress is well known to limit the formability of many alloys. In order to obtain an in-depth understanding of the serrated flow of the alloy, the characteristics of the serrations were examined as well as the dependence of flow stress on the strain rate and deformation temperature. A description of the effect of deformation temperature and strain-rate sensitivity on the mechanical behavior is discussed.
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PARK, D., MORRIS, J.G. The tensile deformation behavior of AA 3004 aluminum alloy. Metall Mater Trans A 25, 357–364 (1994). https://doi.org/10.1007/BF02647981
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DOI: https://doi.org/10.1007/BF02647981