2001•The Chinese Journal of Nonferrous MetalsRequires access

Flow stress of 7075 aluminum alloy during hot compression deformation

Lin Gao

Abstract

The flow stress behavior of 7075 aluminum alloy during hot compression deformation was studied by isothermal compression test at Gleeble 1500 thermal mechanical simulator. The results show that the flow stress is controlled by both strain rate and deforming temperature, the flow stress decreases with the increase of deforming temperature, while increases with the increase of strain rate. The flow stress of 7075 alloy during high temperature deformation can be represented by a Zener Hollomon parameter in exponential form.[

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Key concepts: Materials science, Flow stress, Strain rate, Isothermal process, Deformation (meteorology), Compression (physics), Alloy, Stress (linguistics)