Different Stress States Deformation of AA6082 Subjected to Different Artificially Aged Conditions

Ehab El-Danaf; Tarek M. El-Hossainy

doi:10.4028/www.scientific.net/AMR.83-86.421

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 83-86Different Stress States Deformation of AA6082...

Different Stress States Deformation of AA6082 Subjected to Different Artificially Aged Conditions

Abstract:

The artificial aging response of Al-Mg-Si 6082 aluminum alloy is investigated over a wide temperature range. Samples aged to under aged, peak aged and over aged conditions are further subjected to plastic deformation by simple compression, plane strain compression and simple shear. The flow behavior and the corresponding hardening rates are documented. Equivalent stress – strain curves are generated for the three stress states for an aging temperature of 160oC. Strain reversal experiments in simple shear were carried out in order to characterize the Bauschinger effect. Strain path change experiments were also conducted, in which the gage section that was first deformed by simple shear was further deformed by simple compression.