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| Naji, M. |
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| Azevedo, Nuno Monteiro |
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Tändl, Johannes
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Publications (5/5 displayed)
- 2016Influence of Al3(Sc,Zr) precipitates on deformability and friction stir welding behavior of an Al-Mg-Sc-Zr alloycitations
- 2014Investigation of the hot deformation behavior of an Al-Mg-Sc-Zr alloy under plane strain conditioncitations
- 2014Investigation of the precipitation kinetics of a new Al-Mg-Sc-Zr alloycitations
- 2014Electron beam surface structuring of AA6016 aluminum alloycitations
- 2012Friction stir welding of multilayered steelcitations
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article
Investigation of the hot deformation behavior of an Al-Mg-Sc-Zr alloy under plane strain condition
Abstract
This study investigates the hot deformation behavior of a new Al-Mg-Sc-Zr alloy under plane strain conditions. Flow curves corrected for deformation heating were calculated for strain rates between 0.01 and 10s-1 in a temperature range of 200 to 400°C. To evaluate the deformation behavior, strain rate sensitivity as well as flow localization parameter maps were calculated for strains of 0.2, 0.4, and 0.6. In addition, microstructural investigations and hardness measurements were performed for selected samples. It was shown that the flow stress decreased with deacreasing strain rate and increasing temperature. The best formability was observed for high strain rates and low temperatures as well as for low strain rates and high temperatures. In these cases no flow instabilities were observed.