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Hardening behavior and structural evolution upon strain reversal of aluminum alloys |
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| Authors: | E. F. Rauch J. J. Gracio F. Barlat A. B. Lopes J. Ferreira Duarte |
| Affiliation: | a Génie Physique et Mécanique des Matériaux, ENSPG-INPG (ESA CNRS 5010), BP 46, 38402, Saint Martin d‘Hères Cedex, France b Department of Mechanical Engineering, Center for Mechanical Technology and Automation, University of Aveiro, 3810, Aveiro, Portugal c Alcoa Inc., Alcoa Technical Center, 100 Technical Drive, Alcoa Center, PA 15069-0001, USA d Department of Ceramics and Glass, University of Aveiro, 3810, Aveiro, Portugal e Department of Mechanical Engineering, University of Oporto, 4099, Porto, Portugal |
| Abstract: | The mechanical behavior and the dislocation structure change upon strain reversal are analyzed for 1050-O and 6022-T4 aluminum alloys. Dissolution of the dislocation structure and related transient hardening rate are observed in the AA1050-O but impeded by the numerous precipitates and the high solute content in the AA6022-T4. |
| Keywords: | Mechanical properties Structural behavior Bauschinger effect Aluminum alloys |
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