Abstract
The current study proposes a simple constitutive model that integrates the kinetics of precipitation during static aging and the kinetics of precipitate dissolution during preheating to deformation temperature to predict the hot flow behavior of AA6063 alloy. The model relates the flow behavior of the age-hardenable alloy to the alloy chemistry, thermal history as well as deformation temperature, strain, and strain rate by means of a physically based model. Different aging conditions, including supersaturated solid solution and overaging conditions with different deformation parameters, were assessed. Each part of the model was in good agreement with those of experimental and other model results published in the literature.
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Acknowledgments
NA and AKT would like to thank the Iran National Science Foundation (INSF) and the Sharif University of Technology, for the financial support extended to the current study. HSK acknowledges the support with the experiments by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (No. 2010-0026981).
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Manuscript submitted February 5, 2013.
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Anjabin, N., Taheri, A.K. & Kim, H.S. Constitutive Modeling of Hot Deformation Behavior of the AA6063 Alloy with Different Precipitates. Metall Mater Trans A 44, 5853–5860 (2013). https://doi.org/10.1007/s11661-013-1916-3
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DOI: https://doi.org/10.1007/s11661-013-1916-3