Abstract
The effects of deformation temperatures and post-deformation annealing on mechanical properties, in conjunction with microstructural evolution in the 5052 Al alloy, were investigated. The combination of cryogenic-rolling with warm-rolling effectively increased tensile strength and yield strength without the decrease of ductility through the formation of ultra-fine grains with dynamic recovery in the 5052 Al alloy. And static annealing, as a post-heat treatment, enhanced the ductility. Therefore, ultra-fine grained 5052 Al alloy with high strength and a moderate level of ductility could be made by the combination of cryogenic-rolling with warm-rolling and the additional static annealing process.
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Acknowledgements
This work was supported by Priority Research Centers Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science and Technology (2009-0093814) and by Industrial Source Technology Development Programs (funded by the Ministry of Knowledge Economy (MKE, Korea).
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Kang, U.G., Lee, J.C., Jeong, S.W. et al. The improvement of strength and ductility in ultra-fine grained 5052 Al alloy by cryogenic- and warm-rolling. J Mater Sci 45, 4739–4744 (2010). https://doi.org/10.1007/s10853-010-4573-6
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DOI: https://doi.org/10.1007/s10853-010-4573-6