Abstract
A quantitative evaluation of microstructure and some mechanical properties of Al-3Cu-2Li (wt.%) alloy submitted to solution annealing at 503°C with succeeded age-hardening at three selected temperatures 163°C, 180°C and 190°C for 17 hours were investigated. With increasing the temperature of artificial ageing increases the strength of the alloy and reaches the maximum at 190°C, what is connected with decreasing of the deformation characteristics. Besides precipitates of Al2Cu and Al2CuLi the Cu3Al particles were found.
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References
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Klč, P., Pelachová, T. & Florian, M. Properties and Structural Changes of Al-3Cu-2Li Alloy after Thermal Treatment. Advanced Performance Materials 4, 317–323 (1997). https://doi.org/10.1023/A:1008681206443
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DOI: https://doi.org/10.1023/A:1008681206443