from the conferences organized by TANGER Ltd. provisional website
This work investigates the formation of the structure of high-strength aluminum alloy based on an Al-Zn-Mg-Ni-Fe system with an iron content of more than 0.5 wt.% during thermomechanical treatment including hot and cold longitudinal rolling with a reduction ratio of 40 and radial-shear rolling with a reduction ratio of 8.16. Microstructural investigations showed that iron and nickel are joined into the eutectic Al9FeNi phase at all stages, and the non-equilibrium T phase has no influence on technological plasticity. A hardness measure showed significant strengthening after rolling and precipitation ageing in mode Т6 and T4.Keywords: High-strength aluminum alloys, thermomechanical treatment, microstructure, hardness
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