Abstract
In the present paper, the microstructure, mechanical and corrosion properties of Al–Zn-Mg alloys containing different contents of tellurium have been investigated. Optical microscopy, SEM/EDX, hardness and different electrochemical techniques have been utilized. The outcomes showed that additions of Te to the alloy, refined the grains and offered improvements in corrosion resistance and the mechanical properties of Al-Zn-Mg alloys. The grain size decreased from 17.11 to 78.09μm, while the hardness grew from 82, to 107 (HB) with rising Te content to 0.5 wt. %. However, the findings proved that increasing Te shifted the corrosion potentials to more negatives values.
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