Abstract
The turning and boring scraps obtained on machining of aluminium is increasing day by day and these scraps are utilised for degraded applications in its next cycle of usage due to declined level of properties. Hence, recycling of aluminium machining scraps without compromising mechanical properties is highly essential to make it as alternative for primary aluminium made components. Therefore, the present study focused on production of the secondary aluminium alloy by recycling H30 aluminium turning and blocky scraps. Weight loss and energy consumption during production of the secondary aluminium alloy is measured. Chemical composition, porosity examination and mechanical properties were assessed on the secondary aluminium alloys and compared with the properties of the virgin H30 aluminium alloy. The mechanical properties of the secondary aluminium alloy are found lower than that of virgin H30 aluminium alloy. Therefore, alloying elements are added during recycling of blocky and turning scraps, and found that improved mechanical properties are attained. Thus the secondary aluminium alloy developed with better performance can be utilised for the automotive components and other applications wherever high strength is essential.
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