Parametric Effects on Mechanical Properties of Aluminium Silicon Alloy using Powder Metallurgy Technique
Journal Title: International Journal of Engineering & Technical Innovations IJETI - Year 2017, Vol 4, Issue 2
Abstract
Powder metallurgy offers an alternate technology, enabling us in producing alloys having improved fatigue, corrosion, and stress-corrosion resistance, as well as improved toughness and strength at room or elevated temperatures. In the present research work, experiments were performed using different parameters and different compositions of powder. Three compositions of powder were used as given under-: (1) Silicon 6% by weight, iron 1% by weight and rest amount of aluminum (Al-6Si-1Fe) (2) Silicon 8% by weight, iron 1% by weight and rest amount of aluminum (Al-8Si-1Fe) (3) Silicon 10% by weight, iron 1% by weight and rest amount of aluminum (Al-10Si-1Fe) Using powder sample (Al-6Si-1Fe), specimen pieces were made at different compacting pressure (1.5 ton, 2 ton, 2.5 ton, 3 ton, 3.5 ton). It was seen that the relative density of aluminum alloy increases with the increase in compacting pressure (near about 1 at 3.5 ton). Using powder sample (Al-6Si-1Fe), specimen pieces were made at same compacting pressure but sintering temperature is kept different (400˚C, 420˚C, 445˚C) for each piece. It was seen that the relative density of aluminum alloy also increases with increase of sintering temperature. Using powder samples (Al-6Si-1Fe), (Al-8Si-1Fe) and (Al-10Si-1Fe), mechanical tests (compression test, tensile test and hardness test) were performed with the help of different parameters. And it was found that an aluminum alloy having silicon 5 to 10 % by weight, iron 1% by weight and rest amount of aluminum, have excellent mechanical properties when sintered at a temperature of 4000c to 4450C.
Authors and Affiliations
Rajender, Kuldeep Malik Jagdeep Sangwan
Keywords
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