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Effects of Heat-Treatments on Tensile Strength and Electrical Conductivity of Locally Formulated Al-Ni Alloys

Journal: International Journal of Engineering Research (IJER) (Vol.4, No. 7)

Publication Date:

Authors : ; ; ;

Page : 384-388

Keywords : Heat-Treatment; Strength; Conductivity and Sand-mould;

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:This Paper investigated effects of annealing and age hardening on the ultimate tensile strength (UTS) and electrical conductivity of aluminium-nickel cast using sand mould. Pure aluminium melt was alloyed with nickel, which was added in 2% to 10% step 2. Annealing and age hardenings were carried out and obtained results showed that Al-2%Ni alloy has the highest UTS of 604.44MPa. On the other hand, Al-6%Ni Annealed alloy has the highest electrical conductivity, with a value of 6.15 × 107 S/m. The Al-4%Ni alloy combined both high strength and conductivity, having UTS of 603.28MPa and electrical conductivity of 5.69 × 107 S/m.

Last modified: 2015-07-02 23:25:54