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Authors
Affiliations
1 Department of Mechanical Engineering, Cambridge Institute of Technology, Bangalore, IN
2 BTL Institute of Technology, Bangalore, IN
Source
International Journal of Engineering Research, Vol 5, No SP 6 (2016), Pagination: 1222-1225
Abstract
The Aluminium metal matrix composites are being considered for their strength to weight ratio and better mechanical characteristics, they find application in the field of automotive, aerospace, and construction. In present work the composite material is fabricated with fly ash composition of 9%,12%, & 15% weight fraction and Alumina (Al2O3) with 6% weight fraction using vortex casting. SEM and EDS analysis revealed the particulate distribution as even and there by Mechanical test are carried out. It was observed that tensile and hardness properties were excellent when compared with monolithic alloy and the fatigue behaviour revealed that composite with 6% Al2O3 and 15% fly ash has good fatigue life compared with monolithic alloy. The fatigue test was conducted using fully reversed cycle R=-1 using rotating bending machine at room temperature. Loads are defined by considering 0.5UTS, 0.7UTS and 0.9UTS to plot S-N curve.
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