TITLE:
Processing and Mechanical Properties of Al2O3 and Red Mud Particle Reinforced AA6061 Hybrid Composites
AUTHORS:
Shaik Mujeeb Quader, B. Suryanarayana Murthy, Pinninti Ravinder Reddy
KEYWORDS:
MMCs, Al2O3, Red Mud, AA6061, Compocasting
JOURNAL NAME:
Journal of Minerals and Materials Characterization and Engineering,
Vol.4 No.2,
March
21,
2016
ABSTRACT: Aluminum 6061 alloy metal matrix composites (MMCs) reinforced with four different weight fractions
of (Al2O3 + red mud) particles up to 10 wt% were fabricated by a vortex method. The effects
of reinforcement content on the mechanical properties of the composites such as hardness and
tensile strength were investigated. The density measurements showed that the samples contained
little porosity, and the amount of porosity in the composites increased with increasing weight
fraction of particles. Scanning electron microscopic observations of the microstructures revealed
that the dispersion of the particles was uniform with small clusters at some places and porosity.
The results showed that the hardness and the tensile strength of the composites increased with
increasing weight fraction of particles.