Mechanical Properties of Al 6061/Al2O3 Nanocomposite by Stir Casting | ||
| Engineering and Technology Journal | ||
| Article 12, Volume 36, 3A, March 2018, Pages 328-332 PDF (622.49 K) | ||
| DOI: 10.30684/etj.36.3A.12 | ||
| Authors | ||
| Hussain J. Al-Alkawi* 1; Huda A. Al-Salihi2 | ||
| 1Electromechanical Engineering Department, University of Technology - Iraq | ||
| 2University of Technology-Electromechanical Eng.Depat., Baghdad, Iraq | ||
| Abstract | ||
| Present work deals with the examination of the mechanical properties of Al 6061 composites, which were successfully fabricated by stir casting technique and then reinforced by using different percentages of Al2O3 nanoparticles up to 10 wt%. The required samples were carefully prepared. Evaluation of the mechanical properties such as hardness, yield tensile stress and ultimate tensile stress were effectively obtained at various percentages of Al2O3 nanoparticles .It was found that the mechanical properties of 6061 /Al2O3 nanoparticles are critically influenced by the concentrations of the reinforced Al2O3 nanoparticle, since there was a substantial enhancement in the mechanical properties, as the fractions of Al2O3 nanoparticles increased. This improvement in the mechanical properties was attributed to the uniform distribution of reinforcement nanoparticles as well as the grain refinement of aluminum matrix with minimal porosity. | ||
| Keywords | ||
| Metal Matrix Composite; Aluminium alloy (Al 6061); Stir casting method; Mechanical properties | ||
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