Wear behaviour of Al 8011-nano ZrO2 composites: a parametric optimisation using Taguchi-grey relational approach Online publication date: Thu, 27-Oct-2022
by J.C. Thippeswamy; N. Sathisha
International Journal of Materials Engineering Innovation (IJMATEI), Vol. 13, No. 4, 2022
Abstract: Aluminium metal matrix (AlMM) composites with nano particle reinforcement are majorly applied in aerospace, defence, marine, and space applications because of outstanding mechanical qualities. The preparation of Aluminium 8011(Al 8011)-nano ZrO2 metal matrix composite with a weight percentage (wt. %) varied between 2%, 4% and 6% by stir casting. This study primarily focused on using Taguchi-grey relational approach to analyse wear attributes. The presence of nano ZrO2 particles in the Al matrix was discovered using X-ray diffraction (XRD) pattern. The experiments are conducted with respect to the Taguchi L27 orthogonal array using pin-on-disc wear testing equipment. The combined effect of three process factors on the rate of wear and frictional force in a dry environment was investigated using load (N), speed (rpm), and weight percent of nano ZrO2. Grey relation analysis (GRA) is used to find the significant affecting parameters. Using scanning electron microscope, wear behaviour is examined.
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