Optimization of Process Parameters on Sliding Wear Behavior of Aluminum 7075 Hybrid Nanocomposite Analyzed Using Desirability Approach-Part II

Abstract

AbstractAluminum 7075 metal matrix composites are most attracted materials in the production of marine applications, automobile parts and aircraft parts due to their excellent tribological and mechanical properties. Ultra-sonic cavitation method is the most effective method for the production of aluminum nanocomposites which was adopted for the composite fabrication. Pin-on-disk tribometer was utilized to conduct the dry sliding wear tests and three process parameters have been considered. This paper presents the optimization of wear process parameters on cast Al7075/SiC (p)/Gr hybrid metal matrix nanocomposites using desirability approach. The specific wear rate and wear loss have been optimized using desirability method. The specific wear rate increases with increased sliding distance and sliding velocity and decreases with increase in applied load at low sliding distance. The applied load and sliding distance contribute more on perdition of specific wear rate and wear loss. The effect of parameters and significance of their interactions on wear loss, specific wear rate has been investigated by ANOVA and the wear pattern was analyzed with 3D surface profilometer.KeywordsAl nanocompositesSpecific wear rateWear lossGraphite particulatesDesirability