Wear Behavior of Al6061/TiO2 Composites Synthesized by Stir Casting Process | ||||
| Journal of Advanced Engineering Trends | ||||
| Article 10, Volume 41, Issue 2, July 2021, Page 113-125 PDF (831.56 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jaet.2021.55413.1081 | ||||
 View on SCiNiTO | ||||
| Author | ||||
Ahmed Mohamed Ali 
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| Production Engineering & Design Department, Engineering Faculty, Minia University, El-Minia, Egypt | ||||
| Abstract | ||||
| Aluminum, as a base metal in metal matrix composites (MMCs), has favor over other traditional materials in the scopes of aviation, space, automotive and marine applications because of their improved properties such as specific strength, good corrosion resistance. Wear behavior, as a major inferiority for Al6061, was tried to be improved by adding Titanium Dioxide (TiO2) nanoparticles constituting a wear resistant composite that complies with tribological uses such as brakes. Composites reinforced with weight percentages 1:5 wt% of TiO2 with step of 1% were prepared using stir casting technique. The addition of the TiO2 deeply affected the wear performance of Al6061 alloy where the more the percentage of the reinforcement was added, the more the coefficient of friction was elevated where reinforced composite with 5 wt% of reinforcement particles showed highest coefficient of friction. In the other hand, the reinforced composite with 5 wt% TiO2 had the biggest wear even, in some cases, more than the unreinforced alloy, while 2 wt% TiO2-composite showed the lowest wear over friction process. | ||||
| Keywords | ||||
| Metal Matrix Composites; Al6061; Titanium dioxide (TiO2); Microhardness; Coefficient of Friction | ||||
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