Characterization and Wear Behavior of Nano ZrO2 Reinforced Copper-Zinc Alloy Composites
Prasad H Nayak1, Srinivas H K2, Madeva Nagaral3, V Auradi4

1Prasad H. Nayak*, Research Scholar, VTU RRC and Assistant Professor, Dept., of Mechanical Engineering, The Oxford College of Engineering, Bangalore, India.
2Srinivas H K, Professor, Department of Mechanical Engineering, SJBIT Bangalore, India.
3Madeva Nagaral, Deputy Manager, Aircraft Research and Design Centre, HAL, Bangalore, India.
4V. S. Auradi, Associate Professor, Department of Mechanical Engineering, Siddaganga Institute of Technology, Tumkur, India.
Manuscript received on July 20, 2019. | Revised Manuscript received on August 10, 2019. | Manuscript published on August 30, 2019. | PP: 1252-1256 | Volume-8 Issue-6, August 2019. | Retrieval Number: F8390088619/2019©BEIESP | DOI: 10.35940/ijeat.F8390.088619
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Abstract: In the present investigation, an endeavor has been made to create copper-zinc-nano ZrO2 particulates strengthened composites by utilizing liquid stir technique. 4, 8 and 12 wt. % of nano ZrO2 particulates were added to the Cu-10 wt. % Zn base grid. Microstructural studies were finished by utilizing SEM and EDS examinations. Wear behavior of Cu-Zn-4, 8, 12 wt. % of nano ZrO2 composites were assessed according to ASTM G99 benchmarks. Scanning electron micrographs uncovered the uniform dispersion of nano ZrO2 particulates in the copper zinc composite network. EDS examination affirmed the nearness of Zr and O components in nano ZrO2 strengthened composites. The experiments were conducted at a constant speed of 400rpm and sliding distance of 3000m over a varying load of 1, 2, 3 and 4 kg. Similarly, at a constant load of 4 kg and sliding distance of 3000m over a varying sliding speed of 100, 200, 300 and 400rpm. The results showed that the wear resistance of Cu-Zn-4, 8% and 12% ZrO2 nano composites were superior than the as cast alloy. As load and speed increased the height loss in the composites and alloy was increased. Worn surface morphology was studied by using SEM.
Keywords: Cu-Zn Alloy, Nano ZrO2 Particulates, Scanning Electron Microscope, Wear, Worn Surface.