Author:
Suresh Sonagiri,Vinod Baridu,Reddy Sangireddy Sunil Kumar,Elaiyarasan Uthirapathi
Abstract
This study investigates the mechanical properties and the wear behavior of Al 7075/Al2O3/SiCNP composites. The hybrid composites are manufactured using the stir casting technique. In this work, the Al 7075 alloy is reinforced with five different weight fractions of Al2O3 and a constant SiCNp, with an average particle size of 50 nm. The aluminum metal matrix composites are examined through surface morphology and X-ray diffraction (XRD) patterns to identify the material behavior. The material characteristics and the wear behavior of the metal composites are examined using a pin-on-disk test. Wear measurements are performed by varying loads, sliding speeds, and sliding distances. The results reveal that the composites reinforced with 4% of Al2O3 particulates exhibit superior properties. The wear rate and the coefficient of friction (COF) decrease with the increase in the reinforcement content.
Publisher
Taiwan Association of Engineering and Technology Innovation
Reference20 articles.
1. S. Suresh, et al., “Investigation on Tribological and Machining Characteristics of Al 7075/MWCNTs Nanocomposites,” Journal of Bio-and Tribo-Corrosion, vol. 6, Article no. 97, June 2020.
2. P. V. Reddy, et al., “Mechanical and Wear Performances of Aluminium-Based Metal Matrix Composites: A Review,” Journal of Bio- and Tribo-Corrosion, vol. 6, Article no. 83, June 2020.
3. S. Suresh, et al., “Wear Behavior of Al 7075/Al2O3/SiC Hybrid NMMC’s by Stir Casting Method,” Materials Today: Proceedings, vol. 24, no. 2, pp. 261-272, August 2020.
4. S. Dhanasekaran, et al., “SiC and Al2O3 Reinforced Aluminum Metal Matrix Composites for Heavy Vehicle Clutch Applications,” Transactions of the Indian Institute of Metals, vol. 69, no. 3, pp. 699-703, May 2017.
5. N. Radhika, et al., “Studies on Mechanical Properties and Tribological Behaviour of LM25/SiC/Al2O3 Composites,” Journal of Engineering Science and Technology, vol. 10, no. 2, pp. 134-144, February 2015.