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Friction and Wear Characteristics of Hot-Rolled Al7075-TiO2-Graphite Hybrid Composites
https://orcid.org/http://orcid.org/0000-0002-8478-0934
This paper investigates the effects of titanium dioxide and graphite hybrid reinforcement inclusion, as well as hot rolling, on the microhardness, microstructure, and friction–wear behaviour of a hybrid composite based on Al7075. Stir casting and hot rolling were utilised to develop hybrid composites composed of Al7075 dispersed with titanium dioxide and graphite. Microstructural examinations using a scanning electron microscope confirmed the existence of reinforcement particles and their orientations in the rolling direction. The wear test of hot-rolled and as-cast hybrid composites was conducted using an ASTM G99 pin-on-disc arrangement under dry sliding conditions. In terms of wear resistance and coefficient of friction, hot-rolled samples surpassed cast samples under all load and sliding conditions examined. Utilising SEM, the wear mechanisms of cast and rolled alloys, as well as hybrid composites, were analysed.
Friction and Wear Characteristics of Hot-Rolled Al7075-TiO2-Graphite Hybrid Composites
https://orcid.org/http://orcid.org/0000-0002-8478-0934
This paper investigates the effects of titanium dioxide and graphite hybrid reinforcement inclusion, as well as hot rolling, on the microhardness, microstructure, and friction–wear behaviour of a hybrid composite based on Al7075. Stir casting and hot rolling were utilised to develop hybrid composites composed of Al7075 dispersed with titanium dioxide and graphite. Microstructural examinations using a scanning electron microscope confirmed the existence of reinforcement particles and their orientations in the rolling direction. The wear test of hot-rolled and as-cast hybrid composites was conducted using an ASTM G99 pin-on-disc arrangement under dry sliding conditions. In terms of wear resistance and coefficient of friction, hot-rolled samples surpassed cast samples under all load and sliding conditions examined. Utilising SEM, the wear mechanisms of cast and rolled alloys, as well as hybrid composites, were analysed.
Friction and Wear Characteristics of Hot-Rolled Al7075-TiO2-Graphite Hybrid Composites
https://orcid.org/http://orcid.org/0000-0002-8478-0934
This paper investigates the effects of titanium dioxide and graphite hybrid reinforcement inclusion, as well as hot rolling, on the microhardness, microstructure, and friction–wear behaviour of a hybrid composite based on Al7075. Stir casting and hot rolling were utilised to develop hybrid composites composed of Al7075 dispersed with titanium dioxide and graphite. Microstructural examinations using a scanning electron microscope confirmed the existence of reinforcement particles and their orientations in the rolling direction. The wear test of hot-rolled and as-cast hybrid composites was conducted using an ASTM G99 pin-on-disc arrangement under dry sliding conditions. In terms of wear resistance and coefficient of friction, hot-rolled samples surpassed cast samples under all load and sliding conditions examined. Utilising SEM, the wear mechanisms of cast and rolled alloys, as well as hybrid composites, were analysed.
Friction and Wear Characteristics of Hot-Rolled Al7075-TiO2-Graphite Hybrid Composites
J. Inst. Eng. India Ser. D
Gajakosh, Amithkumar (author) / Keshavamurthy, R. (author) / Vasanth Kumar, R. (author)
Journal of The Institution of Engineers (India): Series D ; 104 ; 623-642
2023-12-01
20 pages
Article (Journal)
Electronic Resource
English
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