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Effect of hot extrusion on microstructure and tensile properties of Ni coated Si3N4 and Cu coated Carbon fibres reinforced Al6061 hybrid composite.

Ramesh, C.S., Khan, S. and Khan, Z. A., 2019. Effect of hot extrusion on microstructure and tensile properties of Ni coated Si3N4 and Cu coated Carbon fibres reinforced Al6061 hybrid composite. In: International Workshop on Materials and Design (MatDes 2019), 29 March-1 April 2019, Oxford, United Kingdom.

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Abstract

The effects of hot extrusion and addition of nickel coated silicon nitride (Si3N4), copper coated carbon fibres (Cf) on the microstructure and tensile properties of Al6061 hybrid metal matrix composite (MMC) have been investigated. Hybrid Al6061 based MMC was processed by stir casting process with nickel coated Si3N4 (6 Wt %) and copper coated Cf (1 Wt %) as reinforcements followed by hot extrusion. The developed composites and its alloy before and after extrusion were subjected to metallographic and tensile strength studies. The results obtained from tensile testing at room temperature revealed that the addition of reinforcement (Nickel-coated Si3N4 and copper coated carbon fibres) in Al6061 alloy, and hot extrusion process improve yield strength, ultimate tensile strength (UTS) and % elongation as well. The fracture surface was analysed by Scanning electron microscopy (SEM) and Energy dispersive spectroscopy (EDS).

Item Type:Conference or Workshop Item (Paper)
Additional Information:International collaboration. Funded by Development of nano composite coatings for enhanced performance in non-conventional lubricants under sliding contact. Funded by Development of thermally activated self-lubricated ceramic-based polymeric Nano composite coatings for enhanced performance in conventional lubricants under sliding contact. Funded by Electroplated composite coatings with incorporated nano particles for tribological systems with the focus on water lubrication. Funded by Polarisation and Coating Data research.
Uncontrolled Keywords:Hybrid composite; Hot extrusion; Ni coated Si3N4; Cu coated Cf; UTS
Group:Faculty of Science & Technology
ID Code:31595
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:20 Dec 2018 15:09
Last Modified:02 Apr 2019 08:23

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