Effect of graphite and granite dust particulates as micro-fillers on tribological performance of Al 6061-T6 hybrid composites

Anand Pai; Sathya Shankar Sharma; Raynor Errol D'Silva; R. G. Nikhil

doi:10.1016/j.triboint.2015.07.035

Effect of graphite and granite dust particulates as micro-fillers on tribological performance of Al 6061-T6 hybrid composites

Anand Pai, Sathya Shankar Sharma, Raynor Errol D'Silva, R. G. Nikhil

Research output: Contribution to journal › Article › peer-review

42 Citations (Scopus)

Abstract

Abstract Aluminium and its alloys have an ever growing demand in many industries such as aerospace, automotive due to their high strength to weight ratio and corrosion resistance. Our current work focuses on synthesis and tribological studies of precipitation hardened Al 6061-Gr_p-granite dust hybrid composites. Liquid stir casting technique is used for synthesis, precipitation hardening treatment imparted for maximising the hardness before subjecting to two-body sliding wear tests. The variation of wear for different levels of load, speed and composition along with SEM micrographs of the worn surfaces has been investigated. Hybrid combinations of granite dust (2 wt% and 4 wt%) with graphite (2 wt%) show higher tensile strength, hardness and significantly improved wear resistance as compared to the base alloy.

Original language	English
Article number	3770
Pages (from-to)	462-471
Number of pages	10
Journal	Tribology International
Volume	92
DOIs	https://doi.org/10.1016/j.triboint.2015.07.035
Publication status	Published - 17-08-2015

All Science Journal Classification (ASJC) codes

Mechanical Engineering
Mechanics of Materials
Surfaces, Coatings and Films
Surfaces and Interfaces

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10.1016/j.triboint.2015.07.035

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abstract = "Abstract Aluminium and its alloys have an ever growing demand in many industries such as aerospace, automotive due to their high strength to weight ratio and corrosion resistance. Our current work focuses on synthesis and tribological studies of precipitation hardened Al 6061-Grp-granite dust hybrid composites. Liquid stir casting technique is used for synthesis, precipitation hardening treatment imparted for maximising the hardness before subjecting to two-body sliding wear tests. The variation of wear for different levels of load, speed and composition along with SEM micrographs of the worn surfaces has been investigated. Hybrid combinations of granite dust (2 wt% and 4 wt%) with graphite (2 wt%) show higher tensile strength, hardness and significantly improved wear resistance as compared to the base alloy.",

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AU - Pai, Anand

AU - Sharma, Sathya Shankar

AU - D'Silva, Raynor Errol

AU - Nikhil, R. G.

PY - 2015/8/17

Y1 - 2015/8/17

N2 - Abstract Aluminium and its alloys have an ever growing demand in many industries such as aerospace, automotive due to their high strength to weight ratio and corrosion resistance. Our current work focuses on synthesis and tribological studies of precipitation hardened Al 6061-Grp-granite dust hybrid composites. Liquid stir casting technique is used for synthesis, precipitation hardening treatment imparted for maximising the hardness before subjecting to two-body sliding wear tests. The variation of wear for different levels of load, speed and composition along with SEM micrographs of the worn surfaces has been investigated. Hybrid combinations of granite dust (2 wt% and 4 wt%) with graphite (2 wt%) show higher tensile strength, hardness and significantly improved wear resistance as compared to the base alloy.

AB - Abstract Aluminium and its alloys have an ever growing demand in many industries such as aerospace, automotive due to their high strength to weight ratio and corrosion resistance. Our current work focuses on synthesis and tribological studies of precipitation hardened Al 6061-Grp-granite dust hybrid composites. Liquid stir casting technique is used for synthesis, precipitation hardening treatment imparted for maximising the hardness before subjecting to two-body sliding wear tests. The variation of wear for different levels of load, speed and composition along with SEM micrographs of the worn surfaces has been investigated. Hybrid combinations of granite dust (2 wt% and 4 wt%) with graphite (2 wt%) show higher tensile strength, hardness and significantly improved wear resistance as compared to the base alloy.

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Effect of graphite and granite dust particulates as micro-fillers on tribological performance of Al 6061-T6 hybrid composites

Abstract

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