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International Journal of Technology Enhancements and Emerging Engineering Research (ISSN 2347-4289)
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International Journal of Technology Enhancements and Emerging Engineering Research  
International Journal of Technology Enhancements and Emerging Engineering Research

Website: http://www.ijteee.org

ISSN 2347-4289



Study Of Mechanical And Tribological Properties Ofal-6061 Reinforced With Silicon Carbide And Graphite Particles

[Full Text]

 

AUTHOR(S)

B.Pavithran, J.Swathanandan, N.Praveen, S.R.Prasanna Kumar, D.Senthil Kumaran

 

KEYWORDS

Keywords: Al 6061, HMMC’s, SiC, Graphite, Stir Casting, Pin on Disc, Wear rate.

 

ABSTRACT

ABSTRACT: Aluminium based Hybrid Metal Matrix composite (HMMC) Exhibit Excellent Wear Resistant,Strength – Weight Ratio and Tribological Properties in comparison with the base alloy for wide variety of Engineering Applications in Automotive, Aerospace and Heavy Machinery Industry. However the Particulate Reinforced Hybrid–Metal Matrix Composites for Engineering Applications has been challenged by several reasons such as High Manufacturing Cost, Poor Machinability and achieving uniform distribution of Reinforcement within the Matrix. However economical Liquid Metallurgy technique – Stir casting, can be used to overcome these challenges. In the present work, efforts has been made to develop Aluminium based HMMC with Silicon Carbide Particulates (50µm) and Graphite Powder (60µm) as Particulate reinforcement using Stir – Casting Furnace by Proper Selection of Operating Parameters for achieving enhanced properties. Hardness, Tensile strength, Compressive strength and toughness are testedas per ASTM standards. Wear test has been carried out with Pin on Disc dry sliding test rig with sliding velocity of 2 m/s and 4m/s under load of 30N and 50N.Wear test indicate better wear resistant properties of the composite as the percentage of reinforcement increases. It is found that addition of SiC and Gr reinforcements have enhanced the properties of the base aluminium.

 

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