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Machining studies of die cast aluminum alloy-silicon carbide composites

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Abstract

Metal matrix composites (MMCs) with high specific stiffness, high strength, improved wear resistance, and thermal properties are being increasingly used in advanced structural, aerospace, automotive, electronics, and wear applications. Aluminum alloy-silicon carbide composites were developed using a new combination of the vortex method and the pressure die-casting technique in the present work. Machining studies were conducted on the aluminum alloy-silicon carbide (SiC) composite work pieces using high speed steel (HSS) end-mill tools in a milling machine at different speeds and feeds. The quantitative studies on the machined work piece show that the surface finish is better for higher speeds and lower feeds. The surface roughness of the plain aluminum alloy is better than that of the aluminum alloy-silicon carbide composites. The studies on tool wear show that flank wear increases with speed and feed. The end-mill tool wear is higher on machining the aluminum alloy-silicon carbide composites than on machining the plain aluminum alloy.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Thiagarajar College of Engineering, Madurai, 625015, India

    Thambu Sornakumar & Marimuthu Kathiresan

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  1. Thambu Sornakumar
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  2. Marimuthu Kathiresan
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Sornakumar, T., Kathiresan, M. Machining studies of die cast aluminum alloy-silicon carbide composites. Int J Miner Metall Mater 17, 648–653 (2010). https://doi.org/10.1007/s12613-010-0369-6

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  • DOI: https://doi.org/10.1007/s12613-010-0369-6

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