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Experimental Investigation On The Performance Of Copper-Based Mwcnt Composite Electrode In Edm

Author

Listed:
  • PROSUN MANDAL

    (Department of Mechanical Engineering, National Institute of Technology, Silchar 788010, Assam, India)

  • SUBHAS CHANDRA MONDAL

    (��Department of Mechanical Engineering, Indian Institute of Engineering Science and Technology, Shibpur 711103, Howrah, West Bengal, India)

Abstract

In this paper, the copper (Cu)-based multi-wall carbon nanotube (MWCNT) composite tools were fabricated using electro-co-deposition method. The composite tools were prepared from different MWCNT concentrated (0.5, 0.75 and 1g/L) electrolytic solution and these tools were utilized in electro discharge machining (EDM). The experiments were performed with varying discharge currents. The results indicated that the incorporation of MWCNTs into the copper matrix greatly influenced the machining performances. A lower rate of tool wear and higher material removal rate (MRR) were observed for the copper-based MWCNT composite tools at different discharge currents. The highest tool wear rate (TWR) was reduced by 45.68% and the MRR was improved by 63% for the Cu-MWCNT (0.5g/L) composite tool compared to copper coated tool. At higher discharge current, smoother machined surfaces were generated using copper-based MWCNT composite tools compared to the copper tools. The SEM image exhibits that the micro-crack-free machined surfaces were produced by using copper-based MWCNT composite tools. The migration of tool material to the machined surface was also reduced for copper-based MWCNT composite tools.

Suggested Citation

  • Prosun Mandal & Subhas Chandra Mondal, 2022. "Experimental Investigation On The Performance Of Copper-Based Mwcnt Composite Electrode In Edm," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 29(11), pages 1-12, November.
    • Handle: RePEc:wsi:srlxxx:v:29:y:2022:i:11:n:s0218625x22501414
    DOI: 10.1142/S0218625X22501414
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    Keywords

    MWCNT; EDM; TWR; MRR; SR; micro-crack;
    All these keywords.

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