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TAGUCHI GREY RELATIONAL MULTI-RESPONSE EXPERIMENTAL OPTIMIZATION ON MODIFICATION OF Al-6061 SURFACE USING Si–Cu GREEN COMPACT TOOL IN EDM

Author

Listed:
  • RASHED MUSTAFA MAZARBHUIYA

    (Department of Mechanical Engineering, NIT Meghalaya, Shillong 793003, India)

  • BHARGAB MADHAB BARUA

    (Department of Mechanical Engineering, NIT Meghalaya, Shillong 793003, India)

  • MANESWAR RAHANG

    (Department of Mechanical Engineering, NIT Meghalaya, Shillong 793003, India)

Abstract

This paper presents the surface modification of aluminium-6061 by electric discharge machining (EDM). Si–Cu powder metallurgical green compact tool is used to deposit its material on to the work surface under reverse polarity of EDM. Compact load, current and pulse on-time are selected control parameters. Material deposition rate (MDR), tool wear rate (TWR) and surface roughness (Ra) are considered as process outputs. Scanning electron microscopic (SEM) analysis and energy dispersive X-ray (EDX) analysis show the presence of tool materials in the deposit of work surface. Olympus optical micrograph shows an average thickness of the deposited layer to be 18.73μm. The hardness of the deposited layer is found to be 268HV. Analysis of variance (ANOVA) shows the compact load to be the most effective parameter on surface modification followed by pulse on-time and current, respectively.

Suggested Citation

  • Rashed Mustafa Mazarbhuiya & Bhargab Madhab Barua & Maneswar Rahang, 2021. "TAGUCHI GREY RELATIONAL MULTI-RESPONSE EXPERIMENTAL OPTIMIZATION ON MODIFICATION OF Al-6061 SURFACE USING Si–Cu GREEN COMPACT TOOL IN EDM," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 28(09), pages 1-8, September.
    • Handle: RePEc:wsi:srlxxx:v:28:y:2021:i:09:n:s0218625x21500736
    DOI: 10.1142/S0218625X21500736
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