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Application of MOORA to Optimize WEDM Process Parameters: A Multi-criteria Decision Making Approach

  • Himadri Majumder
  • Srimant Kumar MishraEmail author
  • Anil R. Sahu
  • Anil Laxmanrao Bavche
  • Mahadev Valekar
  • Bijaya Kumar Padaseti
Conference paper

Abstract

Wire electrical discharge machining (WEDM) is a versatile, most useful non-conventional machining process used to machine conductive materials with high precision for cutting intricate shapes, complex profiles etc. This paper exemplifies a multi-criteria decision making (MCDM) approach, multi-objective optimization on the basis of ratio analysis (MOORA) to optimize major process parameters for several contradictory responses during WEDM of inconel 718. The selected WEDM responses are cutting rate (CR), arithmetic mean roughness (Ra) and machining time (MT). All of these have been examined by varying pulse-on time (TON), pulse-off time (TOFF), pulsed current (I) and servo voltage (SV). The optimal machining condition for multi-performance features has been found as TON = 120 µs., TOFF = 46 µs., I = 230 A. and SV = 20 V. Hence, current research concentrated on the utilization of MCDM method MOORA as a critical selection approach to when deal with multi criteria optimization environment.

Keywords

Inconel 718 MCDM MOORA, optimization WEDM 

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Himadri Majumder
    • 1
  • Srimant Kumar Mishra
    • 1
    Email author
  • Anil R. Sahu
    • 1
  • Anil Laxmanrao Bavche
    • 1
  • Mahadev Valekar
    • 1
  • Bijaya Kumar Padaseti
    • 2
  1. 1.Department of Mechanical EngineeringG. H. Raisoni College of Engineering and ManagementPuneIndia
  2. 2.Department of Mechanical EngineeringNational Institute of TechnologyRourkelaIndia

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