Application of MCDM/MADM Approach Entropy-TOPSIS in Turning of AA6061

Ch Maheswara Rao; B B Ashok Kumar; K. Venkata Subbaiah

doi:https://doi.org/10.51976/ijari.922120

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Application of MCDM/MADM Approach Entropy-TOPSIS in Turning of AA6061

Ch Maheswara Rao, B B Ashok Kumar, K. Venkata Subbaiah

Vol 9 , Issue 2 , April - June 2021 | Pages: 126-132 | Research Paper

https://doi.org/10.51976/ijari.922120

Received: January 07, 2021 | Revised: April 28, 2021 | Accepted: May 05, 2021 | Published Online: June 15, 2021

Author Details ( * ) denotes Corresponding author

1. * Ch Maheswara Rao, Department of Mechanical Engineering, ANITS, Visakhapatnam, Andhra Pradesh, India (maheswararao.me@anits.edu.in)

2. B B Ashok Kumar, Department of Mechanical Engineering, ANITS, Visakhapatnam, Andhra Pradesh, India

3. K. Venkata Subbaiah, Department of Mechanical Engineering, Andhra University, Visakhapatnam, Andhra Pradesh, India

In the present work, an experimental investigation has been conducted to optimize the cutting parameters during turning of AA6061-T6 on Lathe in dry conditions. CVD made coated carbide inserts (WEDIA CNMG 120404, CNMG 120408) are used as cutting tools. Cutting speed (1000, 2000, 3000, 4000 RPM), feed (0.05, 0.1, 0.15, 0.2 mm/rev), depth of cut (0.5, 1, 1.5, 2 mm) and Nose radius (0.4, 0.8 mm) were considered as fixed parameters. A mixed level orthogonal array (L16) from taguchi has been adopted for the experiments. The multiple performances of Material Removal rate (MRR) and Roughness characteristics (Ra and Rz) were optimized by a hybrid Entropy-TOPSIS approach. The results revealed that the nose radius has the most predominant effect on the multiple responses.

Keywords

AA6061-T6; Material removal rate (MRR); Roughness characteristics (Ra and Rz); Entropy-TOPSIS approach

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