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Optimization of Process Parameters for GMAW of High Carbon Steel using TOPSIS


Affiliations
1 Department of Mechanical Engineering, Dr. B.C. Roy Engineering College, Durgapur, Duragpur - 713206, West Bengal, India
2 Department of Mechanical Engineering, Indian Institute of Technology, Indore - 453331, Madhya Pradesh, India
3 Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani-741235, West Bengal, India
 

TOPSIS is an extensively used multi-criteria decision making tool. It is simple in form and easy to apply in complex decision making problems. In the present work, TOPSIS is applied for selecting appropriate process parameters for Gas Metal Arc Welding (GMAW) of High-Carbon Steel specimens. Experiments were performed on specimens using MAG welding with varying process parameters. Experimental outcomes are analyzed and the results obtained from the TOPSIS process are depicted in ranking the best alternative corresponding to a set of process parameters. It is found that160 A of weld current, 30 V of weld voltage and welding torch speed of 370.5 mm/min setting with the highest heat input in the present investigation is giving the best result according to TOPSIS.

Keywords

TOPSIS, GMAW, Closeness to Ideal Solution, Ranking, Optimization.
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  • Optimization of Process Parameters for GMAW of High Carbon Steel using TOPSIS

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Authors

Subhajit Bhattacharya
Department of Mechanical Engineering, Dr. B.C. Roy Engineering College, Durgapur, Duragpur - 713206, West Bengal, India
Kazi Sabiruddin
Department of Mechanical Engineering, Indian Institute of Technology, Indore - 453331, Madhya Pradesh, India
Santanu Das
Department of Mechanical Engineering, Kalyani Govt. Engineering College, Kalyani-741235, West Bengal, India

Abstract


TOPSIS is an extensively used multi-criteria decision making tool. It is simple in form and easy to apply in complex decision making problems. In the present work, TOPSIS is applied for selecting appropriate process parameters for Gas Metal Arc Welding (GMAW) of High-Carbon Steel specimens. Experiments were performed on specimens using MAG welding with varying process parameters. Experimental outcomes are analyzed and the results obtained from the TOPSIS process are depicted in ranking the best alternative corresponding to a set of process parameters. It is found that160 A of weld current, 30 V of weld voltage and welding torch speed of 370.5 mm/min setting with the highest heat input in the present investigation is giving the best result according to TOPSIS.

Keywords


TOPSIS, GMAW, Closeness to Ideal Solution, Ranking, Optimization.

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DOI: https://doi.org/10.21843/reas%2F2018%2F12-24%2F195546