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Comparison between PCA analysis and Grey based Taguchi analysis of TIG welding process parameters on Duplex stainless steel

Sandip Mondal
Department of Mechanical Engineering, Haldia Institute of Technology, Haldia 721657, India
Goutam Nandi
Department of Mechanical Engineering, Jadavpur University, Kolkata-700032, India
Pradip Kumar Pal
Department of Mechanical Engineering, Jadavpur University, Kolkata-700032, India

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Abstract

Tungsten inert gas (TIG) welding on Duplex stainless steel (DSS) is more easy, comfortable and useful, if the process is precisely understood and controlled through development of the science & technology. TIG welding on DSS has been performed with the help of specific controlled welding process parameters. Welding quality has been strongly depended on these process parameters. In this study, some valuable welding parameters are chosen. These are welding current, shielding gas flow rate and speed of welding. These process parameters of TIG welding for ASTM/UNS 2205 DSS welds are optimized by using Principal Component Analysis (PCA) method and Grey based Taguchi’s L9 Orthogonal array (OA) experimental plan with the conception of signal to noise ratio (N/S). After that, compression results of above mentioned two analyses of TIG welding process parameters have been calculated. The quality of the TIG welding on DSS has been evaluated in term of ultimate tensile strength, yield strength and percentage of elongation. Compression results of both analyses indicate application feasibility for continuous improvement of welding quality on DSS in different components of chemical, oil and gas industries.

Keywords

  • TIG welding,
  • UNS DSS2205,
  • Principal Component Analysis (PCA) method,
  • Grey based Taguchi analysis

References

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Article Details

Volume 3, Issue 4, Year 2021

Published 2021-07-09

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How to Cite

Mondal, S., Nandi, G., & Pal, P. K. (2021). Comparison between PCA analysis and Grey based Taguchi analysis of TIG welding process parameters on Duplex stainless steel. International Research Journal of Multidisciplinary Technovation, 3(4), 67–74. https://doi.org/10.34256/irjmt2148

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