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Experimental studies of Regulated Metal Deposition (RMD™) on ASTM A387 (11) steel: study of parametric influence and welding performance optimization

  • Dinbandhu
  • Vishalkumar Prajapati
  • Jay. J. Vora
  • Subhash Das
  • Kumar AbhishekEmail author
Technical Paper
  • 56 Downloads

Abstract

The present study aims to highlight the effect of the governing variables in regulated metal deposition (RMD™) on the mechanical properties and weld quality of low alloy steel. Current, voltage, and gas flow rate have been considered as main (RMD™) parameters, whereas heat-affected zone, depth of penetration, bead width, and bead height have been taken into account as welding performance characteristics. Signal to noise has been utilized in order to determine the optimal welding parameters, while analysis concerning the significant level of determination has been assessed using analysis of variance. Furthermore, the exploration of principal component analysis and combined quality loss concept integrated with the Taguchi method has been introduced to assess the favorable welding condition. The optimal favorable machine combination has been obtained as current = 100 A, V = 13 V, and gas flow rate = 21 L/min using both the methods.

Keywords

Advanced GMAW Regulated Metal Deposition (RMD™) Principal component analysis Combined quality loss 

Notes

Acknowledgements

The authors acknowledge the efforts of ITW India Pvt Limited, Vadodara, Gujarat, and thank them for their immense support in the execution of experiments.

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Copyright information

© The Brazilian Society of Mechanical Sciences and Engineering 2020

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringInstitute of Infrastructure Technology Research and Management (IITRAM)AhmedabadIndia
  2. 2.Department of Mechanical Engineering, School of TechnologyPandit Deendayal Petroleum UniversityGandhinagarIndia
  3. 3.ITW India Pvt Limited, Welding GroupVadodaraIndia

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