Experimental study on the influence of LBW process parameters on mechanical properties of dissimilar metal joints

Authors

  • B. Narayana Reddy Department of Mechanical Engineering, Sri Venkateswara University, Tirupati
  • P. Hema Department of Mechanical Engineering, Sri Venkateswara University, Tirupati
  • G. Padmanabhan Department of Mechanical Engineering, Sri Venkateswara University, Tirupati

Keywords:

Laser Beam Welding, Ultimate Tensile Strength, Impact Strength, Analysis of Variance, TOPSIS

Abstract

 

Laser Beam Welding technique is applied to conduct experiments on joining of dissimilar metals, AISI 4130 and AISI 310 steels so as to study the influence of process parameters on mechanical properties of joints. Taguchi L25 Orthogonal Array is selected to join 2mm thick dissimilar steels by varying Laser Power, Welding Speed, Beam Incident Angle, Focal Point Position and Focal Length. Output results of Ultimate Tensile Strength (UTS) and Impact Strength (IS) are measured. ANOVA is carried out to obtain the levels of influence of process parameters and statistical evolution of the results. TOPSIS optimization is applied to transmogrify a multi-criteria optimization problem into a single-criterion problem, so as to obtain optimal combination of process parameters of Laser Beam Welding. Then UTS and IS are maximised. Results have revealed that the proposed method is appropriate for solving multi-criteria optimization of process parameters.

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Published

08-09-2023

How to Cite

Reddy, B. N., Hema, P., & Padmanabhan, G. (2023). Experimental study on the influence of LBW process parameters on mechanical properties of dissimilar metal joints. Manufacturing Technology Today, 18(5), 21–27. Retrieved from https://mtt.cmti.res.in/index.php/journal/article/view/225

Issue

Vol. 18 No. 5 (2019): May 2019

Section

Articles

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All the articles published in Manufacturing Technology Today (MTT) Journal are held by the Publisher. Central Manufacturing Technology Institute (CMTI) as a publisher requires its authors to transfer the copyright prior to publication. This will permit CMTI to reproduce, publish, distribute, and archive the article in print and electronic form and also to defend against any improper use of the article.