Abstract
The present study is focused on welding of super austenitic stainless steel sheet using gas metal arc welding process with AISI 904 L super austenitic stainless steel with solid wire of 1.2 mm diameter. Based on the Box — Behnken design technique, the experiments are carried out. The input parameters (gas flow rate, voltage, travel speed and wire feed rate) ranges are selected based on the filler wire thickness and base material thickness and the corresponding output variables such as bead width (BW), bead height (BH) and depth of penetration (DP) are measured using optical microscopy. Based on the experimental data, the mathematical models are developed as per regression analysis using Design Expert 7.1 software. An attempt is made to minimize the bead width and bead height and maximize the depth of penetration using genetic algorithm.
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Recommended by Associate Editor Young Whan Park
P. Sathiya is currently an Associate Professor in Department of Production Engineering, National Institute of Technology, Tiruchirappalli, Tamilnadu, India. In 1994 he received his B.S. in Mechanical Engineering, Government College of Engineering, Salem, University of Madras, Tamilnadu, India. In 1996 he completed his M.S. in Welding Engineering, Regional Engineering College, Bharathidasan University, Tiruchirappalli, Tamil nadu, India. By 2006 he got his Doctorate on Friction welding of similar stainless steels and Evaluation of processed joints, Bharathidasan University, Tiruchirappalli, Tamilnadu, India. His research interests include welding technology, solid state joining, materials behaviour subjected to welding, similar and dissimilar materials welding, failure analysis of weldments, modeling, simulation of welding processes and welding parameter optimization. He received young technology award on 2009 from Indian Welding Society, India, and also received young scientist award from Department of Science and Technology, New Delhi, India. He Published fifty five papers in international and national reputed journals.
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Sathiya, P., Ajith, P.M. & Soundararajan, R. Genetic algorithm based optimization of the process parameters for gas metal arc welding of AISI 904 L stainless steel. J Mech Sci Technol 27, 2457–2465 (2013). https://doi.org/10.1007/s12206-013-0631-8
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DOI: https://doi.org/10.1007/s12206-013-0631-8