Parametric optimization of seam welding of stainless steel (SS 304) sheets

Muthuraman Pandi Krishnan; Abdullah Naveen Sait; Manickam Ravichandran

doi:10.3139/120.110733

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Article

Parametric optimization of seam welding of stainless steel (SS 304) sheets

Muthuraman Pandi Krishnan , Abdullah Naveen Sait and Manickam Ravichandran

Published/Copyright: April 21, 2015

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From the journal Materials Testing Volume 57 Issue 5

Abstract

In the present study, seam welding process parameters were optimized for joining 306 stainless steel plates. Welding pressure, welding speed and welding temperature combinations were carefully selected with the objective of producing a weld joint with maximum impact strength and hardness. Taguchi technique was applied for optimizing the selected welding parameters. The factors used in this study consisted of pressure, welding speed and welding temperature, each of which had three levels in the study. L₂₇ orthogonal array and corresponding levels were selected according to the aforementioned factors and experimental tests were performed. Signal-to-noise (S/N) ratio was used to evaluate the experimental results. The results indicate that the welding speed has the greatest influence on impact strength, followed by welding pressure and temperature. Experiments have also been conducted to validate the optimized parameters.

Kurzfassung

In der diesem Beitrag zugrunde liegenden Forschungsarbeit wurden die Schweißparameter optimiert, um Bleche aus dem Stahltyp 304 zu verbinden. Hierzu wurden die Kombinationen aus dem Schweißdruck, der Schweißgeschwindigkeit und die Schweißtemperatur sorgfältig ausgewählt, mit Ziel, eine Schweißverbindung mit maximaler Schlagzähigkeit und Härte herzustellen. Es wurde das Taguchi-Verfahren angewandt, um die gewählten Schweißparameter zu optimieren. Die entsprechenden Faktoren waren Druck, Schweißgeschwindigkeit und Schweißtemperatur, die jeweils drei Werte hatten. Es wurde ein orthogonales L₂₇-Array ausgewählt, entsprechend der bereits erwähnten Faktoren, sowie deren Werte, und es wurden entsprechende experimentelle Untersuchungen durchgeführt. Der Signal-Rausch-Abstand wurde gewählt, um die experimentellen Ergebnisse zu evaluieren. Die Ergebnisse deuten darauf hin, dass die Schweißgeschwindigkeit den größten Einfluss auf die Schlagfestigkeit hat, gefolgt von dem Schweißdruck und der Temperatur. Die Experimente wurden außerdem ausgeführt, um die optimierten Parameter zu validieren.

§Correspondence Address, Prof. Dr. Abdullah Naveen Sait, Principal, Chendhuran College of Engineering and Technology, Lena Vilakku, Pilivalam (Po), Thirumayam (Tk), Pudukkottai (Dt) – 622 507, Tamilnadu, India, E-mail: naveensait@yahoo.co.in

Assoc. Prof. Muthuraman Pandi Krishnan, born 1980, completed his MSc (University of Stuttgart, Germany) in the year 2003 and his BEng in Mechanical Engineering in the year 2001. Presently, he is working as Associate Professor in the Department of Mechanical Engineering,t Chendhuran College of Engineering and Technology, Pudukkottai, Tamilnadu, India.

Prof. Dr. Abdullah Naveen Sait, born 1976, obtained his PhD in the year 2008, his MEng in 2001 and his BEng in 1998. He is carrying out research in the field of materials. Presently, he is working at Chendhuran College of Engineering and Technology, Pudukkottai, Tamilnadu, India as Principal.

Prof. Dr. Manickam Ravichandran, born 1981, obtained his PhD in the year 2014, his MEng in 2007 and his BEng in 2002. He is carrying out research in the field of composite materials. Presently, he is working as Professor and Head of the Department of Mechanical Engineering, Chendhuran College of Engineering and Technology, Pudukkottai, Tamilnadu, India.

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Published Online: 2015-04-21

Published in Print: 2015-04-30

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https://doi.org/10.3139/120.110733