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      Optimization of welding parameters to attain maximum strength in friction stir welded AA7075 joints Translated title: Optimierung von Schweißparametern zur maximalen Festigkeitssteigerung in rührreibgeschweißten AA7075-Verbindungen

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          Abstract

          Selection of welding parameters is very important to increase the weld strength. Friction stir welding parameters affect the weld strength of aluminum alloy, such as high strength AA7075 plates. This paper presents an application of Taguchi method to friction stir welding strength of AA 7075 plates. An orthogonal array, the signal-to-noise ratio (S/N), and the analysis of variance (ANOVA) are employed to investigate friction stir welding parameter effects on the weld strength. From the ANOVA and the S/N ratio response graphs, the significant parameters and the optimal combination level of welding parameters were obtained. Confirmation experiments have been conducted to validate the optimized parameters.

          Kurzfassung

          Die Auswahl der Schweißparameter ist sehr wichtig, um die Festigkeit von Schweißverbindungen zu steigern. Die Rührreibschweißparameter beeinflussen die Schweißnahtfestigkeit von Aluminiumlegierungen, wie zum Beispiel bei hochfesten AA7075-Platten. In dem vorliegenden Beitrag wird die Anwendung des Taguchi-Verfahrens auf die Festigkeit von Rührreibschweißverbindungen von AA7075-Platten vorgestellt. Hierzu wurden ein orthogonales Array, der Signal-Rausch-Abstand (Signal-to-Noise-Ratio S/N) und die Varianzanalyse (ANOVA) angewandt, um die Effekte der Rührreibschweißparameter auf die Festigkeit der Schweißungen zu untersuchen. Aus den Antwortgraphen der ANOVA und des S/N-Verhältnisses wurden die signifikanten Parameter und die optimalen Kombinationslevels der Schweißparameter bestimmt. Es wurden Konsistenzexperimente durchgeführt, um die optimierten Parameter zu validieren.

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          Most cited references 23

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          Friction stir welding of dissimilar materials between AA6061 and AA7075 Al alloys effects of process parameters

           Z. Sun,  J.F. Guo,  H.C. Chen (2014)
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            The influences of rotational and welding speeds on microstructures and mechanical properties of friction stir welded Al5083 and commercially pure copper sheets lap joints

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              • Record: found
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              Friction stir welding of dissimilar aluminum alloys AA2219 to AA5083 – Optimization of process parameters using Taguchi technique

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                Author and article information

                Journal
                mp
                Materials Testing
                Carl Hanser Verlag
                0025-5300
                2195-8572
                2 March 2016
                : 58
                : 3
                : 206-210
                Affiliations
                1 Tamilnadu, India
                Author notes
                [* ] Correspondence Address, Associate Prof. Dr. Manickam Ravichandran, Department of Mechanical Engineering, Chendhuran College of Engineering and Technology, Lenavilakku, Pilivalam POST, Pudukkottai, 622507 Tamilnadu, India. E-mail: smravichandran@ 123456hotmail.com

                Dr. Manickam Ravichandran, BE, MTech, Ph.D., born 1981, is presently working as Associate Professor and Head of the Mechanical Engineering Department of Chendhuran College of Engineering and Technology, Pudukkottai, India. He has obtained his BE degree in Mechanical Engineering from MIET Engineering College, MTech degree in Advanced Manufacturing from SASTRA University, Thanjavur, India and PhD from Anna University, Chennai, India.

                Mokkaiya Thirunavukkarasu, born 1988, is pursuing his MEng Manufacturing degree in the Mechanical Engineering Department of Chendhuran College of Engineering and Technology, Pudukkottai, India. He has obtained his BEng degree in Mechanical Engineering from SASTRA University, Thanjavur, India.

                Shanmugam Sathish, BE, ME, is working as Senior Research Fellow in the Department of Production Engineering, National Institute of Technology, Tiruchirappalli, India. He has obtained BE degree in Mechanical Engineering from Bharathidasan University, Tiruchirappalli, India in 2002, ME degree in Production Engineering from Anna University, Chennai, India.

                Dr. Veeramani Anandakrishnan, BE, ME, PhD, is working as Assistant Professor in the Department of Production Engineering, National Institute of Technology, Tiruchirappalli, India. He has obtained his BE degree in Mechanical Engineering from Bharathidasan University, Tiruchirappalli, India in 1999, ME degree in Production Engineering from Annamali University, India and PhD from National Institute of Technology, Tiruchirappalli, India.

                Article
                MP110838
                10.3139/120.110838
                © 2016, Carl Hanser Verlag, München
                Page count
                References: 23, Pages: 5
                Product
                Self URI (journal page): https://www.hanser-elibrary.com/loi/mp
                Categories
                Fachbeiträge/Technical Contributions

                Materials technology, Materials characterization, Materials science

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