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      Effect and Optimization of Resistance Spot Welding Parameters on the Strength of Welded Hot-Stamped Parts Translated title: Auswirkung und Optimierung der Widerstandspunktschweißparameter auf die Festigkeit von geschweißten Heißprägeteilen

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          Abstract

          In this study, the effects of three control parameters for the resistance spot welding of hot-stamped parts were studied. These control parameters are the welding force, welding time, and welding current. Al-Si coated 22MnB5 (USIBOR 1500P) sheets with thicknesses of 1.7 mm and 2 mm were used for the experiments. The Taguchi L 9 orthogonal array was used in the experiments. Evaluation of the experiments was based on the shear strengths of the welded specimens. The higher is better equation was selected to analyze the results. The relative importance of the spot welding parameters and their optimal combinations were determined using ANOVA. Additionally, an optimization of the welding parameters to maximize the weld tensile shear was conducted using the differential evolution algorithm, as well as the optimal parameters were determined.

          Kurzfassung

          In der diesem Beitrag zugrunde liegenden Studie wurden die Auswirkungen von drei Kontrollparametern für das Widerstandspunktschweißen von Heißprägeteilen untersucht. Diese Kontrollparameter waren die Schweißkraft, die Schweißzeit und die Schweißstromstärke. Al-Si-beschichtete 22MnB5- Bleche (USIBOR 1500P) mit einer Dicke von 1,7 mm und 2 mm wurden für die Experimente verwendet. Das Taguchi L 9 orthogonale Array wurde für die Experimente eingesetzt. Die Scherfestigkeit der geschweißten Proben wurde ausgewertet. Die höher umso besser Gleichung wurde gewählt, um die Ergebnisse zu analysieren. Die relative Bedeutung der Widerstandspunktschweißparameter und ihre optimalen Kombinationen wurden mittels ANOVA bestimmt. Zudem wurde eine Optimierung der Schweißparameter durchgeführt, um die Schweißnaht-Scherzugfestigkeit mittels des differentiellen Evolutionsalgorithmus zu optimieren, und zudem wurden die optimalen Parameter bestimmt.

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          Most cited references11

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          A review on hot stamping

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            Application of Taguchi Method for the Optimization of Resistance Spot Welding Process

            U. Esme (2009)
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              Predictions of the optimized friction stir spot welding process parameters for joining AA2024 aluminum alloy using RSM

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                Author and article information

                Journal
                mp
                Materials Testing
                Carl Hanser Verlag
                0025-5300
                2195-8572
                1 June 2014
                : 56
                : 6
                : 466-471
                Affiliations
                1 Bursa, Turkey
                Author notes
                [* ] Correspondence Address Necmettin Kaya, Mechanical Engineering Department, Uludag University, Bursa, 16059, Turkey, E-mail: necmi@ 123456uludag.edu.tr

                Ahmet Serdar Önal was born in Pasinler. He received his BSc degree in mechanical engineering from Pamukkale University, Turkey and MSc degree in mechanical engineering from Uludağ University, Turkey. He is interested in the subject of hot stamping process (PHD), industrial waste heat recovery systems based on ORC, 100% quality control systems, and electrical resistance welding of boron alloyed steels. He has currently been working as research and development new technology engineer at Beyçelik Gestamp A.Ş. in Bursa, Turkey.

                Necmettin Kaya is lecturer at Mechanical Engineering Department of Uludag University, Turkey. He received his PhD degree in mechanical engineering in 1999 from Uludag University, Turkey. His principal research areas are computer aided design, finite element analysis, and structural optimization methods. He worked on several automotive projects including crashworthiness, ride comfort, rubber engine mount, pedestrian safety, and lightweight design of vehicle structures.

                Article
                MP110585
                10.3139/120.110585
                5f5c103e-6eb6-4b34-b305-7933d21fbdde
                © 2014, Carl Hanser Verlag, München
                History
                Page count
                References: 11, Pages: 6
                Categories
                Fachbeiträge/Technical Contributions

                Materials technology,Materials characterization,Materials science
                Materials testing,hot stamping,welding parameters,ultra-high strength steels,resistance spot welding

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