Abstract
In the present investigation, HR E-34 steel sheets are welded by resistance spot welding. The welding current, welding cycle, and pressure are the principal variables that are controlled in order to provide the necessary combination of heat and pressure to form the weld. The effect of various parameters on weld strength of Hot Rolled E-34 material is determined by using Minitab 16 software and using design of experiment. Response surface methodology (Box-Behnken Design) is chosen to design the experiments. The highly significant factor was determined by analysis of variance. In the analysis, it was observed that predicted and experimental results were in good agreement and the coefficient of determination was found to be 0.967 and 0.955 for tensile strength and nugget diameter implies adequacy of derived model. The aim of the research is to find out improvement in welds strength and also reduces various welding defects.
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Acknowledgements
The authors would like to express their sincere gratitude to Mr. Pravin Dhokane, General Manager, Samarth Engineers Industries, MIDC Waluj, Aurangabad, for providing the necessary permissions to carry out this experimental work in their industry. The photograph in Fig. 1 was shot by the author himself with due permissions from Mr. Pravin Dhokane.
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Gawai, B.S., Karwande, R.L., Irfan, M., Thakare, P.S. (2019). Mathematical Modeling and Optimization of Process Parameters for Tensile Strength and Nugget Diameter in Resistance Spot Welding of HR E-34 Steel Sheet Joint. In: Vasudevan, H., Kottur, V., Raina, A. (eds) Proceedings of International Conference on Intelligent Manufacturing and Automation. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-13-2490-1_1
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DOI: https://doi.org/10.1007/978-981-13-2490-1_1
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