Effect and optimization of resistance spot welding parameters on the strength of welded hot-stamped parts

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Date

2014

Authors

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Publisher

Walter De Gruyter Gmbh

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.

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Keywords

Hot stamping, Welding parameters, Materials testing, Ultra-high strength steels, Resistance spot welding, Neural-network, Taguchi-method, Steel, Design, Materials science, Aluminum coatings, Materials testing, Experiments, Spot welding, Control parameters, Welding parameters, Differential evolution algorithms, Ultra high strength steel, Hot-stamping, Resistance spot welding, L9 orthogonal arrays, Optimal combination, Welding

Citation

Önal, A. S. ve Kaya, N. (2014). "Effect and optimization of resistance spot welding parameters on the strength of welded hot-stamped parts". Materialpruefung/Materials Testing, 56(6), 466-471.

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