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Resistance spot welding of dissimilar alloys 1008 low carbon steel- 5052 aluminum alloy

Author : Mohammad Jameel Zedan and Qasim M. Doos

Pages : 266-269, DOI:
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The resistance spot welding is adopted to joint dissimilar alloys such as aluminum alloy 5052, and low carbon steel
alloy 1008. In this work, the electrodes force 2100-2700 N, the welding current 7.5-10.5 KA, and welding time 10-20
cycle have been used. The relationships between the three parameters have been studied. The maximum tensile shear load of the aluminum alloy 5052-low carbon steel 1008 joint has been found equal to 2860 N for weld nugget diameter of 9 mm. The intermetallic compound layer (IMC) with 2-8 μm thickness with tongue-like has been
appeared adjacent to the 1008 low carbon steel side, whereas a needle-shaped IMC layer adjacent to the aluminum
alloy 5052 side.

Keywords: Resistance spot welding, Dissimilar alloys welded joints, nugget diameter, Interfacial microstructure

Article published in International Journal of Current Engineering and Technology, Vol.8, No.2 (March/April 2018)

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