Abstract
In this research, lap joining of Al-Mg aluminum alloy and CuZn34 brass was produced by friction-stir welding during which the aluminum alloy sheet was placed on the CuZn34. Optical microscopy, scanning electron microscopy (SEM), X-ray diffraction analysis, and energy-dispersive X-ray spectroscopy (EDS) analysis were used to probe the microstructures and chemical compositions. In addition, the mechanical properties of each sample are characterized using both shear and hardness tests. The optimum parameters resulted in no visible welding cracks and defects. A dark area in the Al/CuZn34 interface contained intermetallic compounds Al2Cu, Al4Cu9, and CuZn. In addition, the results show that using high rotational speeds or low traverse speeds causes the growth of the interfacial intermetallic area.
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Akbari, M., Abdi Behnagh, R. Dissimilar Friction-Stir Lap Joining of 5083 Aluminum Alloy to CuZn34 Brass. Metall Mater Trans B 43, 1177–1186 (2012). https://doi.org/10.1007/s11663-012-9682-y
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DOI: https://doi.org/10.1007/s11663-012-9682-y