Volume 15, Issue 1 (March 2018)                   IJMSE 2018, 15(1): 0-0 | Back to browse issues page

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Zamani M H, Divandari M, Tamizifar M. On the Characteristics of Friction Stir Welding Lap Joint of Magnesium and Aluminum . IJMSE. 2018; 15 (1)
URL: http://ijmse.iust.ac.ir/article-1-1048-en.html
Abstract:   (866 Views)
Lap joints of commercially pure magnesium plates to aluminium plates (Magnesium plate on the top, and Aluminium plate, grade 1100, on the bottom side) were conducted by friction stir welding using various traveling and rotation speeds of the tool to investigate the effects of the welding parameters on the joint characteristics and strength. Defect-free lap joints were obtained in the welding traveling speed range of 40-80 mm/min, and rotational speed range of 1200-1600 rpm. The shear tensile strength of Mg/Al joints increased as a result of decreasing the welding speed from 120 to 40 mm/min at constant rotation speed of 1600 rpm.  Defects such as surface grooves, excessive flash, tunnels, and voids were observed if the joints prepared out of the mentioned range. The effects of the welding parameters are discussed metallographically based on observations with optical and scanning electron microscopes.
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