Abstract

Dissimilar lap joint between aluminum 6061 and brass is performed by using friction stir welding (FSW) method where universal milling machine is used to implement this method. The parameters that use in welding are probe design with a varied length of pin probe 11.0 mm, 11.5 mm and 12.0 mm at 2000 rpm rotation of machine and feedrate 10 mm min−1. The macrostructure result of pin probe length 11.0 mm better than of pin probe 11.5 mm and 12.0 mm. The mechanical properties results with a pin probe length 11.5 mm a higher mean hardness value of 104.26 VHN than a pin probe length 11.0 mm and 12.0 mm with hardness values of 98.93 VHN and 70.43 VHN. Shear stress result of 67.32 MPa with a pin probe length 12 mm, better than of pin probe length 11.0 mm and 11.5 mm shear values of 40.2 MPa and 42.14 MPa.

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