Abstract
The paper presents the results of structural and mechanical testing of the alloyed aluminum alloys AA 2024 welded by the FSW process. Using the optimized tool and welding, 6 mm thick plates were connected. In this paper, the influence of rotation speed and welding speed on the macrostructure and cross section micro hardness of FSW welded joints of EN AW-2024 T351 a aluminium alloy is studied. The following welding parameters were used: the rotation speed of the tool did not change and amounted to 750 rpm, and the welding speed was 73, 116,150 mm / min. The compounds were obtained without the presence of errors and with an acceptable flat surface of the compound.
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