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The surfaces of the aluminum foams were modified by the friction surface modification (FSM) process. The aluminum foams with a new surface structure were successfully obtained by the FSM process. The surface-modified zone (SMZ) had smoother surface than the unprocessed zone (UZ). A very dense layer without the cell structure was formed near the surface of the SMZ. The SMZ exhibited more high indentation...
Dissimilar friction stir welding between magnesium and aluminum alloy plates with thicknesses of 2 mm was performed. The tool for welding was rotated at speeds ranging from 800 to 1600 rpm under a constant traverse speed of 300 mm/min. For tool rotation speeds of 1000, 1200, and 1400 rpm, defect-free welds were successfully obtained and the surface morphology of the welds became smoother as the tool...
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