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Optimization of parameters for the friction stir processing and welding of aa1050 aluminum alloy
, Article Iranian Journal of Materials Science and Engineering ; Volume 18, Issue 2 , 2021 ; 17350808 (ISSN) ; Ebadi, M ; Kokabi, A. H ; Sharif University of Technology
Iran University of Science and Technology
2021
Abstract
Friction-Stir Processing (FSP) was applied on AA1050 Aluminum Alloy (AA) to find the highest mechanical properties among 28 combinations of the rotational and traverse speed (800-2000 rpm and 50-200 mm.min-1) and four different tool probe shapes (threaded, columnar, square and triangle). To this aim, the AA standard sheet went through a single pass of FSP. The 1600 rpm and 100 mm.min-1 with threaded tool probe was chosen as the best combination of rotational and traverse speed. Grain size at the Stirred Zone (SZ) was studied using Optical Microscopy (OM). The results showed that the SZ’s grain size was refined from 30 μm down to about 12 μm due to dynamic recrystallization during FSP. The...