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Mechanical Property Improvements in Aluminum Alloy through Grain Refinement using Friction Stir Process

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Figure

Fig. 2Geometry and dimensions of the tensile test specimen.
Fig. 3Optical macrographs of the cross-sections of the FSP560 specimen; (a) Y-Z plane, (b) X-Z plane and (c) X-Y plane
Fig. 5Comparison of the two-dimensional Vickers microhardness distributions on each cross-section of the FSPed 1050 Al alloy; (a) Y-Zplane, (b) X-Z plane, (c) X-Y plane 1 (near the top surface) and (d) X-Y plane 2 (near the central region of the FZ) of FSP560 and Y-Zplanes of (e) FSP980, (f) FSP1350 and (g) FSP1840.
Fig. 6Comparison of the average Vickers microhardness of the FZ oneach cross-section of the FSP560 specimen
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