Effect of Friction Coefficient in Friction Stir Welding of B4C Reinforced AA5083 Metal Matrix Composites and Use of Fuzzy Clustering Technique for Weld Strength Prediction

Figure 6

(a-d) Different microstructural regions of a specimen prepared by the AlCrN-coated tool at 1500 rpm, 40 mm/min, 7 kN (e) and (f) at 1200 rpm, 40 mm/min, and 6 kN.

(a)

(b)

(c)

(d)

(e)

(f)