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 7

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

(a)

(b)

(c)

(d)

(e)

(f)