Research Article

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

Table 1

Characteristics of the coating.

Coating typeCoated toolCharacteristics of coating

TiNColour: gold
Average hardness: 2300 Hv
Friction coefficient: 0.69
Coating thickness: 4 microns

AlCrNColour: gray
Average hardness: 3100 Hv
Friction coefficient: 0.35
Coating thickness: 4 microns

DLCColour: black
Average hardness: 3500 Hv
Friction coefficient: 0.2
Coating thickness: 4 microns