Research Article

Microfriction Stir Welding of Aluminium Using ABB IRB 1410 Robot

Table 9

Weighted normalized decision matrix.

Sample noDOP (mm)BW (mm)Hardness (Hv)

10.0948860.083880.116227
20.1144950.1065370.115402
30.1375650.107260.115402
40.1128970.1067780.113479
50.1350920.1079830.117051
60.092280.0836390.116227
70.1466940.107260.11815
80.0899790.0826740.118974
90.1110710.1082240.118974