Research Article

Optimization of Stir Casting Variables for Production of Multiwalled Carbon Nanotubes: AA7149 Composite

Table 4

Results for hardness and ultimate tensile strength.

RunHardnessUltimate tensile strength

1103.5180.5
2105.2263.6
399.6164.8
4107.8278.1
5105.6196.7
6101.2232.4
7102.9208.5
8104.7244.3