[Retracted] Optimization on Operation Parameters in Reinforced Metal Matrix of AA6066 Composite with HSS and Cu

Table 7

Tool wear, surface roughness, and thrust force-based response ratios of signal to noise.

Level	Pressure of cutting fluid, Pr (bar)	Feed, F (mm/rev)	Depth of cut, D (mm)
1	−26.41	−27.28	−26.17
2	−23.88	−25.39	−24.39
3	−31.22	−28.83	−30.95
Delta	7.34	3.44	6.56
Rank	1	3	2