Study on Compaction and Machinability of Silicon Nitride (Si3N4) Reinforced Copper Alloy Composite through P/M Route

Table 4

Summary of machining parameters with the result of surface roughness.

S. no	Feed rate in (mm/rev)	Cutting speed in (m/min)	Depth of cut (mm)	Surface roughness values in microns
				3 wt. %	6 wt. %	9 wt. %	!2 wt. %
1	0.1	50	0.5	0.58	1.52	2.08	2.65
2			0.8	0.75	1.58	2.09	2.68
3			1.0	0.92	1.68	2.10	2.74
4			1.2	0.67	1.54	1.07	2.69
5			1.4	0.69	1.63	2.15	2.72
6			1.6	0.83	1.57	2.17	2.78
7			0.5	0.95	1.68	2.23	2.8
8			0.8	1.02	1.72	2.37	2.81
9		100	1.0	1.34	1.86	2.29	2.80
10			1.2	1.25	1.67	2.34	2.76
11			1.4	1.34	1.73	2.42	2.84
12			1.6	1.21	1.81	2.45	2.83
13			0.5	1.32	1.92	2.53	2.94
14			0.8	1.42	1.96	2.57	2.97
15		150	1.0	1.28	1.89	2.74	3.01
16			1.2	1.34	1.94	2.64	3.11
17			1.4	1.47	2.01	2.58	3.12
18			1.6	1.39	2.05	2.62	3.16