Experimental Investigation and Optimization of Material Removal Rate and Tool Wear in the Machining of Aluminum-Boron Carbide (Al-B₄C) Nanocomposite Using EDM Process

Table 8

MRR and TWR obtained during EDM of Al-B₄C.

S. no.	Tool diameter (mm)	Current (amps)	On-time (micro sec)	Wt. of W/P before (gm)	Wt. of W/P after (gm)	Wt. of tool before (gm)	Wt. of tool after (gm)	MRR (m^3/min)	TWR (m^3/min)
1	4	1	4	118.69	118.08	9.27	9.25	0.061	0.002
2	4	2	3	118.08	117.59	9.25	9.23	0.049	0.002
3	4	3	1	117.59	117.07	9.23	9.21	0.052	0.003
4	4	4	2	117.07	116.56	9.21	9.19	0.051	0.002
5	6	1	3	116.56	115.50	11.38	11.36	0.10	0.002
6	6	2	4	115.50	114.52	11.36	11.33	0.098	0.003
7	6	3	1	114.52	113.51	11.33	11.31	0.10	0.002
8	6	4	2	113.51	112.50	11.31	11.28	0.10	0.003
9	8	1	4	112.50	110.98	14.16	14.12	0.15	0.004
10	8	2	3	110.98	109.49	14.12	14.09	0.14	0.003
11	8	3	2	109.49	108.97	14.09	14.05	0.052	0.004
12	8	4	1	108.97	107.50	14.05	14.01	0.14	0.004
13	10	1	2	107.50	105.82	36.25	36.22	0.16	0.003
14	10	2	1	105.82	103.72	36.22	36.18	0.21	0.004
15	10	3	3	103.72	101.32	36.18	36.14	0.24	0.004
16	10	4	4	101.32	98.91	36.14	36.10	0.24	0.004