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 5
Analysis of variance for MRR, using adjusted SS for tests.
Source
DF
Seq SS
Adj SS
Adj MS
F
P
Tool diameter (mm)
3
0.0536962
0.0536962
0.0178987
46.62
0.000
Current (amp)
3
0.0010337
0.030816
0.0010272
2.68
0.141
On-time (µ sec)
3
0.0073486
0.0073486
0.0024495
6.38
0.027
Error
6
0.0023035
0.0023035
0.0003839
—
—
Total
15
0.0643819
0.0941643
0.0217593
55.68
0.168
S = 0.0195936, R-Sq = 96.42%, and R-Sq (adj) = 91.06%.
