Table 6 Analysis of variance of surface roughness of CEDM samples.

From: Effect of powder particle concentration, pulse duration, and pulse current on machined surface characterization produced via EDM of biocompatible WE-43Mg alloy

Source

DF

Adj SS

Adj MS

F-Value

P-Value

A: Ip (A)

2

99.927

49.963

4.50

0.026*

B: Ton (µs)

2

4.096

2.048

0.18

0.833

A*B

4

121.444

30.361

2.74

0.061

Error

18

199.673

11.093

  

Total

26

425.140

  
  1. * Significant at 95% confidence level.
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