Table 6 Shows ANOVA results.

From: Enhanced machining of Al 10%SiCmicro 1%SiCnano hybrid composite using rotary tool rotary workpiece EDM with bio dielectrics and treated tools

Source

DF

Adj SS

Adj MS

F-Value

P-Value

Percentage contribution

MRR

 Both electrodes rotation

2

120.08

60.04

4.74

0.044

3.71

 Tool treatment

2

41.02

20.51

1.62

0.256

1.26

 Dielectric

2

461.11

230.56

18.22

0.001

14.25

 Both electrodes rotation* Tool treatment

4

260.47

65.12

5.15

0.024

8.05

 Both electrodes rotation*Dielectric

4

1885.38

471.35

37.25

0.000

58.28

 Tool treatment*Dielectric

4

365.37

91.34

7.22

0.009

11.29

 Error

8

101.24

12.65

  

3.12

 Total

26

3234.67

   

100

TWR

 Both electrodes rotation

2

0.023

0.011

2.66

0.130

3.46

 Tool treatment

2

0.001

0.0006

0.15

0.863

0.19

 Dielectric

2

0.465

0.232

53.42

0.000

69.55

 Both electrodes rotation* Tool treatment

4

0.023

0.005

1.34

0.336

3.47

 Both electrodes rotation *Dielectric

4

0.041

0.010

2.40

0.136

6.25

 Tool treatment *Dielectric

4

0.079

0.019

4.55

0.033

11.84

 Error

8

0.034

0.004

  

5.20

 Total

26

0.669

   

100

SR

 Both electrodes rotation

2

3.65

1.82

15.75

0.002

38.30

 Tool treatment

2

0.27

0.13

1.19

0.354

2.88

 Dielectric

2

0.56

0.28

2.43

0.150

5.89

 Both electrodes rotation* Tool treatment

4

0.39

0.09

0.86

0.526

4.19

 Both electrodes rotation *Dielectric

4

2.61

0.65

5.64

0.019

27.43

 Tool treatment *Dielectric

4

1.10

0.27

2.38

0.138

11.55

 Error

8

0.92

0.11

  

9.72

 Total

26

9.53

   

100

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