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Table 11 Optimal solutions for MRR and TWR

From: Parametric optimization of powder mixed electrical discharge machining for nickel-based superalloy inconel-800 using response surface methodology

S.No

Current

Pulse on- time (Ton)

Pulse off-time (Toff)

Tool

Powder

Material removal rate (MRR)

Tool wear rate (TWR)

Desirability

 

1

1

0.98

0.03

0.31

0.64

35.92

0.009

1

Selected

2

0.99

0.98

0.13

0.29

0.81

36.18

0.009

1

 

3

1

0.99

0.38

0.65

1

36.05

0.008

1

 

4

1

0.89

0.23

0.76

0.87

35.89

0.003

1

 

5

0.99

0.98

0.15

0.21

0.78

35.84

0.0007

1

 

6

0.99

0.89

0.81

0.48

1

36.07

0.0016

1

 

7

0.97

1

0.23

0.58

0.94

36.34

0.0595

1

 

8

0.95

1

0.41

0.57

0.92

35.9

0.0396

1

 

9

0.98

0.9

0.55

0.52

0.96

35.97

0.0231

1

 

10

0.98

0.99

0.3

0.57

0.96

35.89

0.0005

1

 

11

1

1

0.05

0.56

0.29

35.69

0.0019

0.99

 

12

1

1

0

0.43

0.02

35.66

0.0019

0.99

 

13

1

1

0.84

0.53

0.98

35.64

0.2067

0.99

 

14

1

1

0.8

1

1

35.63

0.0459

0.99

 

15

1

1

0.87

0.96

1

35.53

0.085

0.99

 

16

0.93

1

0.03

0.56

1

35.78

0.0373

0.99

 

17

1

1

0.84

0.65

1

35.06

0.0905

0.98

 

18

1

1

0.89

0.24

0.7

34.3

0.0018

0.97

 

19

0.89

1

0.4

0.54

1

35.78

0.0946

0.97

 

20

1

1

1

0.58

0.78

34.25

0.1283

0.97

 

21

0.85

0.48

1

0.3

1

31.17

0.0205

0.92

 

22

1

0.17

1

0.06

0.97

30.72

0.0019

0.91

 

23

1

-0.15

1

0.47

1

27.16

0.15

0.82

 

24

1

-0.3

1

0.23

1

25.2

0.0019

0.81

 

25

0.53

-0.31

0.76

0.08

1

22.34

0.0366

0.75

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