Table 4 Experimental values of Kt and Ra for Fiber/Metal Hybrid Composites (H1, H2 and H3 laminates).

From: Effect of silicon carbide on kerf convergence and irregularity of the surface during abrasive water jet machining of fiber-metal hybrid composites

 

Input variables

Output responses

Traverse feed velocity Vt (mm/min)

Abrasive discharge proportion ma (g/min)

Nozzle-to-substrate gap S (mm)

Kerf convergence ratio (Kt)

Surface irregularity (Ra)

H1 laminate

H2 laminate

H3 laminate

H1 laminate

H2 laminate

H3 laminate

1

100

100

1

0.84

3.19487

0.9997

11.6

5.36

6.432

2

300

200

1

0.385068

1.77959

1.38686

9.1

5.6

7.254

3

300

100

2

0.575927

2.418

1.54167

8

6.29

7.7367

4

300

200

2

0.45

2.12338

1.78772

8.7

6.36

7.632

5

300

200

2

0.39362

1.99431

1.67494

8.85

6.41

7.8843

6

300

200

2

0.115339

2.15247

1.84578

8.4

6.37

7.4933

7

500

300

1

0.14

0.593197

1.48364

7.5

4.02

5.439

8

500

300

3

0.59

1.492

1.89661

6.73

7.33

9.0159

9

100

300

1

1.48

2.05247

1.64689

11.8

8.63

10.6149

10

300

300

2

0.786877

1.54026

1.8538

8.8

6.33

7.596

11

500

100

3

0.75

1.79088

1.97

5.31

10.25

12.1725

12

500

200

2

0.38389

1.29762

1.84271

6.3

6.72

8.2656

13

100

200

2

0.94805

2.52341

1.75717

10.69

6.28

7.7244

14

300

200

3

0.398461

2.20427

1.95817

7.76

7.01

8.412

15

500

100

1

0.49

1.54468

1.89806

6.25

4.71

5.7933

16

100

100

3

0.197556

2.92

1.67033

9.28

4.52

4.9268

17

300

200

2

0.596018

1.7931

1.83411

8.39

6.19

7.428

18

300

200

2

0.47104

2.16064

1.74168

8.7

6.25

7.6875

19

100

300

3

1.13511

2.21101

2.56742

10.6

5.951

6.48659

20

300

200

2

0.575927

1.87

1.69164

8.87

6.34109

7.359

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