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Table 4 Results of corrosion and wear test

From: Parametric optimization of corrosion and wear of electroless Ni-P-Cu coating using grey relational coefficient coupled with weighted principal component analysis

Experiment number

E corr(mV vs. SCE)

I corr(μA/cm2)

Wear (μm)

1

−353.66

0.191

18.98

2

−233.31

0.7903

26.6168

3

−369.54

4.651

11.5636

4

−231.58

0.1379

10.4644

5

−304.83

0.6771

4.3218

6

−526.89

8.627

13.0348

7

−434.42

1.104

20.4475

8

−256.26

0.7201

15.979

9

−417.6

1.264

9.3686

10

−583.88

1.7968

9.7621

11

−434.89

0.9978

13.653

12

−558.04

4.3578

18.1084

13

−346.32

2.533

14.6986

14

−443.27

0.8437

1.432

15

−458.24

5.135

18.086

16

−434.01

0.2643

25.949

17

−528.22

2.6583

25.3954

18

−461.35

5.009

14.3488

19

−576.21

5.0188

11.369

20

−601.63

3.822

1.4966

21

−437.01

8.118

25.32

22

−559.43

3.84

18.414

23

−484.94

9.864

17.4277

24

−563.11

0.77731

13.9094

25

−523.09

5.231

16.5901

26

−466.68

7.961

13.4266

27

−491.15

2.312

10.2618