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Table 9 Results obtained considering E corr , I corr and wear

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

Principal components

MPI

P1

P2

P3

1

1.14697

−0.41441

−0.16849

0.42281

2

1.33841

−0.23629

0.14919

0.62746

3

0.79860

−0.48769

0.16908

0.26607

4

1.44170

−0.49168

0.13525

0.59047

5

1.18370

−0.76110

0.06771

0.35539

6

0.55552

−0.47317

0.13941

0.14195

7

0.94788

−0.40060

−0.15194

0.32758

8

1.27714

−0.38710

0.09966

0.53695

9

0.95816

−0.60110

−0.06897

0.27539

10

0.80223

−0.61319

−0.13119

0.18230

11

0.96405

−0.50845

−0.13617

0.30090

12

0.65619

−0.41439

−0.01671

0.19196

13

0.93389

−0.43422

0.07849

0.34128

14

0.99883

−0.99057

−0.03806

0.16629

15

0.68768

−0.39047

0.07217

0.22893

16

1.04505

−0.36269

−0.26287

0.37496

17

0.75514

−0.34367

−0.10747

0.25442

18

0.69307

−0.45311

0.08099

0.21133

19

0.62824

−0.53656

0.03152

0.14224

20

0.68894

−0.97158

0.07973

0.03016

21

0.61901

−0.28688

0.14673

0.23989

22

0.67829

−0.41475

−0.04077

0.19980

23

0.55533

−0.38375

0.16611

0.17647

24

0.90509

−0.53296

−0.24144

0.24730

25

0.64261

−0.42512

0.03950

0.18920

26

0.60740

−0.45618

0.16179

0.17763

27

0.81305

−0.57698

−0.04812

0.21206