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Table 14 Results of confirmation test

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

 

Parameters

Polarization test result

Wear test result (μm)

A(g/l)

B(g/l)

C(g/l)

D(°C)

E corr(mV vs. SCE)

I corr(μA/cm2)

Mid-level combination

30

15

0.5

400

−461.38

5.032

19.37

Optimum level for corrosion

25

10

0.5

400

−233.31

0.790

-

Optimum level for corrosion and wear

25

20

0.3

400

−432.65

1.207

11.56