Matrix

Coating

Electrolyte composition

Process conditions

WCA

SA

Ref

Be-Cu alloy

Cu Stearate

CuCl₂ + HCl + stearic acid

5 V (10 min)

163˚ ± 4˚

1.7˚ ± 0.2˚

[68]

X90 steel

Cu-Zn

ZnSO₄ + CuSO₄ + NaOH + C₄O₆H₄ KNa

2 A/dm ² (60 min)

154.73˚

6.5˚

[69]

Mg alloy

Ce myristate

Ce(NO₃)₃ + myristic acid

20 V (10 min)

160.4˚ ± 0.7˚

-

[70]

Mg alloy

Ce stearate

Ce(NO₃)₃ + stearic acid

30 V (10 min)

158.4˚ ± 0.9˚

2˚

[71]

C45 steel

Fe

FeCl₃ + palmitic acid + ethanol

30 V (10 min)

160.5˚ ± 0.5˚

2˚ ± 0.5˚

[72]

Copper

Al stearate

AlOx + stearic acid

30 V (10 min)

161˚ ± 1˚

2˚ ± 1˚

[73]