Research Article
Investigation on Microblasting Applied to CrN Coatings
Table 3
Corrosion tests results.
| | | Corrosion current density
[A/cm2] | Free corrosion potential
[V] | Coating porosity
[%] | Passivation current density
[A/cm2] | Rupture potential
[V] |
| | BS | 5.8 × 10−6 | −0.59 | 1 | | | | CrN | 1.8 × 10−7 | −0.39 | 2.6 × 10−5 | 7.9 × 10−6 | 0.55 | | CrN + MB | 1.5 × 10−7 | −0.36 | 2.5 × 10−5 | 4.9 × 10−5 | 0.37 |
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