Note de contenu : |
- Fig. 1 : Cathodic protection is provided if the zinc content of the coating is sufficiently high
- Fig. 2 : Corrosion products of zinc such as zinc hydroxide form on the steel surface
- Fig. 3 : Which, together with zinc dust particles, stop up the pinholes and defects
- Fig. 4 : Together with carbon dioxide from the dioxide from the atmosphere, sparingly soluble zinc carbonate is formed |