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Corrosion protection

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Definition: Corrosion protection encompasses all technical measures to prevent or slow down corrosion of materials. It can be achieved through design, materials engineering, electrochemical means or coating systems. The aim is to extend service life and ensure operational safety.

Practical relevance: Measures include suitable material selection, coating systems in accordance with DIN EN ISO 12944, cathodic corrosion protection or adjustment of the water chemistry. Protection duration, coating thickness, adhesion strength and inspection intervals are assessed. The effectiveness depends strongly on environmental conditions such as humidity, chloride content and temperature.

Decision-making perspectives:

  • Technical decision-makers: Selection of economically and technically suitable protection concepts.
  • Purchasing/project management: Specification of protection classes, coating systems and testing requirements.
  • Science: Investigation of passivation, diffusion processes and protection mechanisms.
  • Insurance/law: Demonstration of appropriate protective measures in the event of corrosion damage.

Typical testing or verification methods: Salt spray test, coating thickness measurement, pull-off adhesion test, potential measurement in cathodic protection.

FAQ:

  • Which standard governs coating systems in corrosion protection?
  • DIN EN ISO 12944 describes the corrosion protection of steel structures by means of coating systems.
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