This is corrosion accelerated by the action of fluid flow sometimes with the added pressure of abrasive particles in the stream. The protective layers and corrosion products of the metal are continually removed exposing fresh metal to corrosion.
Prevention
Prevention can be achieved by:
- Reducing the flow rate and turbulence
- Use of replaceable or robust linings in susceptible areas
- Avoiding sudden changes of direction
- Streamlining or avoiding obstructions to the flow
Corrosion Main
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