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Crow’s Feet

Last updated: July 19, 2024

What Does Crow’s Feet Mean?

Crow's feet are a type of coating defect experienced on metal surfaces after the application of a coating intended to prevent corrosion. Crow's feet presents itself as a wrinkling of the applied film in a pattern that resembles a crow's foot.

The occurrence of crow's feet prevents adequate corrosion protection of a metal surface when the surface is exposed to external corrosion agents that can enter via holes in the crow's feet pattern.

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Corrosionpedia Explains Crow’s Feet

Crow's feet are caused by an inadequate application of the coating fluid when the fluid begins to dry before it makes contact with the metal surface, causing a wrinkled appearance. This is due to the formation of ridges and furrows in the coating as it dries.

Crow's feet can be prevented by careful timing of the coating application, reducing the coating system application pressure or by using a lower-density fluid.

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Synonyms

Crowsfooting

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