Erosive Wear

Erosive wear effects:
  • Dimensional changes
  • Leakage
  • Lower efficiency
  • Generated particles contribute more wear

Erosive wear is caused by particles that impinge on a component surface or edge and remove material from that surface due to momentum effects. This type of wear is especially noticed in components with high velocity flows such as servo and proportional valves. Particles repeatedly striking the surface may also cause denting and eventual fatigue of the surface.

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Valve Stiction