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What is Impact Fretting in Heat Exchangers about?

This document discusses fretting wear that can occur in mechanical components like heat exchangers due to vibration from fluid flow. It describes two types of wear that can occur in nuclear reactors from tube whirling or flow-induced vibrations. Key parameters that influence the fretting wear rate are impact force, clearance between parts, support plate thickness, and vibration frequency. Both impact forces and continuous contact can significantly increase fretting wear rates.

Author

Ghaith Mdlj

Language

EN