<a style="color:#000" href="https://www.tugraz.at/institute/ittm">Institute of Thermal Turbomachinery and Machine Dynamics</a></br><a href="https://www.tugraz.at">Graz University of Technology</a> https://aeroenginesafety.tugraz.at/ 2026-05-19T15:12:26+00:00 https://aeroenginesafety.tugraz.at/ https://aeroenginesafety.tugraz.at/lib/exe/fetch.php?media=wiki:logo.png text/html 2020-06-25T20:43:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://aeroenginesafety.tugraz.at/doku.php?id=6:62:62&rev=1593117809&do=diff 6.2 Damage Caused by Fretting <a id="damage-caused-by-fretting"></a> [ Damage caused by fretting ] Fretting damage can be found in many different engine parts (see ). This damage is usually discovered in the development stages through targeted follow-up examinations, and overhaul intervals that ensure safe operation are then determined. However, aside from affecting the life span of the engine, fretting damage is an important factor in overhaul and repair costs. The allowable or reworkable siz…