Metal Fatigue

kolibri282

Super Member
Joined
Aug 2, 2009
Messages
3,011
Location
Duesseldorf
Very nice example of a fatigue crack. This is why it is important to regularly check metal parts subject to alternating stresses, even when the stress amplitude may be small. In case of doubt use a dye test.
210512181125-03-memphis-crack-hernando-de-soto-bridge-exlarge-169.jpg



https://edition.cnn.com/2021/05/18/us/memphis-bridge-employee-fired/index.html

Fortunately nobody was hurt. A bit more on the subject here:
https://www.rotaryforum.com/threads...accidents-involving-fatigue-fracture.1146101/
 
Last edited:

Tyger

Super Member
Joined
Nov 25, 2017
Messages
1,931
Location
Clermont, NY
Aircraft
Magni M16
Total Flight Time
460
I don't think you need a dye test on that one...
 
Top