Uncovering the Mystery of Fatigue Cracks: Sources, Detection & Prevention

AI Thread Summary
Fatigue cracks are small fractures that develop in materials due to repeated stress and strain, commonly found in aircraft fuselages. Major sources of fatigue include cyclic loading from pressurization, temperature changes, and material defects. Detection methods during inspections involve visual checks, non-destructive testing techniques like ultrasonic and eddy current inspections. To reduce the risk of fatigue cracks, regular maintenance, material selection, and design improvements are essential. These cracks are dangerous as they can lead to structural failure, compromising aircraft safety.
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what are fatigue cracks?
what are the major sources of fatigue withing the fuselage?
how can fatigue cracks be detected during inspection?
how can the risk of fatigue cracks in the fuselage be reduced?
why are they dangerous?
what is their origin?

I've tried to find answers for these questions about fatigue cracks but couldn't find anything on google
 
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