 ##  [Fatigue Failure](/fatigue-failure) 

  ##  [Fatigue Failure](https://engineering.quantumdictionary.io/fatigue-failure-0) 

  
 [![Engineering & Applied Technologies Dictionary](/sites/default/files/styles/large/public/2026-01/Engineering%20%26%20Applied%20Technologies.png.webp?itok=_IKO7_-n)](/topic-specific-dictionaries/engineering-applied-technologies)


**Engineering &amp; Applied Technologies Dictionary**

 
Definition

Progressive structural or material failure caused by repeated cyclic loading that nucleates microscopic cracks at stress concentrators and allows those cracks to grow incrementally over many cycles until a critical crack size produces final unstable fracture.