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Ashish lisu
Iron
Asked: 2021-07-08T20:43:57+05:30 In:

how do fatigue failure occur even if the applied stress is below yield stress?

how do fatigue failure occur even if the applied stress is below yield stress?
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    1. Hey Ashish, Failure occurs due to the cyclic nature of load (below the load that would result in yielding), which causes microscopic flaws to grow into the microscopic crack. This crack can propagate to a critical size that leads to failure. Fatigue cracks usually initiate at stress concentrations,Read more

      Hey Ashish,

      Failure occurs due to the cyclic nature of load (below the load that would result in yielding), which causes microscopic flaws to grow into the microscopic crack. This crack can propagate to a critical size that leads to failure. Fatigue cracks usually initiate at stress concentrations, inclusions, weld defects Et cetera.

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