Abstract
AbstractRecent developments in microstructure‐sensitive computational modeling and experimental verification have provided significant insight on how one can estimate fatigue damage and predict useful life. As a myriad of methods and approaches are available, it is important to understand how to properly utilize them in a unified and efficient framework for the quantification of damage in safety‐critical components such as jet engine fan blades, gas turbine disks, and airframe structural connections. To this end, the microstructure‐sensitive studies considering crystal plasticity are reviewed, and methods for implementing the statistical representations of material microstructure are presented. Finally, a computational crystal plasticity approach utilizing the statistical representation of parameters and a new thermodynamically based framework is suggested.
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