Experimental and computational studies of low cycle fatigue crack nucleation in a polycrystal

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Is stored energy density the primary meso-scale mechanistic driver for fatigue crack nucleation? (2018, background): “The frequency of successful attempts to jump the obstacles is given by the term − −( )( ) ( )ν exp sinh τ τΔFkT ΔVkT α cα , considering both forward and backward activation events (Dunne et al., 2007b).”
Crystal plasticity modelling and HR-DIC measurement of slip activation and strain localization in single and oligo-crystal Ni alloys under fatigue (2017, methodology): “Interestingly, the rate-sensitive response of the material is a key factor in the crack nucleation process (Zhang et al., 2015b; Dunne et al., 2007b).”
Microstructure-sensitive extreme value probabilities for high cycle fatigue of Ni-base superalloy IN100 (2010, methodology): “[55] used detailed simulations coupled with experiments to show that crystal plasticity can correlate precisely to localized plastic slip (and subsequent fatigue crack formation) in realistic Ni-base superalloy and Ti alloy microstructures.”