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Grain size effect on the small fatigue crack initiation and growth mechanisms of nickel-based superalloy GH4169

Materials ScienceNickel-based Superalloy Gh4169EngineeringSuperalloyMechanical EngineeringGrain Size EffectMicrostructure-strength RelationshipCrack FormationDynamic Crack PropagationLow-cycle FatigueMechanics Of MaterialsMicrostructureGrowth Mechanisms