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Formation of a high-cycle fatigue fracture surface and a crack growth mechanism of ultrafine-grained copper with different stages of microstructural evolution

Materials ScienceUltrafine-grained CopperEngineeringSevere Plastic DeformationSuperalloyMechanical EngineeringDifferent StagesMicrostructure-strength RelationshipCrack FormationCrack Growth MechanismLow-cycle FatigueMechanics Of MaterialsMicrostructure