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Determination of fracture toughness from stretch zone width measurement in predeformed AISI type 4340 steel

EngineeringFracture ToughnessMechanical EngineeringStressstrain AnalysisMicrostructure-strength RelationshipHigh Strength Low Alloy SteelFracture MechanicsCrack FormationDynamic Crack PropagationMechanics Of MaterialsMicrostructure