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Surface strain evolution of ultrafine-grained aluminum alloy laminates under tension – Microscale plastic instabilities and the Portevin–Le Chatelier effect

Materials ScienceEngineeringSevere Plastic DeformationMechanical PropertiesMechanical EngineeringPortevin–le Chatelier EffectSurface Strain EvolutionStressstrain AnalysisUltrafine-grained Aluminum AlloyMicrostructure-strength RelationshipMechanics Of MaterialsMicrostructureHigh Strain Rate