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Study of vacancy-type defects by positron annihilation in ultrafine-grained aluminum severely deformed at room and cryogenic temperatures

Materials EngineeringMaterials ScienceUltrafine-grained AluminumPositron AnnihilationEngineeringAluminium NitridePhysicsSevere Plastic DeformationApplied PhysicsCondensed Matter PhysicsMetallurgical InteractionDefect FormationDefect ToleranceMicrostructureVacancy-type Defects