Philosophical magazine. A/Philosophical magazine. A. Physics of condensed matter. Structure, defects and mechanical properties · 2001 · 68 citations · 19 references
Natural SciencesMaterials EngineeringMaterials ScienceMaterials CharacterizationMetallurgyPhase TransformationsAlloysDeformation MechanismsMartensitic TransformationsMetalsMicrostructure AnalysisMicrostructure EvolutionDeformationIntermediate Phase FormationLattice ParametersSelf-accommodated MartensiteShape-memory AlloysTetragonal DistortionTwinningTwinning Deformation
Abstract An investigation of the microstructures of four U–Nb alloys has been conducted. The nominal Nb contents are 5, 9, 13 and 18at.% (approximately 2, 4, 5.5 and 8 wt%). The self-accommodating twin structures have been characterized and considered in terms of the lattice parameters of the martensite phases as well as the tetragonal distortion associated with the previously proposed intermediate γ0 phase. In addition, active deformation twinning systems during deformation of the U–13 at.% Nb shape-memory alloy have been identified and are discussed with respect to the α'' monoclinic distortion and ease of propagation in the microstructure.
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Plastic deformation of alpha-uranium; twinning and slip
Robert W. Cahn · Acta Metallurgica · 1953 · 296 citations