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Twinning and the ductility of magnesium alloys Part I: “Tension” twins
Magnesium and its alloys do not in general undergo the same extended range of plasticity as their competitor structural metals. The present work is part I of a study that examines some of the roles deformation twinning might play in the phenomenon. A series of tensile test results are reported for the common wrought alloy AZ31. These data are employed in conjunction with a simple constitutive model to argue that View the MathML source twinning (which gives extension along the c-axis) can increase the uniform elongation in tensile tests. This effect appears to be similar to that seen in Ti, Zr and Cu–Si and in the so called TWIP phenomenon in steel.
History
Journal
Materials Science and Engineering A: Structural Materials: Properties, Microstructures and ProcessingVolume
464Issue
1-2Pagination
1 - 7Publisher
Elsevier B.V.Location
Amsterdam, The NetherlandsPublisher DOI
ISSN
0921-5093eISSN
1873-4936Language
engPublication classification
C1 Refereed article in a scholarly journalCopyright notice
2006, Elsevier B.V.Usage metrics
Keywords
tensile testductilitywork softeningtwinningScience & TechnologyTechnologyNanoscience & NanotechnologyMaterials Science, MultidisciplinaryMetallurgy & Metallurgical EngineeringScience & Technology - Other TopicsMaterials ScienceROOM-TEMPERATURESINGLE-CRYSTALSPRISMATIC SLIPDEFORMATIONBEHAVIORSTRESSMETALSMGMECHANISMSEVOLUTIONMechanical Engineering
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