Microstructure, Deformation, and Property of Wrought Magnesium Alloys

dc.contributor.authorNie, J. F.
dc.contributor.authorShin, K. S.
dc.contributor.authorZeng, Zhuoran
dc.date.accessioned2022-01-28T03:19:52Z
dc.date.issued2020-10-10
dc.date.updated2020-12-06T09:05:46Z
dc.description.abstractPure magnesium (Mg) develops a strong basal texture after conventional processing of hot rolling or extrusion. Consequently, it exhibits anisotropic mechanical properties and is difficult to form at room temperature. Adding appropriate alloying elements can weaken the basal texture or even change it, but the improvement in formability and mechanical properties is still far from expectations. Over the past 20 years, considerable efforts have been made and significant progress has been made on wrought Mg alloys at the fundamental and technological levels. At the fundamental level, textures formed in sheets and extrusions of different alloy compositions and produced under different strain paths or thermomechanical processing conditions are relatively well established, with the assistance of the advanced characterization technique of electron backscatter diffraction. At the technological level, room temperature formability of sheet has been significantly improved, and tension–compression yield asymmetry of extrusion is also remarkably reduced or eliminated. This paper starts with an overview of dislocations, stacking faults and twins, and deformation of single crystals of pure Mg along different orientations and under different loading conditions, followed by a review of microstructure (texture and grain size) and deformation of polycrystalline pure Mg with different textures, grain sizes, and loading conditions. With this information as a base, texture, grain size, and deformation of polycrystalline Mg alloy sheets and extrusions produced under different processing conditions are systematically examined and compared. Remaining and emerging scientific and technology issues are then highlighted and discussed in the context of texture and grain size. The need for better-resolution diffraction and spectroscopy techniques is also discussed in the relationship between texture change and grain boundary solute segregation.en_AU
dc.description.sponsorshipThis work is supported by the Australian Research Council.en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn1543-1940en_AU
dc.identifier.urihttp://hdl.handle.net/1885/258613
dc.language.isoen_AUen_AU
dc.provenancehttps://v2.sherpa.ac.uk/id/publication/14515..."The Accepted Version can be archived in Institutional Repository. 12 months embargo" from SHERPA/RoMEO site (as at 3/02/2022).
dc.publisherSpringeren_AU
dc.rights© The Minerals, Metals & Materials Society and ASM International 2020en_AU
dc.sourceMetallurgical and Materials Transactions Aen_AU
dc.titleMicrostructure, Deformation, and Property of Wrought Magnesium Alloysen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Access
local.bibliographicCitation.issue12en_AU
local.bibliographicCitation.lastpage6109en_AU
local.bibliographicCitation.startpage6045en_AU
local.contributor.affiliationZeng, Z. R., College of Engineering and Computer Science, The Australian National University,en_AU
local.contributor.authoremailZHUORAN.ZENG@anu.edu.auen_AU
local.contributor.authoruidu1098755en_AU
local.description.notesImported from Springer Natureen_AU
local.identifier.ariespublicationa383154xPUB15886
local.identifier.citationvolume51en_AU
local.identifier.doi10.1007/s11661-020-05974-zen_AU
local.identifier.uidSubmittedByu1005913en_AU
local.publisher.urlhttps://link.springer.com/en_AU
local.type.statusAccepted Versionen_AU

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