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Deformation modes and anisotropy in magnesium alloy AZ31
RISE, Swerea, Swerea KIMAB.
Deakin University.
Deakin University.
Deakin University.
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2009 (English)In: International Journal of Materials Research - Zeitschrift für Metallkunde, ISSN 1862-5282, E-ISSN 2195-8556, Vol. 100, no 4, 556-563 p.Article in journal (Refereed)
Abstract [en]

A strongly textured sheet of magnesium alloy AZ31 has been subjected to tensile testing at temperatures between ambient and 300 °C. Structures have been examined by optical and transmission electron microscopy and also by atomic force microscopy to quantify surface displacements seen at grain boundaries. Plastic anisotropy varies strongly with test temperature as was observed previously by Agnew and Duygulu. The present findings do not support the view that crystallographic <c + a> becomes a major contributor to deformation at higher temperatures. Rather, the material behaviour reflects an increasing contribution from grain boundary sliding despite the relatively high strain rate (10-3 s-1 ) used in the mechanical tests. © Carl Hanser Verlag GmbH & Co. KG.

Place, publisher, year, edition, pages
2009. Vol. 100, no 4, 556-563 p.
Keyword [en]
Anisotropy, Grain boundary sliding, Magnesium, Slip systems, Texture
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:ri:diva-12885DOI: 10.3139/146.110070Scopus ID: 2-s2.0-65549118316OAI: oai:DiVA.org:ri-12885DiVA: diva2:973078
Available from: 2016-09-22 Created: 2016-09-22Bibliographically approved

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