The microstructural evolution of a pre-alloyed AZ91 magnesium alloy powder through high-energy milling and subsequent isothermal annealing

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dc.contributor.author Jabbari Taleghani, M. A.
dc.contributor.author Torralba Castello, José Manuel
dc.date.accessioned 2015-04-20T10:57:36Z
dc.date.available 2015-04-20T10:57:36Z
dc.date.issued 2013-05
dc.identifier.bibliographicCitation Materials Letters (2013). 98, 182-185.
dc.identifier.issn 0167-577X
dc.identifier.uri http://hdl.handle.net/10016/20453
dc.description.abstract This study analyzed the effect of high-energy milling (HEM) and subsequent isothermal annealing on the microstructural characteristics of a pre-alloyed AZ91 Mg alloy powder. To this end, the mentioned powder was milled for 14 h using a horizontal attritor. Then, the mechanically milled powder was isothermally annealed at temperatures ranging from 200 degrees C to 500 degrees C for I h up to 4 h in an Ar atmosphere. HEM caused the β-Mg₁₇Al₁₂ phase present in the microstructure of AZ91 powder particles to dissolve into their alpha-Mg solid solution matrix. In addition, the crystallite size of the alpha-Mg phase decreased to 25 nm through HEM. In contrast to the annealing time, the temperature of isothermal annealing had a significant effect on the microstructural features of the mechanically milled AZ91 powder.
dc.description.sponsorship The authors would like to thank the Comunidad de Madrid for their financial support of this work through the ESTRUMAT Grant S2009/MAT-1585
dc.format.extent 4
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.relation.ispartof http://hdl.handle.net/10016/20871
dc.rights © 2013 Elsevier B.V.
dc.subject.other AZ91 magnesium alloy
dc.subject.other Pre-alloyed powder
dc.subject.other High-energy milling
dc.subject.other Isothermal annealing
dc.subject.other Microstructural evolution
dc.title The microstructural evolution of a pre-alloyed AZ91 magnesium alloy powder through high-energy milling and subsequent isothermal annealing
dc.type article
dc.description.status Publicado
dc.subject.eciencia Materiales
dc.identifier.doi https://doi.org/10.1016/j.matlet.2013.02.052
dc.rights.accessRights openAccess
dc.relation.projectID Comunidad de Madrid. S2009/MAT-1585/ESTRUMAT
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 182
dc.identifier.publicationlastpage 185
dc.identifier.publicationtitle Materials letters
dc.identifier.publicationvolume 98
dc.identifier.uxxi AR/0000013462
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