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Effect of alloying and extrusion temperature on the microstructure and mechanical properties of Mg-Zn and Mg-Zn-RE alloys
journal contribution
posted on 2014-12-01, 00:00 authored by Nigel Ross, Matthew BarnettMatthew Barnett, Aiden BeerAiden BeerExtruded Mg-Zn-RE alloys have been shown to exhibit excellent combinations of yield strength and ductility, but it is not completely clear how adding rare earth metals to Mg-Zn alters the microstructure and affects the mechanical properties. Microstructural changes and the resulting mechanical properties from changes in composition and extrusion temperature have been investigated for Mg-. x Zn-. y RE (. x=2.5 and 5. wt.%, y=0 and 1. wt. %, and RE=Gd and Y) alloys. Adding RE to Mg-Zn increased the strength and reduced the ductility, while increasing the zinc concentration in the Mg-Zn-RE alloys had the reverse effect.
History
Journal
Materials Science and Engineering AVolume
619Pagination
238 - 246Publisher
Elsevier BVLocation
Amsterdam, NetherlandsPublisher DOI
ISSN
0921-5093Language
engPublication classification
C Journal article; C1 Refereed article in a scholarly journalCopyright notice
2014, ElsevierUsage metrics
Keywords
EBSDExtrusionMagnesium alloysMechanical characterisationMicrostructureScience & TechnologyTechnologyNanoscience & NanotechnologyMaterials Science, MultidisciplinaryMetallurgy & Metallurgical EngineeringScience & Technology - Other TopicsMaterials ScienceQUASI-CRYSTALLINE PARTICLESY ALLOYSDEFORMATION-BEHAVIORPHASE PARTICLESGRAIN-SIZETEXTUREDUCTILITYSTRENGTHRECRYSTALLIZATIONMechanical Engineering
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