Improving the mechanical properties of pure magnesium by three-roll planetary milling

In this study three-roll planetary milling was used to trial its potential for enhancing the mechanical properties of pure magnesium. The material was subjected to several passes of planetary milling at progressively decreased temperatures, down to room temperature for the last pass. It was shown th...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2014-08, Vol.612, p.287-292
Main Authors: Diez, Mathilde, Kim, Hyoun-Ee, Serebryany, Vladimir, Dobatkin, Sergey, Estrin, Yuri
Format: Article
Language:English
Subjects:
Billets
Deformation
Ductility
Grain size
Magnesium
Mechanical properties
Microstructure
Strain
Strength
Structural materials
Three-roll planetary milling
Yield stress
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Summary:In this study three-roll planetary milling was used to trial its potential for enhancing the mechanical properties of pure magnesium. The material was subjected to several passes of planetary milling at progressively decreased temperatures, down to room temperature for the last pass. It was shown that with increased number of passes the grain size was reduced, eventually to the micron range. Concurrently, the microstructure became increasingly more uniform across the billet. After six passes pure magnesium showed an excellent combination of tensile properties at room temperature, with a yield stress of 116MPa and a strain to failure of 13%.
ISSN:0921-5093
1873-4936
DOI:10.1016/j.msea.2014.06.061