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Enhancement of properties in cast Mg-Y-Zn rod processed by severe plastic deformation

Lapovok, Rimma, Gao, Xiang, Nie, Jian-Feng, Estrin, Yuri and Mathaudhu, Suveen N. 2014, Enhancement of properties in cast Mg-Y-Zn rod processed by severe plastic deformation, Materials science and engineering a, vol. 615, pp. 198-207, doi: 10.1016/j.msea.2014.07.068.

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Title Enhancement of properties in cast Mg-Y-Zn rod processed by severe plastic deformation
Author(s) Lapovok, Rimma
Gao, Xiang
Nie, Jian-Feng
Estrin, Yuri
Mathaudhu, Suveen N.
Journal name Materials science and engineering a
Volume number 615
Start page 198
End page 207
Total pages 10
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2014-10-06
ISSN 0921-5093
Summary Ternary Mg-Y-Zn alloys have attracted considerable attention from researchers due to their excellent mechanical properties and unique microstructures, particularly from the presence of long-period stacking-order (LPSO) phases. Microstructural variations and the resulting mechanical properties can be affected by various processing routes, particularly those involving severe plastic deformation of a cast billet. The approach used in this work was based on subjecting cast Mg92Y4Zn4 (composition in wt%) billet to severe plastic deformation by three different routes, namely equal channel angular pressing (ECAP), high pressure torsion (HPT) and ECAP followed by HPT, with the aim of refining the microstructure and improving mechanical properties. Samples processed by ECAP were annealed by post-processing and tested in compression and tension. The effect of the processing route and the process parameters on the microstructure and the hardness of the Mg-Y-Zn alloy is reported. An overall positive effect of annealing treatment on the mechanical properties of ECAP-processed alloy is demonstrated. © 2014 Elsevier B.V.
Language eng
DOI 10.1016/j.msea.2014.07.068
Field of Research 091207 Metals and Alloy Materials
0912 Materials Engineering
0913 Mechanical Engineering
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30075949

Document type: Journal Article
Collection: Institute for Frontier Materials
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