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Influence of Coarse Mg3Bi2 Particles on Deformation Behaviors of Mg-Bi Alloys

Guo, T, Lu, X, Varma, Ramesh Kumar, Zhao, C, Wang, Jun, You, J and Chen, J 2021, Influence of Coarse Mg3Bi2 Particles on Deformation Behaviors of Mg-Bi Alloys, Frontiers in Materials, vol. 8, pp. 1-11, doi: 10.3389/fmats.2021.633789.

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Title Influence of Coarse Mg3Bi2 Particles on Deformation Behaviors of Mg-Bi Alloys
Author(s) Guo, T
Lu, X
Varma, Ramesh Kumar
Zhao, CORCID iD for Zhao, C orcid.org/0000-0001-8889-6216
Wang, Jun
You, J
Chen, J
Journal name Frontiers in Materials
Volume number 8
Article ID 633789
Start page 1
End page 11
Total pages 11
Publisher Frontiers Media
Place of publication Lausanne, Switzerland
Publication date 2021-02
ISSN 2296-8016
2296-8016
Keyword(s) bismuth
coarse particles
deformation behavior
magnesium
Materials Science
Materials Science, Multidisciplinary
Science & Technology
Technology
zinc
Summary Mg-Bi binary alloys with concentrations of 1, 3, 6, and 9 wt% Bi and ternary Mg-9Bi-2.5Zn alloy were prepared by casting and hot extrusion. The results show that alloying with Bi refined as-cast grains of Mg alloys and the refinement efficiency of Bi is in between Al and Zr. It was also found that a critical value for the area fraction of constituent Mg3Bi2 particles seems to appear, which influences the dynamic recrystallization mechanism during extrusion. This influence results in either uniform or heterogenetic distribution of grain size and different extrusion texture intensities. Furthermore, the addition of Zn affected both the grain size and the area fraction/size of Mg3Bi2. Mechanical results and microstructure/fractography observation suggest that Mg3Bi2 particles do not impact the tensile nor compression yielding stress but act as fracture sources.
Language eng
DOI 10.3389/fmats.2021.633789
Field of Research 0912 Materials Engineering
1007 Nanotechnology
HERDC Research category C1 Refereed article in a scholarly journal
Grant ID National Natural Science Foundation of China (NSF) (Grant No. 51901169)
Special Scientific Research Program of Shaanxi Provincial Department of Education (No. 2019-112-01)
Free to Read? Yes
Persistent URL http://hdl.handle.net/10536/DRO/DU:30150055

Document type: Journal Article
Collections: Institute for Frontier Materials
Open Access Collection
GTP Research
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.