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http://nopr.niscpr.res.in/handle/123456789/31242| Title: | Effects of Nd/Gd ratio on the microstructures and mechanical properties of Mg-Gd-Y-Nd-Zr alloys |
| Authors: | Liu, Xuan Le, Qichi Zhang, Zhiqiang Bao, Lei Cui, Jianzhong |
| Keywords: | Mg-Gd-Y-Nd-Zr alloy;Microstructure;Inverted extrusion;Mechanical properties |
| Issue Date: | Feb-2015 |
| Publisher: | NISCAIR-CSIR, India |
| Abstract: | Three Mg-Gd-Y-Nd-Zr alloys with different Nd/Gd ratios (0.2, 0.5 and 1) are prepared by metal mould casting method. The microstructures and mechanical properties have been investigated. The Nd/Gd ratio has a great influence on the volume fraction of the second phase of the Mg-Gd-Y-Nd-Zr alloys. Volume fraction of the second phase increases with the Nd/Gd ratio increasing. The mechanical properties of the alloys do not get decreased when the Nd/Gd ratio rises up. It should be ascribed to the equal cumulative effect of solid solution strengthening and second phase strengthening. The as-extruded Mg-6Gd-3Y-6Nd-0.6Zr has the best mechanical properties and lowest Gd addtion, and its ultimate tensile strength, yield strength and elongation are 336 MPa, 300 MPa and 2.5%, respectively. |
| Page(s): | 14-22 |
| ISSN: | 0975-1017 (Online); 0971-4588 (Print) |
| Appears in Collections: | IJEMS Vol.22(1) [February 2015] |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| IJEMS 22(1) 14-22.pdf | 726.87 kB | Adobe PDF | View/Open |
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