Self-patterning Gd nano-fibers in Mg-Gd alloys
- Shanghai Jiao Tong Univ. (China). State Key Lab. of Metal Matrix Composites; Shanghai Jiao Tong Univ. (China). National Engineering Research Center of Light Alloy Net Forming, School of Materials Science and Engineering
- Univ. of Nebraska, Lincoln, NE (United States). Dept. of Mechanical and Materials Engineering
- China Academy of Engineering Physics, Mianyang, Sichuan (China). National Key Lab of Shockwave and Detonation Physics, Inst. of Fluid Physics
- Shanghai Jiao Tong Univ. (China). National Engineering Research Center of Light Alloy Net Forming, School of Materials Science and Engineering
- Shanghai Jiao Tong Univ. (China). State Key Lab. of Metal Matrix Composites
Manipulating the shape and distribution of strengthening units, e.g. particles, fibers, and precipitates, in a bulk metal, has been a widely applied strategy of tailoring their mechanical properties. Here, we report self-assembled patterns of Gd nano-fibers in Mg-Gd alloys for the purpose of improving their strength and deformability. 1-nm Gd nano-fibers, with a $$\langle$$c$$\rangle$$ -rod shape, are formed and hexagonally patterned in association with Gd segregations along dislocations that nucleated during hot extrusion. Such Gd-fiber patterns are able to regulate the relative activities of slips and twinning, as a result, overcome the inherent limitations in strength and ductility of Mg alloys. Finally, this nano-fiber patterning approach could be an effective method to engineer hexagonal metals.
- Research Organization:
- Univ. of Nebraska, Lincoln, NE (United States). Dept. of Mechanical and Materials Engineering
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC)
- Grant/Contract Number:
- YK2015-0202002
- OSTI ID:
- 1390057
- Journal Information:
- Scientific Reports, Vol. 6, Issue 1; ISSN 2045-2322
- Publisher:
- Nature Publishing GroupCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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