Self-patterning Gd nano-fibers in Mg-Gd alloys
Abstract
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.
- Authors:
-
- 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
- Publication Date:
- Research Org.:
- Univ. of Nebraska, Lincoln, NE (United States). Dept. of Mechanical and Materials Engineering
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC)
- OSTI Identifier:
- 1390057
- Grant/Contract Number:
- YK2015-0202002
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Scientific Reports
- Additional Journal Information:
- Journal Volume: 6; Journal Issue: 1; Journal ID: ISSN 2045-2322
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; Metals and alloys; Structural properties
Citation Formats
Li, Yangxin, Wang, Jian, Chen, Kaiguo, Shao, Meiyue, Shen, Yao, Jin, Li, and Zhu, Guo-zhen. Self-patterning Gd nano-fibers in Mg-Gd alloys. United States: N. p., 2016.
Web. doi:10.1038/srep38537.
Li, Yangxin, Wang, Jian, Chen, Kaiguo, Shao, Meiyue, Shen, Yao, Jin, Li, & Zhu, Guo-zhen. Self-patterning Gd nano-fibers in Mg-Gd alloys. United States. https://doi.org/10.1038/srep38537
Li, Yangxin, Wang, Jian, Chen, Kaiguo, Shao, Meiyue, Shen, Yao, Jin, Li, and Zhu, Guo-zhen. Wed .
"Self-patterning Gd nano-fibers in Mg-Gd alloys". United States. https://doi.org/10.1038/srep38537. https://www.osti.gov/servlets/purl/1390057.
@article{osti_1390057,
title = {Self-patterning Gd nano-fibers in Mg-Gd alloys},
author = {Li, Yangxin and Wang, Jian and Chen, Kaiguo and Shao, Meiyue and Shen, Yao and Jin, Li and Zhu, Guo-zhen},
abstractNote = {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.},
doi = {10.1038/srep38537},
journal = {Scientific Reports},
number = 1,
volume = 6,
place = {United States},
year = {Wed Dec 07 00:00:00 EST 2016},
month = {Wed Dec 07 00:00:00 EST 2016}
}
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