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| Effect of Yttrium on Properties of Intermetallic Compound Mg17Al12 |
| YANG Zijun1 LI Yonggang1 WEI Yinghui 1,2** HOU Lifeng1 GUO Chunli1 |
1. Taiyuan University of Technology, Taiyuan 030024;
2. Lvliang University, Lvliang 033000 |
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Cite this article:
YANG Zijun, LI Yonggang, WEI Yinghui 1,2** HOU Lifeng, GUO Chunli. Effect of Yttrium on Properties of Intermetallic Compound Mg17Al12. Chinese Journal of Materials Research, 2013, 27(3): 326-330.
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Abstract The effects of yttrium with different content on the microstructures and mechanical properties of intermetallic compound Mg17Al 12 were investigated by using scanning electron microscope(SEM), Xray diffractometer(XRD), electronic universal testing machines and electrochemical method.The results show that proper content of Y can refine the microstructures of intermetallic compound Mg17Al 12, and a new irregular phase Al2Y and a renju shaped phase eutectic structureα-Mg+β-Mg17Al 12 form. The proper content of Y can improve the intermetallic compound Mg17Al 12’s corrosion resistance and mechanical properties at room temperature. The alloy has the best properties when the content of the Y is 2.0% ,however excessive Y decreases the combination properties of the intermetallic compound.
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Received: 06 January 2013
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| Fund: *Supported by National Natural Science Foundation of China Nos. 51001079 & 21201129, Doctoral Found of Ministry of Education of China No.20091402110010, China Postdoctoral Science Foundation No.20100471586, Top Young Academic Leaders of Higher Learning Institutions of Shanxi, and National Natural Science Foundation of Shanxi Province Nos. 2011011020-2 & 2010021023-1. |
| About author: **To whom correspondence should be addressed, Tel: (0351)6018685, E-mail: weiyinghui@tyut.edu.cn |
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