| CONDENSED MATTER: STRUCTURE, MECHANICAL AND THERMAL PROPERTIES |
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Preparation of Thermo-Stable Bulk Metallic Glass of Nd60Cu20Ni10Al10 by Rapid Compression |
YUAN Chao-Sheng1, LIU Xiu-Ru1, SHEN Ru1, SUN Zhen-Ya2, CHEN Bo2, LV Shi-Jie1, HE Zhu1, HU Yun1, HONG Shi-Ming1 |
| 1Laboratory of High Pressure Physics, Southwest Jiaotong University, Chengdu 610031 2Certer for Materials Research and Testing, Wuhan University of Technology, Wuhan 430070 |
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| Cite this article: |
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YUAN Chao-Sheng, LIU Xiu-Ru, SHEN Ru et al 2010 Chin. Phys. Lett. 27 096202 |
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Abstract Melt of Nd60Cu20Ni10Al10 alloy is solidified by rapid compression from 0.1 to 5.5 GPa at 793 K and from 0.1 to 3.2 GPa at 873 K within 20 ms, separately. A fully bulk metallic glass is obtained by the rapid compression method. By comparing with as-cast bulk metallic glass (BMG), it is found that Nd60Cu20Ni10Al10 BMG prepared by rapid compression exhibits a higher thermodynamic stability and a paramagnetic property. The relationship between the glass-formation temperature and the pressure in rapid compression for the BMG is demonstrated in the P-T phase diagram.
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| Keywords:
62.50.-p
81.05.Kf
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Received: 19 May 2010
Published: 25 August 2010
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| PACS: |
62.50.-p
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(High-pressure effects in solids and liquids)
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81.05.Kf
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(Glasses (including metallic glasses))
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