| Equation of state of Zr41 Ti14 Cu12.5 Ni10 Be22.5 bulk metallic glass |
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| 引用本文： | 战再吉 刘秋云 郑润国 王文魁 刘景. Equation of state of Zr41 Ti14 Cu12.5 Ni10 Be22.5 bulk metallic glass[J]. 哈尔滨工业大学学报(英文版), 2007, 14(3): 432-435 |
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| 作者姓名： | 战再吉 刘秋云 郑润国 王文魁 刘景 |
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| 作者单位： | [1]School of National Defence Science and Technology, Yanshan University, Qinhuangdao 066004, China [2]Biocomposites Centre, University of Wales, Bangor LI57 2UW, United Kingdom [3]BRSF, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China |
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| 基金项目： | Sponsored by the National Natural Science Foundation of China(Grant No.10004014). |
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| 摘 要： | The knowledge of the equation of state （EOS） and the compressibility of a solid are of central importance for the understanding of the behavior and the application of a condensed matter. The compression behavior of Zr41Ti14Cu12.5Ni10Be22. 5 bulk metallic glass （BMG） is investigated at room temperature up to 24 GPa using in-situ high pressure energy dispersive X-ray diffraction with synchrotron radiation. A model of basic cell volume has been established and the equation of state of BMG is determined by the calculation of radial distribution function. The experimental results indicate that the BMG contains a large amount of vacancy-like free volume. Low pressure （ below 7 GPa） induces the collapse of the free volume to some extent and structure relaxation in the BMG.
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| 关 键 词： | 金属玻璃 高压 状态方程 同步加速器辐射 复合材料 |
| 文章编号： | 1005-9113（2007）03-0432-04 |
| 修稿时间： | 2006-05-30 |
Equation of state of Zr41 Ti14 Cu12.5 Ni10 Be22.5 bulk metallic glass |
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| ZHAN Zai-ji,LIU Qiu-yun,ZHENG Run-guo,WANG Wen-kui,LIU Jing. Equation of state of Zr41 Ti14 Cu12.5 Ni10 Be22.5 bulk metallic glass[J]. Journal of Harbin Institute of Technology (New Series), 2007, 14(3): 432-435 |
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| Authors: | ZHAN Zai-ji LIU Qiu-yun ZHENG Run-guo WANG Wen-kui LIU Jing |
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| Abstract: | The knowledge of the equation of state (EOS) and the compressibilityof a solid are of central importance for the understanding of the behavior and the application of a condensed matter. The compression behavior of Zr41 Ti14Cu12.5Ni10Be22.5 bulk metallic glass (BMG) is investigated at room temperature up to 24 GPa using in-situ high pressure energy dispersive X-ray diffraction with synchrotron radiation. A model of basic cell volume has been established and the equation of state of BMG is determined by the calculation of radial distribution function. The experimental results indicate that the BMG contains a large amount of vacancy-like free volume.Low pressure ( below 7 GPa) induces the collapse of the free volume to some extent and structure relaxation in the BMG. |
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| Keywords: | bulk metallic glass high pressure equation of state synchrotron radiation |
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