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A New Model for Microstructure of Liquid Metals |
| TIAN Xue-Lei1,2;SHEN Jun1;SUN Jian-Fei1;Li Qing-Chun1 |
| 1National Key Laboratory of Precision Hot Processing of Metals, Harbin Institute of Technology, Harbin 150001
2Key Laboratory of Liquid Structure and Heredity of Materials (Ministry of Education), Shandong University, Jinan 250061 |
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| Cite this article: |
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TIAN Xue-Lei, SHEN Jun, SUN Jian-Fei et al 2004 Chin. Phys. Lett. 21 700-703 |
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Abstract A nanocrystalline model for microstructures of liquid metals is constructed. According to the nanocrystalline model, the intensity curves of x-ray diffraction (XRD) on liquid Cu, Al and Al65Cu20Fe15 alloy are derived by broadening the XRD peaks of these metals in some crystal structures. These broadening intensity curves are identical with the results measured by an x-ray diffractometer on these liquid metals. The present results indicate that the nanocrystal model may be helpful to understand the microstructures of liquid metals and that there is a close correlation between the short-range orders (SROs) of these liquid metals and some crystal lattice structures. That is, the SRO structures of liquid Cu, Al and Al65Cu20Fe15 alloy are fcc, bcc and icosahedron, respectively.
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| Keywords:
61.20.-p
61.20.Gy
61.25.Mv
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Published: 01 April 2004
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| PACS: |
61.20.-p
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(Structure of liquids)
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61.20.Gy
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(Theory and models of liquid structure)
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61.25.Mv
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(Liquid metals and alloys)
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