Vibrational dynamics of Zr-based bulk metallic glasses

被引：2
|
作者：
Vora A.M. [1 ]
机构：
[1] Humanities and Social Science Department, STBS College of Diploma Engineering, Surat 395006, South Gujarat, Opp. Spinning Mill, Varachha Road
来源：
Frontiers of Materials Science in China | 2009年 / 3卷 / 3期
关键词：
Elastic properties; Pair potential; Phonon dispersion curves; Thermal properties; Zr-based bulk metallic glasses;
D O I：
10.1007/s11706-009-0045-9
中图分类号：
学科分类号：
摘要：
The vibrational dynamics of some Zr-based bulkmetallic glasses were studied at room temperature in terms of phonon eigen frequencies of longitudinal and transverse modes employing three different approaches proposed by Hubbard-Beeby (HB), Takeno-Goda (TG) and Bhatia-Singh (BS). The well recognized model potential is employed successfully to explain electron-ion interaction in the metallic glass. The present findings of phonon dispersion curve are found to be in fair agreement with available theoretical as well as experimental data. The thermodynamic properties obtained by the HB and TG approaches are found to be much lower than those obtained by the BS approach. © Higher Education Press and Springer-Verlag 2009.
引用
收藏
页码：285 / 300
页数：15
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