Lindemann-type criterion on the glass transition temperature of metallic glasses

被引：1
|
作者：
Zhao, K. [1 ]
He, C. [1 ]
Liu, G. C. [1 ]
Ju, J. [1 ]
Lv, S. H. [1 ]
机构：
[1] Hebei Univ Sci & Technol, Sch Sci, Dept Phys, Shijiazhuang 050018, Hebei, Peoples R China
来源：
JOURNAL OF NON-CRYSTALLINE SOLIDS | 2018年 / 482卷
基金：
中国国家自然科学基金;
关键词：
Metallic glass; Glass transition temperature; Lindemann criterion; ELASTIC PROPERTIES; FORMING ABILITY; STRENGTH; ALLOYS; PR; ND; PLASTICITY; MODELS; TB; GD;
D O I：
10.1016/j.jnoncrysol.2017.12.033
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Previous studies show that there are some similarities between glass transition and melt process for metals. We assume that the glass transition occurs when the amplitude of atomic vibrational motions exceeds a critical fraction of the atomic spacing, and find that the glass transition temperature of metallic glass is proportional to the product of its Young's modulus and molar volume. The finding indicates that the glass transition is associated with the vibrational motions of atoms, and a Lindemann-type criterion holds for the glass transition temperature of metallic glasses.
引用
收藏
页码：243 / 245
页数：3
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