A Diagram for Glass Transition and Plastic Deformation in Model Metallic Glasses

被引：21
作者：
Gao, X. Q. [1 ]
Wang, W. H. [1 ]
Bai, H. Y. [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY | 2014年 / 30卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Homogeneous plastic flow; Glass transition; Metallic glass; FREE-VOLUME MODEL; FORMING LIQUIDS; HOMOGENEOUS FLOW; ELASTIC MODELS; TEMPERATURE; PARTICLES; ALLOYS; STATE;
D O I：
10.1016/j.jmst.2013.12.021
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we report a strain rate related glass transition in model SrCaYbMg(Li)Zn(Cu) metallic glasses at room temperature. A critical strain rate, equivalent to glass transition temperature, is found for the strain rate induced glassy state to liquid-like viscoplastic state translation. The results show that the observation time, equivalent to temperature and stress, is a key parameter for the transition between the glass and supercooled liquid states. A three-dimension glass transition diagram involved in time, temperature and stress in metallic glasses is established.
引用
收藏
页码：546 / 550
页数：5
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