High temperature deformation of a fully amorphous and partially crystallized bulk metallic glass

被引：8
|
作者：
Wang, Q
Blandin, JJ
Suery, M
Van de Moortele, B
Pelletier, JM
机构：
[1] Inst Natl Polytech Grenoble, GPM2, ENSPG, UMR CNRS 5010,FR CNRS 2145, F-38402 St Martin Dheres, France
[2] Inst Natl Sci Appl, GEMPPM, UMR CNRS 5510, FR CNRS 2145, F-69621 Villeurbanne, France
来源：
ANNALES DE CHIMIE-SCIENCE DES MATERIAUX | 2002年 / 27卷 / 05期
关键词：
D O I：
10.1016/S0151-9107(02)80041-1
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The mechanical behaviour, of fully amorphous and partially crystallized Zr41.2Ti13.8Cu12.5Ni10Be22.5 bulk metallic glass (BMG) was studied in the supercooled liquid region. In the studied experimental domain, Newtonian flow can be obtained in the fully amorphous state but as the strain rate is increased, a transition from Newtonian to non-Newtonian behaviour is detected. After primary crystallization, the apparent viscosity is significantly increased but the deformability of the composite residual glass / nanocrystals is still large. However, in such conditions, non-Newtonian behaviours; are promoted.
引用
收藏
页码：19 / 24
页数：6
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