A free-volume model for the rheology of undercooled Zr41.25Ti13.75Cu12.5Ni10Be22.5 liquid

被引：4
|
作者：
Demetriou, MD [1 ]
Johnson, WL [1 ]
机构：
[1] CALTECH, Keck Lab Engn Mat, Pasadena, CA 91125 USA
来源：
SCRIPTA MATERIALIA | 2005年 / 52卷 / 09期
关键词：
bulk amorphous materials; compression test; plastic deformation; shear bands; non-Newtonian flow;
D O I：
10.1016/j.scriptamat.2005.01.014
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A self-consistent model based on creation and annihilation of free volume during steady flow is presented. The model successfully simulates the experimental shear-rate dependent viscosity of undercooled Zr41.25Ti13.75Cu12.5Ni10Be22.5 liquid. The model solution is well approximated by an analytic function, which appears identical to the Johnson-Segalman formulation for viscoelastic fluids. (C) 2005 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：833 / 837
页数：5
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