Field dependence of the response of a magnetorheological suspension under steady shear flow and squeezing flow

被引：40
|
作者：
See, H [1 ]
机构：
[1] Univ Sydney, Dept Chem Engn, Sydney, NSW 2006, Australia
来源：
RHEOLOGICA ACTA | 2003年 / 42卷 / 1-2期
关键词：
magnetorheological suspensions; MRS; MRF; squeezing flow; field dependence;
D O I：
10.1007/s00397-002-0258-7
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A comparison was made of the behaviour of a magnetorheological suspension under steady shear flow and constant velocity squeezing flow. The strain rates and sample dimensions were chosen to be comparable in the two deformation modes, and the dependence of the mechanical properties on the magnetic flux density B was investigated. The measurements found that the mechanical response under squeezing flow scaled as B-0.91, whereas the response under shearing scaled as B-1.4, close to theoretical predictions. This difference of the field dependence between the shearing and squeezing flows was possibly due to the different microstructural rearrangement processes which occur in the two deformation modes.
引用
收藏
页码：86 / 92
页数：7
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