VISCOELASTIG PROPERTIES OF MAGNETIC FLUIDS WITH FIBER-LIKE PARTICLES

被引：0

作者：

Lopez-Lopez, M. T. ^{[1
]}

Zubarev, A. ^{[2
]}

Chirikov, D. ^{[2
,3
]}

Radionov, A. ^{[4
]}

机构：

[1] Univ Granada, Fac Ciencias, Dept Fis Aplicada, Granada 18071, Spain

[2] Urals Fed Univ, Ekaterinburg 620083, Russia

[3] Moscow Engn Phys State Univ, Ozyorsk Engn Inst, Ozyorsk, Russia

[4] Ferrogidrodinamika, Nikolayev, Ukraine

来源：

MAGNETOHYDRODYNAMICS | 2014年 / 50卷 / 04期

关键词：

MAGNETORHEOLOGY; RHEOLOGY;

D O I：

暂无

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

The paper deals with theoretical study of the viscoelastic phenomena in magnetic suspensions of fiber-like ferromagnetic particles. Formation of the particles in bulk net-like aggregates strongly elongated along the applied magnetic field is considered. Contact friction between the particles in the aggregates affects the aggregate dynamics in a shear flowing suspension. Finite time of the aggregate orientation change after the change in shear rate gives rise to a macroscopic viscoelastic phenomena. Estimates show that the mechanism of the aggregates reorientation induces viscoelastic effects with a characteristic relaxation time of 0.1-1 sec.

引用

页码：389 / 396

页数：8

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