A rheometer dedicated for the investigation of viscoelastic effects in commercial magnetic fluids

被引：52

作者：

Odenbach, S ^{[1
]}

Rylewicz, T ^{[1
]}

Heyen, M ^{[1
]}

机构：

[1] Univ Bremen, Ctr Appl Spacetechnol & Micrograv, D-28359 Bremen, Germany

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 1999年 / 201卷

关键词：

rheology; magnetic fluids; shear thinning;

D O I：

10.1016/S0304-8853(99)00109-2

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The investigation of viscoelastic properties of commercial ferrofluids based on nanosized magnetite particles in various carrier liquids requires a dedicated rheometer allowing the detection of extremely small changes in viscous and viscoelastic properties. The observation of magnetoviscoelastic behavior in commercial ferrofluids may become particularly important since they exhibit long-term stability allowing reproducibility of the experiments. In addition, they are of relatively simple composition reducing the problems in theoretical description of the observed effects. We will present here the design and main performance data of a rheometer developed far the kind of investigations mentioned above. The quality of the performance will be demonstrated with some new data on rheological properties of a commercial ferrofluid. (C) 1999 Elsevier Science B.V. All rights reserved.

引用

页码：155 / 158

页数：4

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