Thixotropy

被引：902

作者：

Mewis, Jan ^{[1
]}

Wagner, Norman J. ^{[2
]}

机构：

[1] Katholieke Univ Leuven, Dept Chem Engn, B-3001 Heverlee, Belgium

[2] Univ Delaware, Dept Chem Engn, Ctr Mol & Engn Thermodynam, Newark, DE 19716 USA

来源：

ADVANCES IN COLLOID AND INTERFACE SCIENCE | 2009年 / 147-48卷

关键词：

Rheology; Thixotropy; Suspension; Microstructure; Model; RHEOLOGICAL PROPERTIES; PARTICLE-SIZE; YIELD-STRESS; SHEAR-FLOW; START-UP; MICROSTRUCTURAL EVOLUTION; ANTITHIXOTROPIC BEHAVIOR; CONCENTRATED DISPERSIONS; MECHANICAL SPECTROSCOPY; COLLOIDAL SUSPENSIONS;

D O I：

10.1016/j.cis.2008.09.005

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Flow can induce reversible and irreversible structural changes in dispersions. The analysis of flow effects on microstructure and theology remains one of the challenging problems in colloid science. The rheological manifestation of flow-induced structural changes is a variable viscosity. If the changes are reversible and time dependent. the effect is called thixotropy. The basic elements of this concept are reviewed here, including its definition and the relation with nonlinear viscoelasticity. The omnipresence of thixotropy is illustrated with a wide range of examples from natural and manmade colloidal systems. Its various theological manifestations are reviewed as well as possible measurement procedures. The microstructural changes due to flow are quite complex and not fully understood. Existing models for thixotropic suspension theology are categorized and evaluated. (C) 2008 Elsevier B.V. All rights reserved

引用

页码：214 / 227

页数：14

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