MODEL FOR RHEOLOGY OF HALLOYSITE SUSPENSIONS

被引：5

作者：

KENT, RC

GORDON, RS

HAHN, SJ

机构：

[1] Departments of Ceramic Engineering and Chemistry, University of Utah, Salt Lake, Utah

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1968年 / 51卷 / 05期

关键词：

D O I：

10.1111/j.1151-2916.1968.tb13855.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 [材料科学与工程]; 080502 [材料学];

摘要：

A quantitative rheological model was developed for predicting the non‐Newtonian flow behavior of aqueous halloysite suspensions. Halloysite clay from the large Utah deposits was used for this investigation because of its unique tubular morphology. The flow behavior of the suspensions was characterized by the semi empirical Ree‐Eyring generalized viscosity equation. The β parameter in the Ree‐Eyring equation, a measure of the relaxation time for the flow process, was very sensitive to variations in the pH and volume fraction solids. When the logarithm of 0 was plotted versus pH (4 to 11) for halloysite suspensions containing 15, 20, and 25 wt% solids, linear plots with increasing slopes were obtained. Attempts were made to show the physical significance of the parameters introduced in the model. Copyright © 1968, Wiley Blackwell. All rights reserved

引用

页码：269 / &

共 23 条

[1]

BATES TF, 1959, 6TH P NAT C CLAYS CL, P237

[2]

AUTOMATIC ROTATIONAL VISCOMETER AND HIGH-PRESSURE APPARATUS FOR STUDY OF NON-NEWTONIAN BEHAVIOR OF MATERIALS [J].