EFFECTS OF TEMPERATURE ON CONDUCTION AND POLARIZATION IN PORTLAND-CEMENT MORTAR

被引：55

作者：

MCCARTER, WJ

机构：

[1] Department of Civil and Offshore Engineering, Heriot Watt University, Edinburgh

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 1995年 / 78卷 / 02期

关键词：

D O I：

10.1111/j.1151-2916.1995.tb08816.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The electrical impedance of Portland cement mortar was measured over the temperature range 10-80 degrees C. Both the real and imaginary components of the complex impedance were found to be temperature dependent and linked through an Arrhenius relationship over the range 10-50 degrees C. Both conduction and polarization processes are thermally activated with an activation energy of, respectively, 19.4 and 4.6 kJ/mol. At temperatures in excess of 50 degrees C, sample impedance was almost independent of temperature.

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页码：411 / 415

页数：5

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