Influence of Water Content on Conductivity and Piezoresistivity of Cement-based Material with both Carbon Fiber and Carbon Black

被引：0
|
作者：
韩宝国 [1 ]
欧进萍 [1 ,2 ]
机构：
[1] School of Civil Engineering,Harbin Institute of Technology
[2] School of Civil and Hydraulic Engineering,Dalian University of Technology
来源：
Journal of Wuhan University of Technology(Materials Science) | 2010年 / 01期
基金：
中国国家自然科学基金;
关键词：
cement-based material; carbon fiber; carbon black; water content; conductivity; piezoresistivity;
D O I：
暂无
中图分类号：
TU52 [非金属材料];
学科分类号：
0805 ; 080502 ; 081304 ;
摘要：
The influence of water content on the conductivity and piezoresistivity of cement-based material with carbon fiber (CF) and carbon black (CB) was investigated. The piezoresistivity of cement-based material with both CF and CB was compared with that of cement-based material with CF only, and the changes in electrical resistivity of cement-based material with both CF and CB under static and loading conditions in different drying and soaking time were studied. It is found that the piezoresistivity of cement-based material with both CF and CB has better repeatability and linearity than that of cement-based material with CF only. The conductivity and the sensitivity of piezoresistive cement-based material with both CF and CB are enhanced as the water content in piezoresistive cement-based material increases.
引用
收藏
页码：147 / 151
页数：5
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