Coke powder as an admixture in cement for electromagnetic interference shielding

被引：85

作者：

Cao, JY ^{[1
]}

Chung, DDL ^{[1
]}

机构：

[1] SUNY Buffalo, Composite Mat Res Lab, Buffalo, NY 14260 USA

来源：

CARBON | 2003年 / 41卷 / 12期

关键词：

coke; electrical (electronic) properties;

D O I：

10.1016/S0008-6223(03)00289-6

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：

The effectiveness of coke powder as an admixture in cement, for electromagnetic interference shielding, was reported. Coke powder was found to be more effective than carbon filaments and less effective than steel fibers. Shielding effectiveness values of 45 and 49 dB were attained at 1.5 GHz using coke powder at 0.51 and 1.02 vol.% respectively. Addition of coke beyond 1.02 vol.% produced little further gain in the shielding effectiveness or electrical conductivity.

引用

页码：2433 / 2436

页数：4

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