|本期目录/Table of Contents|

[1]刘荣桂,许兆辉,黄俊捷,等.碳粉掺量对碳纤维筋材力阻效应的影响[J].建筑科学与工程学报,2016,33(05):29-34.
　LIU Rong-gui,XU Zhao-hui,HUANG Jun-jie,et al.Effect of Carbon Powder Dosage on CFRP Tendon Piezoresistivity[J].Journal of Architecture and Civil Engineering,2016,33(05):29-34.
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
33卷
期数:
2016年05期
页码:
29-34
栏目:
出版日期:
2016-09-30

文章信息/Info

Title:
Effect of Carbon Powder Dosage on CFRP Tendon Piezoresistivity
作者:
刘荣桂，许兆辉，黄俊捷，丁 勇，梁 戈
江苏大学土木工程与力学学院
Author(s):
LIU Rong-gui，XU Zhao-hui，HUANG Jun-jie，DING Yong，LIANG Ge
Faculty of Civil Engineering and Mechanics， Jiangsu University
关键词:
CFRP; 碳粉; 力阻效应; 电阻; 灵敏度
Keywords:
CFRP;  carbon powder;  piezoresistivity;  resistance;  sensitivity
分类号:
-
DOI:
-
文献标志码:
A
摘要:
为研究不同碳粉掺量改性基体对碳纤维增强复合材料（CFRP）筋力阻效应的影响，制作了碳粉掺量（质量分数）分别为0%，2%，4%，6%，8%的5组碳粉改性CFRP筋材，通过轴向拉伸试验研究其电阻应变行为。结果表明：碳粉会降低碳纤维筋材的电阻，碳粉改性CFRP筋材在低应力水平阶段的电阻变化率-应变关系线性较好，线性判定系数在0.92以上，灵敏度值在20~30之间；极限应变为3%~5%，最大电阻变化率为35%~60%；在低应力水平阶段，碳粉掺量对灵敏度值影响较小。
Abstract:
In order to study the effect of carbon powder dosage on carbon fiber reinforced polymer (CFRP) tendon piezoresistivity, five groups of CFRP tendons with different carbon powder dosage(0%, 2%, 4%, 6%, 8%)were produced, and the resistancestrain behavior was studied through axial tensile test. The results show that carbon powder reduces the initial CFRP tendon resistance, CFRP tendon has good linear relationship between resistance change rate and strain at low stress level, the linear correlation coefficient is above 0.92, the sensitivity value is 20 to 30. The ultimate strain of CFRP tendon is 3% to 5%, the maximum resistance rate is 35% to 60%. The effect of carbon powder dosage on CFRP tendon sensitivity is less at low stress level.

参考文献/References:

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备注/Memo

备注/Memo:
更新日期/Last Update: 2016-09-30