EFFECT OF SURFACE MODIFICATION ON STRAIN-SENSING ABILITY OF CARBON NANOFIBERS COMPOSITE SENSORS

摘要：

Acidification (vitriol/nitric acid) and γ-ray irradiation technology were applied tothe surface treatment of carbon nanofibers (CNFs).The surface shapes of treated anduntreated CNFs were characterized by field emission scanning electron microscopy,also the functional groups on the surface of CNFs were investigated by X-rayphotoelectron spectroscopy.By the means of ultra-sonication,the CNFs/epoxycomposite strain sensors were prepared in the lab,and the strain response andsensitivity were tested.The experimental results showed that the stability andrepeatability of composite sensors upon cyclic loadings were improved,because themodification of CNFs improved the dispersion of CNFs in the polymer andincreased the interfacial bonding between CNFs and polymer matrix.

关键词： carbon nanofibers strain sensor acidification γ-ray irradiation

作者: Qilin Mei Sha Xu Jihui Wang Zhixiong Huang

作者单位: School of Material Science and Engineering,Wuhan University of Technology,Wuhan,Hubei 430070,P.R.China

会议类型: 国际会议

会议名称: 第二届国际非均质材料力学会议(The Second International Conference on Heterogeneous Material Mechanics)

会议地点: 安徽黄山

会议语种:英文

页码: 517-521

在线出版日期: 2008-06-03（万方平台首次上网日期，不代表论文的发表时间）