Effects of Different Surface Modification to the Carbon Fiber Electro-Mechanical Response

Abstract

The interface properties of carbon fiber(CF) within the composite material has a great effect to its functional characteristics. The work is focused on the research of CF electro-mechanical response after its surface modification using acetone and nitric acid oxidation. With characterization by XPS and SEM, there exist the various changes on the CF surface not only the chemical elements or chemical groups. With changing CF’s resistance under uniaxial tension, the CF has differerent electro-mechanical response to loading force. Through statistical analysis, the research shows the sensibility of CF to the electro-mechanical effect can be improved by the surface modification with acetone process or nitric acid oxidization.

Spectroscopic analysis of chemically modified carbon fibres

“…acid. [11][12][13][14][15][16][17] Indeed, the literature on the effect of different chemicals on the morphological and structural characteristics of CF still demand further studies.…”

“…A particular chemical treatment depends on five primary factors: agent, concentration, pressure, temperature, and treatment time. [11][12][13][14][15][16] The ratio between mass of fibres and the amount of treating solution is also important. Variation in one of these parameters may result in a different outcome.…”

“…Variation in one of these parameters may result in a different outcome. The literature shows several studies considering the treatment time, [11][12][13][14][15][16] but few discuss the influence of the temperature or their combination, which was addressed in this paper. Indeed, the treatment of CFs is still a topic of research interest since their use has been continuously expanding to a variety of applications, where they are combined with different materials, such as thermoplastics, 13 metal/fibre hybrids, 11 and nanostructured interfaces.…”