ICENS - International Conference on Engineering and Natural Sciences, Skopje, Makedonya, 15 - 19 Mayıs 2015, ss.310
Purpose: Carbon fiber is a material consisting of fibers about 5–10 μm in diameter and composed mostly of carbon atoms. Some properties of carbon fiber are high stiffness, high tensile strength, low weight, high chemical resistance, high temperature tolerance and low thermal expansion; these properties makes it very popular in aerospace, civil engineering, military, and motorsports, along with other competition sports. However, they are relatively expensive when compared to similar fibers, such as glass fiber or plastic fiber. Carbon fibers are usually combined with other materials to form a composite. When combined with a polymer resin it forms carbon fiber reinforced polymer which has a very high strength-to-weight ratio and is extremely rigid although somewhat brittle.
Aramid fibers are a class of heat-resistant and strong synthetic fibers. They are used in aerospace and military applications, for ballistic rated body armour fabric and ballistic composites, in bicycle tires, and as an asbestos substitute. They are fibers in which the chain molecules are highly oriented along the fiber axis, so the strength of the chemical bond can be exploited.
The main purpose of this study is to use aramid and carbon fibers in three dimensions structure to achieve a more durable composite material. Features of Aramid and Carbon fibers will be combined due to mixing of them together. In addition to these, the strength of the plain weave will be increased because of the three-dimensional fabric features.
Material and Methods: In this study, aramid and carbon fibers, plain weave type were woven in three dimensions. The matrix resin along with aramid and carbon textile fabrics for reinforcing composite materials were produced. The mechanical properties of the obtained sample were examined. The mechanical tests of which tensile strength, izod impact and three-point bending were applied.
Conclusions and Recommendations: The result of the mechanical tests of the composite materials obtained from three-dimensional woven hybrid fibers showed that the mechanical properties of composite materials of the three-dimensional weave were increased.