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What is carbon fiber?

文章标签:carbon fiber, a carbon fiber material

Carbon fiber (carbon fiber, referred to as CF), a carbon content of 95% or more of the high strength, high modulus fiber materials of new fibers. It is made of organic fiber flake graphite crystallites along the fiber axis direction from a pile, microcrystalline graphite materials by carbonization and graphitization obtained. Carbon fiber "in a velvet glove", quality aluminum lighter than metal, but the strength is higher than steel, and corrosion resistant, high modulus characteristics, defense and military and civilian aspects are important materials. It not only has inherent intrinsic properties of carbon materials, both soft and workability of textile fibers, a new generation of reinforcing fibers.

Carbon fiber has many excellent properties, axial strength and high modulus carbon fiber, low-density, high-performance ratio, no creep, under a non-oxidizing environment, ultra-high temperature resistance, good fatigue resistance, electrical conductivity and specific heat between the non-metallic and between the metal, and has a low coefficient of thermal expansion anisotropy, good corrosion resistance, X-ray transmission is good. Good thermal conductivity properties, electromagnetic shielding and good.

Carbon fiber compared to traditional glass fiber, its Young's modulus is more than three times; it is compared with Kevlar fiber, its Young's modulus is about 2 times, in an organic solvent, acid, alkali insoluble and swelling, outstanding corrosion resistance.