Processing characteristics of carbon fiber tube
2018-06-19
Summary
Carbon fiber tube, also known as carbon tube, is a tubular product made of carbon fiber and resin. The commonly used production methods are carbon fiber prepreg roll, carbon fiber wire pultrusion, winding and other methods. In the production process, different types of carbon fiber tubes of different sizes can be produced according to the adjustment of the mold. In the production process, the surface of the carbon fiber tube can be beautified. At present, the surface of the carbon fiber tube is 3k matte plain weave, matte twill, bright plain weave, bright twill and other forms. What is the specific performance of carbon fiber tube? Let's give you a brief introduction.
What are the characteristics of carbon fiber tubes?
Carbon fiber tube is the main material for carbon fiber, carbon fiber tensile strength, soft and easy processing, especially excellent mechanical properties. Carbon fiber has high tensile strength and light weight. Compared with other high-performance fibers, the specific strength and specific modulus of carbon fiber are the highest. Carbon fiber as a reinforcing material and resin matrix composite is the best in terms of comprehensive indicators such as specific strength and specific modulus.
The specific strength of carbon fiber resin composite materials, that is, the ratio of the strength of the material to its density, can reach more than 2000MPa, and the commonly used low carbon steel is only 59MPa, and its specific modulus is also higher than that of steel. Therefore, in general, carbon fiber tube has the advantages of high strength, wear resistance, acid and alkali resistance, and light weight. In addition, the product has a series of excellent properties such as stable size, electrical conductivity, thermal conductivity, small thermal expansion coefficient, self-lubrication and energy absorption and shock resistance. It has many advantages such as high specific modulus, fatigue resistance, creep resistance, high temperature resistance, corrosion resistance, wear resistance and so on.
Specification of carbon fiber tubing
Carbon fiber tubes generally have square tubes, round tubes, special-shaped tubes and other forms. Processing methods are rolling, pultrusion, winding, the surface can be divided into plain, twill, pure black, but also can be processed into matte and light two forms. Commonly used carbon fiber tube diameter between 5 to 120mm, the longest can do 10 meters, the thickness of the general early 0.5 to 5mm.
The product quality of carbon fiber tube is greatly affected by the porosity of the processing, and the void has a great influence on the shear strength, bending strength and bending modulus of the interlaminar shear strength, the tensile strength decreases relatively slowly with the increase of porosity, and the tensile modulus is less affected by the porosity.
Application areas of carbon fiber tube:
1. Using its light and strong and light and hard mechanical properties, it is widely used in structural materials such as aviation, aerospace, construction, machinery and equipment, military industry, sports and leisure.
2. Using its corrosion resistance, heat resistance, good verticality (0.2mm) and high mechanical strength, the product is suitable for the transmission shaft of circuit board printing equipment.
3, the use of its fatigue resistance, applied to the helicopter blades; the use of its vibration attenuation, applied to audio equipment.
4, the use of its high strength, anti-aging, anti-ultraviolet, good mechanical properties, suitable for tents, building materials, mosquito nets, lifting rods, bags, bags, advertising display, umbrellas, sails, fitness equipment, arrows, clubs, golf practice net, flagpole switch latch, water sports equipment, etc.
5, the use of its light, good toughness characteristics, so that the product is suitable for kites, flying saucers, bow back, electric aircraft, and all kinds of toys.
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