Carbon fiber products have a wide range of applications
Carbon fibers can be carbonized using polyacrylonitrile fibers, asphalt fibers, viscose fibers, or phenolic fibers, respectively;Classified by state into filament, short fiber, and chopped fiber; According to mechanical properties, it is divided into general-purpose and high-performance types. The universal carbon fiber has a strength of 1000 megapascals (MPa) and a modulus of around 100 GPa.High performance carbon fibers are further divided into high-strength types (strength 2000MPa, modulus 250GPa) and high modulus types (modulus above 300GPa). Those with a strength greater than 4000MPa are also known as ultra-high strength types; Composite wires with a core modulus greater than 450GPa are called ultra-high models.With the development of aerospace and aviation industries, high-strength and high elongation carbon fibers have also emerged, with an elongation rate greater than 2%. The largest amount is polyacrylonitrile PAN based carbon fiber.
Carbon fiber products are a new material with excellent mechanical properties, with a specific gravity of less than 1/4 of steel. The tensile strength of carbon fiber resin composite materials is generally above 3500Mpa, which is 7-9 times that of steel. The tensile elastic modulus is also higher than that of steel, with a range of 230-430Gpa.
Carbon fiber can be processed into fabrics, felt, mats, belts, paper, and other materials. Carbon fiber, apart from being used as insulation material, is generally not used alone. It is often added as a reinforcing material to materials such as resins, metals, ceramics, and concrete to form composite materials. Carbon fiber reinforced composite materials can be used as aircraft structural materials, electromagnetic shielding materials, artificial ligaments and other body substitute materials, as well as for manufacturing rocket casings, motor ships, industrial robots, automotive leaf springs and drive shafts.
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