Carbon Fiber Equipment: Research and development trends in the carbon fiber equipment industry?

Publication Time:

2022-11-01 16:36

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Carbon Fiber Industry Chain: High-Performance Fibers, Multiple Product Types Composite materials are a concept of single materials (metals, inorganic non-metallic and organic polymer materials), and a material is made to make up for the defects of single materials. A typical composite material is a fiber-reinforced resin matrix composite material. The high-performance fiber-reinforced body largely determines the mechanical properties of this composite material and is the core of composite material manufacturing. So carbon fiber equipment: Research and development trends in the carbon fiber equipment industry?

Carbon fiber equipment: Research and development trends in the carbon fiber equipment industry?

Carbon fiber industry chain: High-performance fibers, various types of composite materials are a concept of single materials (metals, inorganic non-metals and organic polymer materials), and a material is made to make up for the defects of single materials. A typical composite material is a fiber-reinforced resin matrix composite material. The high-performance fiber-reinforced body largely determines the mechanical properties of this composite material and is the core of composite material manufacturing. So carbon fiber equipment: Research and development trends in the carbon fiber equipment industry?

Carbon fiber equipment: Research and development trends in the carbon fiber equipment industry?

1. Carbon fiber is a high-performance fiber. It is a micro-scale material obtained by carbonization and graphitization of organic fibers. The entire carbon fiber industry chain includes raw material extraction, original wire manufacturing, carbon fiber manufacturing, carbon fiber composite materials, etc. First, upstream enterprises in the upstream of the industrial chain are primarily from petroleum, coal, coal, coal, coal, coal, and natural gas, and obtain acrylic acid after ammonia oxidation.

2. Then, the middle and lower coverings of the industrial chain are obtained through oxidation and low and high temperature carbonization. Carbon fiber can be made into carbon fiber fabrics and carbon fiber prepreg; carbon fiber or fabric is used in combination with resins, ceramics and other materials to form carbon fiber composite materials. The forming process is the product required for downstream applications.

3. An important type of carbon fiber composite material is carbon fiber resin-reinforced composite material (CFRP), whose output value accounts for about 80% of all CFRPs. The molding process of CFRP and other resin-based composite materials is not much different. It is mainly divided into two categories: under certain temperature and pressure, a prepreg is produced by a pressure box or other touch before forming. Another type does not need to produce a prepreg, mixing carbon sauce (or fabric) and resin in a certain mold, including RTM, pultrusion and winding molding processes.

4. The costs and uses of various processes are different, but in general, it has high requirements for equipment investment and close connection with downstream applications.

There are many carbon fiber products, mainly classified by three types of standards: Raw material standards: Divided into polyacrylonitrile (PAN) based carbon fiber, pitch-based carbon fiber, and binder-based carbon fiber. The latter two are difficult to produce, so the mainstream is currently PAN-based carbon fiber; (Silk number (tow) standard: A bundle of carbon fiber has multiple fiber windings, including 1K, 3K, 6K, 12K, 24K, 48K, etc. Different tow bundles have different difficulty and cost; Performance standards: Mechanical stability is the main standard for evaluating bearing materials. It is usually measured by tensile strength (which can be understood as bearing capacity) and tensile modulus (which can be understood as rigidity).

5. Higher. Based on this, carbon fiber can be divided into four categories: high strength, high strength medium modulus, high modulus (fewer applications), and high strength and high modulus. Different types of carbon fiber have different applications. According to the application, carbon fiber can be divided into three categories: aerospace beams: refined requirements, currently only 3K and 12K small tow products are used in aerospace. Larger than civilian quality, but higher quality; civil/industrial small tow beams: The larger the tow beam, the lower the cost, but the lower the performance (following the explanation). Covering the largest field and scale in various industries; civil/industrial large tow beams: Carbon fiber with more than 48K tow, the lowest cost, performance only covers T300-T700 level, mainly used in wind energy, automobiles and other industries that require high cost, automobiles and other industries. Site.

6. In addition, due to Dongli's priority position in the industry, although different companies have different naming methods for products with different performances, the industry corresponds to Dongli's product naming method, that is, the T series corresponds to high-strength and high-modulus products, and the MXXJ series corresponds to high-strength high-modulus products. This article also uses this method to explain this method.

7. Historical recovery: Emerging applications continue to emerge, and current cost optimization is a good manifestation of contradictions, growth comes from the penetration and expansion of downstream industries. CFRP is essentially an emerging thing, and growth represents the replacement of old materials. From the perspective of performance, carbon fiber and CFRP have good performance, which is the direct driving force for its growth.

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