Future car parts will be made of glass fiber
2024-02-03
Chongqing Morning News (Reporter Luo Xuemei intern Wang Can) Yesterday, the reporter learned from the Municipal Science and Technology Commission that the "R & D and industrialization of glass fiber for wind power equipment/engineering plastics" project passed the acceptance. In the next 5-10 years, many parts of the car will be made of glass fiber reinforced materials to replace steel. The weight of the body will be reduced by 2/3, and fuel consumption will be greatly reduced. It is understood that Chongqing International Composite Materials Co., Ltd. is mainly responsible for the project, and has developed relevant core technologies and has applied for invention patents.
Automobile functions and structural parts include: engine components, heater and air conditioning components, fuel tank and fuel pipe components, lighting systems, gear signs, heater control panels, control knobs and light guide blocks, etc., which must meet special functions.
Engineering plastics and their alloys have been widely used in various functional parts of automobiles abroad. Nylon is mainly used in automobile engines and engine peripheral parts. Modified polyoxymethylene (POM) is generally used in the manufacture of shaft sleeves, gears, sliders and other wear-resistant parts. Modified polyphenylene oxide (PPO) is mainly used in automobiles for parts with high requirements for heat resistance, flame retardancy, electrical properties, impact properties, dimensional stability, and mechanical strength. Automotive lighting system components mainly include window glass, windshield, lights, etc., which are basically plastic, and the main materials used are PC or PMMA. The fuel tank has a single-layer or multi-layer composite structure, cold resistance, heat resistance, creep resistance, stress cracking resistance, atmospheric aging resistance, solvent resistance, chemical corrosion resistance, etc. to meet the impact resistance, anti-leakage, flame retardant, explosion-proof, etc. Higher requirements.
German BMW Motor Company uses nylon intake manifold, the material is 30 ~ 35% glass fiber reinforced nylon 6 or nylon 66, compared with aluminum alloy, plastic intake manifold can reduce the weight of about 40%, the production cost is reduced by 20 ~ 30%, and the cost can be further reduced through component integration. Germany Bayer, BASF, the United States DuPont, Rhodia introduced laser weldable nylon, injection molding, assembled by laser welding.
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