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Carbon fiber materials are increasingly being used in the automotive industry, particularly for manufacturing lightweight, high-strength components such as automobile bumpers. These materials offer significant advantages over traditional metal bumpers, such as reduced weight, enhanced energy absorption, and improved impact resistance, making them ideal for automotive applications.
Carbon fiber bumpers are usually made by hand-laying. This is because the properties of carbon fiber will change depending on its fiber orientation. When applied to car bumpers, it needs to have good energy absorption, especially in different directions. When laying carbon fiber prepreg, it is necessary to choose the appropriate angle and number of layers to ensure that the carbon fiber car bumper has sufficient strength, rigidity and stability. 0°, ±45° and 90° are more commonly used angles. First determine the number of layers to be laid, and then decide the laying angle.
- Composite sheets of carbon fiber and thermoplastic resins (such as polypropylene, polyethylene or polyamide) are formed into the desired shape under pressure for mass production, which greatly reduces the manufacturing cost compared to producing metal bumpers.
- The stiffness and strength of carbon fiber materials are higher than those of steel. After a severe collision, the carbon fiber bumper will deform less, absorb more kinetic energy, and be safer.
- The energy absorption effect of the bumper is directly proportional to the thickness of the carbon fiber, but the bumper cannot be made very thick because the maximum deformation of the bumper will decrease as the thickness increases.
As a high-performance composite sheet manufacturer in China, TOPOLOGROUP provides carbon fiber reinforced thermoplastic unidirectional tapes in a variety of resins (polypropylene, PE (polyethylene), PA (polyamide), PEI (polyetherimide), PC (polycarbonate), etc.), which are widely used in the automotive manufacturing industry.
