In addition to carbon fiber, which materials are also "lightweight weapons" for automobiles?

Long fiber reinforced thermoplastic composites (LFT) have the properties of light weight, high strength, strong impact heat resistance, corrosion resistance, excellent forming and processing performance, design and repeated recycling, green environmental protection, etc., and have high cost performance and comparative Low density shows good prospects in automotive lightweight applications.

Natural fiber composite materials are also increasingly appearing in the public eye. Taking the Volkswagen XL1 as an example, its interior parts, including ventilation ducts, are all made of wood fiber. Comparing it with the Volkswagen Polo, after using wood fiber, the weight has changed from 184 kg to 80 kg, a weight reduction of about 57%. In addition to Volkswagen XL1, BMW, Audi, Mercedes-Benz and many other models also use this material on door panels, inlay panels, seat backs, instrument panels, ABC pillars, trunk lids and other components.

Summary: Faced with the continuous improvement of energy saving and emission reduction requirements, the demand for lightweight vehicles will also become higher and higher. However, whether carbon fiber can become the best choice for lightweight is still unclear. I think carbon fiber is just the "seasoning" rather than the "staple food" of the lightweight "car feast"! Whether carbon fiber can be the best choice for lightweighting is, in the final analysis, an economic account.