University of Surrey and Hopkins University team up to create 3D fabric composites

According to foreign media reports, the University of Surrey and the Hopkins University in the United States have jointly produced a new material that can be used in future automotive manufacturing. The new material withstands intense vibrations and has excellent noise suppression (sound dampening).

Researchers a multilayer 3D weaving art composite textile structure (3D woven technical textile composites) as a fiber material, layers of material such that the arrangement of the intermediate layer woven structure activity, while the outer layers of material remains rigid so that Good shock absorption can be achieved even in the case of high rigidity.

Such material properties are rare in conventional materials because the increase in rigidity means that the mobility of the internal particles is reduced, resulting in a weakening of the damping effect. Conversely, while ensuring shock absorption, rigidity is weakened. This is why many metals have high rigidity but poor damping, and the foam has good shock absorption but low rigidity.

Undoubtedly, the researchers' new inventions have left a deep impression on the manufacture of many products, especially those that require both rigidity and shock absorption.

Imagine replacing traditional steel and aluminum with new materials when manufacturing body sheet metal parts. The interior of the cockpit will be quieter when the vehicle is running. Today, car companies have adopted a large number of soundproofing materials to ensure passengers are protected from noise and vibration.

However, this requires sacrificing the overall performance and fuel economy of the vehicle. The introduction of soundproofing materials not only affects the performance of the vehicle, but also reduces the space inside the vehicle. However, if a 3D woven textile composite material is used, not only can the vehicle's weight reduction goal be achieved, but also the interior space can be improved. In addition, the material is promising, mainly due to its high temperature resistance.

In the research paper, "In addition to shock absorption and 13 other mechanical properties, the 3D textile structural material also exhibits fluidic permeability, thermal transport and high temperature resistance. Can provide multiple functions for future research."