The aramid honeycomb sandwich panel is composed of a panel, an aramid honeycomb core and an adhesive. The panel provides the axial bending and in-plane shear stiffness required by the component, mainly glass fiber, carbon fiber, aluminum and other materials. The aramid honeycomb core carries the load and transverse shear of the component from one panel to the other. Aramid honeycomb sandwich structure can effectively reduce the energy consumption and noise of high-speed trains. It is mainly used in the side panels, roof panels, seats, partitions, luggage racks and skylight panels of high-speed railway vehicles, used to reduce the weight of the train, improve the speed of the train. High-speed trains with speeds of more than 200 km/h require extensive use of aramid honeycomb materials, such as CRH-5 multiple units, standard multiple units, dynamic sleepers, new energy low-floor vehicles and other new models of China Changchun passenger car factory, under the demand for lightweight and comfort, aramid honeycomb structure is widely used in interior decoration design.
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