Lightweight composite automobile body plate for automobile impact buffering and energy absorption

Abstract

The invention discloses a lightweight composite automobile body plate for automobile impact buffering and energy absorption, and belongs to the technical field of automobile body plates. The lightweight composite automobile body plate comprises layered fiber reinforced composite materials on the two sides and a corrugated metal component arranged in the center, and the layered fiber reinforced composite materials on the two sides are connected with the corrugated metal component in the center through an adhesive or a fastener. According to the lightweight composite vehicle body plate disclosed by the invention, the defects of brittle fracture of a traditional fiber reinforced composite material and overlarge plastic deformation of a traditional metal plate are overcome; when being impacted, the lightweight composite vehicle body plate is not easy to deform; the synergistic plastic deformation energy absorption capacity of the layered fiber reinforced composite materials on the two sides and the corrugated metal component in the center can be utilized to a greater extent, and the lightweight composite automobile body plate has more advantages than an aluminum honeycomb structure in vehicle body board application, so that the lightweight composite automobile body plate has better physical properties such as buffering, shock absorption and energy absorption than a traditional groove-shaped corrugated board.

Description

technical field [0001] The invention belongs to the technical field of body panels, and relates to a lightweight composite body panel used for impact buffering and energy absorption of automobiles. Background technique [0002] With the vigorous development of the economy, the number of national car ownership is increasing day by day. While cars bring convenience to people, they consume a lot of non-renewable resources and produce harmful gases that pollute the environment. Automobile lightweight is not only the only way to deal with energy crisis and environmental pollution, but also helps to improve automobile comfort, power and operational stability. The commonly used material for automobiles is steel. The all-steel body has the disadvantages of high mass, high fuel consumption, and large emissions, which does not meet the current demand for lightweight. The use of lightweight materials is the most effective measure to achieve lightweight vehicles. Among them, aluminum ...

AI Technical Summary

Problems solved by technology

[0006] The technical problem solved by the invention is that in the existing automobile body panels, the brittle failure of the fiber reinforced composite material leads to the disintegration of the vehicle when it is impacted; Hazardous to the life and health of the occupants; while the preparation process of the component structure of the curved folded body is complicated, requiring the combination of multiple curved folded bodies, the structural stability is poor, and the efficiency of impact cushioning and energy absorption is low

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