Metal honeycomb material used in aerospace and aircraft separation layer, and preparation method thereof

Abstract

The present invention discloses a metal honeycomb material used in an aerospace and aircraft separation layer, and a preparation method thereof. The metal honeycomb material comprises an upper panel, a lower panel and a metal honeycomb interlayer. The preparation method comprises: material prefabrication, explosion welding, stress annealing, stretch forming and other steps. According to the present invention, the internal of the prepared metal honeycomb does not contain brazing fluxes and other impurities, the bond strength is high, and the material is a novel aerospace material.

Description

technical field

[0001] The invention relates to a metal honeycomb material used in the isolation layer of aviation and aerospace vehicles and a preparation method thereof, belonging to the field of aerospace high-performance composite materials. Background technique

[0002] Metal honeycomb is a new type of functional composite material with metal skeleton and honeycomb holes (very similar in shape to bee's nest). It is named for its internal structure containing many honeycomb through holes. This material has unique properties: excellent impact resistance, heat resistance and corrosion resistance, electrical conductivity, heat conduction, heat insulation, sound insulation, energy storage, energy absorption and shock absorption, electromagnetic shielding, etc. In recent years, metal honeycomb has been researched, developed and applied in many aspects. Applications have been involved in aerospace, transportation, military industry, electronics, environmental protection, ene...

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