sandwich panel structural composites have been widely used, especially in
aerospace field, because of their high specific strength, good impact
resistance, vibration reduction, microwave transmission and good designability.
Honeycomb sandwich structure has become one of the indispensable structural
materials in this field because of its superior performance. Most of the early
composite cores of honeycomb sandwich structure are metal cores. Subsequently,
honeycomb core materials such as paper honeycomb sandwich composites and fiber
reinforced resin honeycombs appeared.
present, honeycomb sandwich panel composites are mainly composed of aluminum
honeycomb sandwich structure composites, Nomex paper honeycomb sandwich
structure composites, FRP sandwich structure composites and cotton honeycomb
sandwich structure composites. Among them, FRP sandwich structure composites
have been widely studied and applied. Researchers have studied the mechanics,
sound insulation, heat insulation and impact resistance of FRP sandwich
structure composites in depth. The properties of honeycomb sandwich composites
are mainly determined by the properties of skin and honeycomb core materials. These
properties mainly include the thickness and material of skin, the height,
material, density, hole size and shape of honeycomb core. Honeycomb sandwich
composites have broad application prospects. Especially with the application of
honeycomb sandwich panel composites in fighter aircraft, helicopter, satellite,
rowing and other fields, the study of its various properties becomes more and
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