Research Progress of Composite Materials for Honeycomb Sandwich Structure

Posted by Allen Wang on July 4th, 2019

Honeycomb 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.

At present, honeycomb sandwich panel cleanroom glass 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 more important.

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