Basic characteristics and application of aluminum honeycomb panel

aluminum honeycomb panel作为重要的轻量化材料广泛应用于航空制造业，在国外的铁道车辆上也早有应用，其用途相当广泛，如法国TGVSeries, ItalyETRSeries of high-speed trains. Domestic only in recent years began to use aluminum honeycomb panels, although achieved certain results, its application is still very limited, the characteristics of honeycomb sandwich materials and the scope of application of understanding to be further strengthened and expanded.

Aluminum honeycomb panel is a composite material bonded by aluminum honeycomb core material and surface material. In summary, aluminum honeycomb panel has the following basic characteristics:

(1)Light weight, high specific strength, especially high bending stiffness, the same quality of aluminum honeycomb panel bending stiffness of about aluminum alloy5Times.

(2)It has extremely high surface flatness and high temperature stability, easy to form and not easy to deform. Aluminum honeycomb panels can not only be made into flat panels, but also can be made into hyperbolic and single panels, which are easy to disassemble and assemble after being made into vehicle parts.

(3)Excellent corrosion resistance, insulation and environmental adaptability, can adapt to the railway EMU and passenger car a variety of harsh operating environment;In addition, according to the need, this kind of plate can be used surface paint or surface paste fireproof board treatment, to achieve good decorative, fire resistance.

(4)Unique resilience, can absorb vibration energy, with good sound insulation and noise reduction effect.

(5)High fire rating, meet international intermodal fire protection standardsUIC564-2-199lRegulations on fire prevention and fire fighting for railway passenger cars or similar vehicles for international intermodal transportAlevel requirements.

(6)The smoke density after fire meets the high-grade international railway fire protection standards and has good self-extinguishing properties.;The heat release value is low, can form a refractory layer, can reduce the release of smoke and toxic gases, has excellent environmental performance.

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