Honeycomb aluminum plate structural material industry

Industry Overview Honeycomb aluminum plate structure is a special type of composite material. Because this light structural material has the characteristics of optimal specific strength, specific stiffness, maximum fatigue resistance and smooth surface, it has been widely used in China\'s aerospace field. The honeycomb aluminum sheet structure is essentially a composite material composed of 3 basic materials, which provides the possibility of changing the parameters to meet the design specifications. At present, the most commonly used in model tasks are aluminum panel-aluminum honeycomb sandwich structure, carbon fiber panel-aluminum honeycomb sandwich structure, glass fiber reinforced plastic panel-glass fiber reinforced plastic honeycomb sandwich structure, etc., which are characterized by complex structure, high dimensional accuracy requirements, many process contents and long development cycle.

Its light weight and high strength characteristics are prone to various damages in the process of development, testing, assembly and handling.

Inspired by the honeycomb, the resistance of the honeycomb aluminum plate structure to extrusion force is much higher than that of any round or square. The world\'s first new honeycomb plate was jointly produced by Posco and HanlimE & C company, and the honeycomb structure material began to be available. In the 1950 s and 1960 s, high-performance cellular Products have entered a mature stage and are widely used in aviation and aerospace fields. For example, the fairing of Hercules 3 carrier rocket in the United States adopts carbon epoxy panel and aluminum honeycomb structure, Arian 5 carrier rocket adopts a sandwich structure of carbon fiber reinforced plastic panel and aluminum honeycomb core, and the end cap of the fairing of H-2 carrier rocket in Japan is an integrally formed part made of aluminum alloy, and both cone section and cylinder section adopt aluminum alloy honeycomb sandwich structure. In addition to aerospace applications, honeycomb aluminum plates are also widely used in railway trains, such as STA21 cars made in Japan, and brazed honeycomb aluminum plates are applied to their side walls and roof parts.

Compared with foreign countries, China is in a relatively backward position in the research and use of honeycomb structure composite materials.

China began to produce metal honeycomb aluminum plates in the 1960 s, but the production process is backward and the specifications are single. With the continuous development of research and technology in the field of honeycomb structure composite materials industry, the application of light steel structure in industrial and civil buildings has led to the development of multi-functional new composite plates. Honeycomb structure composite material has the advantages of light weight, high strength, high flatness of the plate, convenient and quick installation, large surface plate, simple installation, easy maintenance, good environmental protection, reusable, excellent thermal expansion and contraction resistance, etc. In recent years, the development of aluminum honeycomb panel and stone honeycomb panel is particularly rapid, and has made great progress, and in the building exterior wall, roof decoration, indoor ceiling, wall decoration, advertising card production, commercial oil tanker, private yacht decoration, national aerospace industry, exhibition booth design, commercial buses, private saloon cars, trains, subways, high-speed rail, buses and other public transport fields have been widely used.

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