Porous Aluminium Foam

 News     |      2020-07-17 15:51
Porous Aluminium Foam is a kind of compounded by aluminum or aluminum alloy matrix and the porosity of new lightweight functional integration - structure material, this kind of its special structure determines its light weight, high porosity, high specific surface area, etc, which won many dense metal do not have good qualities, such as strong energy absorption resistance, impact resistance, high strength, electromagnetic shielding, sound absorption performance, high damping resistance, low thermal conductivity and low electrical conductivity, etc.The properties of aluminum foam mainly depend on pore structure parameters such as porosity, pore diameter, porosity, pore structure type, specific surface area and metal matrix.
Compared with compact metal materials, Porous Aluminium Foam can be used as both functional materials and structural materials. In general, it has both functional and structural functions. Moreover, it is durable and easy to be recycled, which makes it have great application prospects in industrial, military, aerospace and construction fields.



As an application of structural materials because of the Porous Aluminium Foam within a large number of pore, make the light and the high specific strength characteristics and become the ideal of lightweight composite sandwich plate or sandwich tube filler material. Aluminum foam is used as the filler sandwich composite panels and light not only, and higher strength and stiffness, aluminum foam filler can effectively improve the deformation of the composite plate under static and dynamic load model, the bending strength, compressive strength, stiffness and energy absorption properties have been improved to a great extent.Compared with traditional honeycomb sandwich materials, aluminum foam sandwich materials have higher properties and better formability, and overcome the disadvantages of anisotropy of honeycomb sandwich materials.Using aluminum foam sandwich material to replace the expensive honeycomb sandwich material can obtain higher performance and greatly reduce the cost.Has been reported literature, made some sandwiches aluminum foam sandwich material auto parts quality is only half of the original steel quality, while its specific stiffness for 10 times that of steel, heat preservation heat insulation performance is higher than solid aluminium 95%, therefore, aluminum foam will become important automotive materials, to create more favorable conditions for the development of the automotive industry.In the aerospace field, Boeing has been trying to use titanium foam and aluminum foam sandwich material to make the tail of the helicopter, the sandwich material can be bent or even three-dimensional shape, making it a promising application in aerospace technology.In the construction industry, aluminum foam or other foam metal can be made into light, hard, refractory components, railings or support bodies, such as modern elevators with high frequency and high speed acceleration and deceleration. In particular, light foam metal materials with both energy absorption and bearing characteristics are needed to reduce energy consumption.
Porous Aluminium Foam in addition to the above special properties, but also has corrosion resistance, moisture resistance and aging resistance and other excellent performance characteristics, so in addition to the conventional environment, aluminum foam can also be used in the open, high temperature, moisture and other harsh environment.
 

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