Structural-functional integrated materials, Metal foam have promising applications

Metal foam has a unique structure, combining the characteristics of metal and the functional properties of porous materials.
Metal foam belongs to porous metal materials, the internal porosity can be as high as 90% or more, the shape is like “foam” or “honeycomb”, breaking the traditional concept of dense structure of metal, both metal “strong” characteristics and bubble “light” characteristics, is the structure-function integration of new metal materials. “It breaks the traditional concept of dense structure of metal and has both the characteristics of metal and bubble, which is a new type of metal material with structure-function integration. Due to its unique structure, metal foam not only retains the conductivity, ductility, weldability and other characteristics of the base metal material, but also has the functional properties of porous materials, such as energy absorption and vibration damping, noise reduction, electromagnetic shielding, air permeability, water permeability, etc., which has attracted widespread attention in the field of materials science at home and abroad and is widely used in the fields of aerospace and petrochemical industry.

Metal foam integrates structure and function, and has a wide range of applications.
Metal foam integrates structure and function: as a structural material, metal foam has the characteristics of light weight and high specific strength; as a functional material, metal foam has various physical properties such as porous, vibration damping, damping, sound-absorbing, soundproofing, heat dissipation, shock absorption, electromagnetic shielding and so on. With its unique properties, metal foam has been widely used in the industrial field and high-tech field:

(1) Utilizing the lightweight and high specific strength properties, it is used to make the corresponding parts of flotation devices, sports equipment (such as sledges, etc.), and aerospace vehicles;
(2) The use of porous, with the production of chemical filters, for the purification of water for the use of gasification processor, automatic refueling of oil bearings, scented decorations, etc.;
(3) the use of vibration damping, damping performance, with its production as a buffer, vibration absorber, such as the landing gear of the spaceship, elevator transmission safety cushions and a variety of boxes, especially air transport boxes, machine tool beds, bases, damping rings, and so on;
(4) The use of its electromagnetic shielding, lightweight and excellent sound absorption, sound insulation properties, has been used to make the construction industry's sound insulation panels, electronic instruments shell and electric shielding room structure.