Is metal foam a metal?

Metal foam  is a metallic material with special properties, which has both metallic and foam properties, hence the name foam metal. So, is foam metal a metal?
    The answer is yes. Foam metal is made of metal material, which has the properties of metal such as electrical conductivity, thermal conductivity, strength and so on. At the same time, the foam metal has a large number of tiny pores inside, forming a structure similar to foam, which makes the metal foam has the properties of light weight, high specific strength, good heat insulation and so on.
Properties and Characteristics
1. Light weight and high strength
Foam metal material has very high specific strength and specific modulus, its density is small, but the strength and stiffness is very high, which makes it an ideal lightweight structural material.
2.Good thermal stability
Metal foam materials have good thermal stability and can maintain their original properties at high temperatures, which makes it possible to apply them in high-temperature environments.
3. High specific surface area
Foamed metal materials have a very high specific surface area, which gives them good adsorption and sound insulation properties.
Fields of application
1.Aerospace.
Foamed metal materials can be used to manufacture structural components for airplanes and rockets, such as wings, fuselages and engine casings. These components have lightweight and high strength characteristics, which can improve the flight performance and fuel efficiency of the aircraft.
2.Construction.
Metal foam  materials can be used to manufacture soundproof wall panels, roof panels and building frames, etc. They have excellent soundproof performance and durability.
3. Automotive industry: Foam metal materials can be used in the manufacture of automobile engines.
Metal foam materials can be used to manufacture automobile hoods, frames, seats and other components, which can improve the structural strength and comfort of automobiles.
4. Environmental protection field.
Metal foam materials have excellent adsorption properties, can be used to treat wastewater, waste gas and heavy metals and other harmful substances, has a wide range of environmental applications.
Metal foam can also be further improved by surface treatment and modification technology to further improve its performance and application range. For example, it can be coated, plated and other processes to improve its anti-corrosion, wear-resistant, electrically conductive and other properties, so that it can be used in a wider range of fields. As an emerging lightweight and high-strength material, foam metal material has a wide range of application prospects and great potential for development. With the progress of science and technology and the expansion of application areas, foam metal materials will play an increasingly important role in the future development.