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In the 21st century, with increasingly advanced military equipment, both offense and defense must rely on scientific, powerful and lightweight body armor systems (helmets, undershirts, shoulders, face masks) to stop themselves from being turned into cannon fodder.
What body armor is safer now that military technology has advanced? The latest breakthrough is bulletproof undershirts made with composite metal foam that can disintegrate a happy-flying bullet.
It's not just any metal, but made by melting aluminum around a hollow metal ball. The composite metal foam is more than 70% lighter than regular sheet metal - and absorbs 80 times more energy than steel. The body armor is made of composite metal foam and boron carbide ceramic, while the back plate is Kevlar.

Aluminum Foam As a new type of fashionable space decoration material, Aluminum Foam has shown its unique charm and wide application prospects in the field of large building interior decoration.

Nickel foam is a remarkable material that has gained widespread attention in various industries due to its unique properties and wide range of applications.   This highly porous and conductive material has proven invaluable in a wide range of fields, from energy storage and conversion to filtration and catalysis.   In this blog, we’ll explore the fascinating world of nickel foam and its potential to revolutionize numerous technologies.

This paper summarizes the excellent properties of foam metals and details the results of the current development of foam metals, especially titanium foam, such as aerospace impact resistant materials, biomedical materials, high-temperature filtration materials and battery materials, etc., as well as the areas to be developed.

Aluminum foam to add additives in pure aluminum or aluminum profiles, after foaming into, in addition to taking into account the characteristics of metal materials and bubbles. It has low density, high impact resistance, heat resistance, fire safety, corrosion resistance, sound insulation, low thermal conductivity, good magnetic shielding material, strong aging resistance, filtration capacity, easy to manufacture, easy to install, high precision molding, and can be carried out on the surface of the paint.

Nickel foam is a highly permeable, low-density, three-dimensional reticulated foam metal material, which is a new and rapidly developing material in current materials science. The foam structure gives nickel metal an open-cell structure, which gives it excellent permeability and significant heat transfer and dissipation properties.
Nickel foam is made by electroplating on a skeleton of special polymers with a three-dimensional network structure, such as polyurethane, polyester polyurethane and other special polymers (sponges). After plating, the final metal foam product is made by burning off the internal polymer material and reducing the metal oxides, and is mechanically shaped by chemical heat treatment.
Nickel foam, with its lightweight and electrically conductive properties, is one of the key building blocks of AEM's hydrogen electrolyzers, providing an ideal solution for efficient and sustainable hydrogen production.

The main differences between aluminum foam panels and aluminum veneer are their material, thickness, weight, strength, fire resistance, and range of use. 

Metal foams are attracting attention in engineering applications due to their low density, high volume ratio and high thermal conductivity. In the heating and cooling industry, compact heat exchangers, solar thermal facilities and thermal energy storage are the 3 core directions.

Nickel foam is an excellent sound-absorbing material with a high absorption coefficient at high frequencies; its sound-absorbing performance at low frequencies can be improved by the design of the sound-absorbing structure. Nickel foam is also one of the best electrode materials for cadmium-nickel batteries and hydrogen-nickel batteries. Nickel foam itself has many excellent characteristics. 

metals foam are prepared by sintering, electroplating, pressure casting, and foaming methods. Among them, the electroplating method and the powder metallurgy method under the subdivision of the foaming method are common. The former by adding foaming agent to the molten metal to produce metal foam; the latter through the electrodeposition process in the polyurethane foam skeleton copied into metal foam. At present, the metal foam has been widely used in aluminum nickel, copper and its alloys, in addition to iron, magnesium, titanium, steel, lead and so on also have a certain application space,