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2020-07-10
Since the middle of the 20th century, countries all over the world have been competing in the research and development of porous foam metal. At the same time, they have also proposed a variety of different preparation processes. According to different applications and different structural requirements, the preparation processes used are also different. Since aluminum foam material reflects the new...
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2020-07-27
Can all Metal Foams be Processed by Laser Cutting, Engraving and Marking? YES! Foam is made by entraining gas bubbles into the material. Foam is usually made of polymers, but it can also be made of ceramic or metal. In open cell foam, the pores are interconnected, and the bubbles are filled with air. Open cell foam is easily compressed because air can flow freely through th...
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2020-07-10
Copper Foam is a new multi-functional material with a large number of connected or unconnected pores evenly distributed in the copper matrix. Copper foam has good conductivity and ductility, and its preparation cost is lower than that of nickel foam, and its conductivity is better. It can be used to prepare battery negative (carrier) materials, catalyst supports, and electromagnetic shielding...
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2020-07-02
Because metal foam has certain strength, ductility and additivity, it can be used as a lightweight structural material. This material has long been used as the core material of aircraft clips. In the aerospace and missile industries, foam metal is used as a lightweight, heat-transfer support structure. Because it can be welded, glued or plated onto the structure, it can be used as a sandwich ...
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2020-07-02
Nickel foam is a kind of sound absorption material with excellent performance, which has a high sound absorption coefficient at high frequency; through the design of sound absorption structure, its sound absorption performance at low frequency can be improved. Foam nickel is also one of the best electrode materials for manufacturing cadmium-nickel batteries and hydrogen-nickel batteries. The proce...
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2020-08-24
The development of foam ceramic materials began in 1970s, and is a porous material with high temperature characteristics. Its pore size ranges from nanometer to micron, and its porosity ranges from 20% to 95%, and its service temperature is from room temperature to 1600 ℃. Generally, foam ceramics can be divided into two categories, namely, open hole (net) ceramic material and closed cell ceramic ...
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2020-08-24
1.1 foaming method: the foaming reaction method can be used to prepare foamed ceramic products with complex shapes to meet the applications of some special occasions. Adding proper ceramic fibers into ceramic powder can improve the process and effectively increase the strength of the billet in sintering process so as to avoid chalking and collapse. 1.2 sol-gel method: sol-gel method is mainly used...
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2020-07-31
Composite metal foams (CMFs) are enough to turn an armor-piercing projectile shot at it into powder. These foams are lighter than materials reinforced with metal coatings, which are more suitable for the manufacture of new types of car bodies and the assembly of vehicle armor-and these are just the tip of the iceberg of its potential uses. Composite metal foam (pictured) is a type of steel support...
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