How useful is the new MAX phase ceramics?

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What is the MAX phase? MAX phase (including Ti3SiC2, Ti2AlC , etc.) is a new machinable ceramic material that has attracted much attention. This material includes more than fifty kinds of ternary carbides or nitrides. M represents a transition metal element; A represents the main group element; X represents carbon or nitrogen. The basic chemical formula can be expressed as M(n+1)AXn. Among them, Ti3SiC2 is the most widely studied.
How can MAX phase materials be synthesized?
Ti3SiC2 was synthesized by the research group of Professor Barsoum of Drexel University in the United States in 1996 by the hot pressing method and found its excellent properties. Due to the unique nano-layered crystal structure, this type of material has properties such as self-lubricating, high toughness, and conductivity. Such materials can be widely used as high-temperature structural materials, electrode brush materials, chemical anti-corrosion materials and high-temperature heating materials. After 1996, research related to this type of material has been widely carried out in Japan, Europe and China.

Introduction of Nb2Alc powder
The largest phase ceramic is a new type of conductive ceramic material that can be processed, and Nb2Alc powder is one of them. This ceramic contains more than 60 ternary carbides or nitRIDE compounds. A represents group elements, mainly elements of the third and fourth groups; X represents carbon or nitrogen. Niobium Aluminum Carbide (NBC) is a new type of ceramic material that combines many advantages of metal and ceramics. Nb2Alc powder has excellent mechanical properties at high temperatures.

How is Nb2AlC powder produced?
1. Weigh niobium powder, aluminum powder, and carbon powder, and then ball mill the mixed powder;
2. Put the mixed powder into a graphite boat, then put it into the reactor, and fill it with inert gas, catch fire, self-diffusion reaction, pulverize, cool, sieving, and dry to obtain Nb2AlC ceramic powder. The method has fast reaction speed, short synthesis time, low energy consumption, low cost, high production efficiency, and the obtained Nb2Alc ceramic powder has high purity. The Nb2Alc ceramic powder obtained by the present invention can be used in aviation, aerospace, electronic industry and nuclear industry, etc.

Storage conditions of Nb2AlC powder
Group gathering affects the dispersion performance and uses the effect of Nb2AlC powder. Therefore, niobium aluminum carbide Nb2AlC powder should be sealed in a vacuum package and stored in a cool and dry room. Niobium aluminum carbide cannot be used. Expose to the air. In addition, avoid using Nb2AlC powder under stress.

The price of MAX phase powder
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