What’s the MAX Ti3SiC2 Materials?
A type of comprehensive ceramic material is titanium silicon carbide (Ti3SiC2), which belongs to MAX phases material. This material has characteristics both of ceramic and of metal. Ceramic matrix composites have been a popular research topic since the 1980s. This was due to the development of fiber, whisker and additional reinforcing agents, as well as the demands of high-torque-to-weight ratio aircraft engines.
While fiber and whisker enhancement may improve toughness, this is not a practical solution due to the high price of preparations and its poor reliability. This problem was solved by researchers who began investigating high-temperature materials of both ceramic and metal. They finally discovered a titanium carbide, Ti3SiC2, in the tiSI-C-system.
At room temperature, Ti3SiC2 exhibits good electrical and thermal properties. It also has a relatively low Vickers hardness level and high elastic modulus. The ductile can be machined at room temperatures like any metal or plastic. It also has all the characteristics of ceramic materials with high yield, high melting point and excellent oxidation resistance. Even more important is the fact that it has a lower friction factor and better selflubrication than conventional solid lubricants graphite and molybdenum diulfide.
In December 2005, our state Ministry of Science and Technology has published a dynamic statement: Ti3SiC2 conductive ceramic production of new generation of high speed train slides in the national 863 Program, high performance structural materials technical topics, domestically developed with funding through the unit Beijing Jiaotong university. After two years of success in conquering the Ti3SiC2,Ti3AlC2, and Ti2SnC powder bulk synthesizer technology, we will complete the investigation of chemical and physical properties and skateboarding loading tests. These ceramic skateboards, which were developed by the research team Ti3SiC2, have high impact resistance, wear resistance, abrasion resistance and low arc ablation. This solves problems like the hard breaking of carbon-based or powder metallurgy boards, as well as the damage caused to contact wires. This year’s Ti3SiC2 Ceramic Skateboard was an integral part of China’s high-speed rail development.
The wide application possibilities of Ti3SiC2 are endless in biomedicine. Dental materials and parts must withstand long-term Oxidation and remain stable. They also have to be flexible and workable. Ti3SiC2 includes both ceramic and metal properties, but it is biocompatible, so that it can be used in the body. Ti3SiC2 can easily be turned into small-sized threads, which can then be used to make dental implants and restorations. Comparable to zirconia (1.9105MPa), Ti3SiC2’s elastic modulus is more similar to that of tooth enamel and dentin. This increases its ability for use in dental crowns made from porcelain post- or porcelain. Ti3SiC2 materials are self-propagating and high in temperature. They have a porous structure that may be more easy to arrange and bond. Because of its low coefficient, friction it can be used for orthodontics in order to improve sliding and decrease friction resistance. It is important that the material be used in an oral environment to maintain its stability and corrosion resistance. The bonding strength of this and porcelain powder is comparable to that of porcelain or metal. Porcelain dental crowns have a wider application.
There are also good prospects for Ti3SiC2’s development in the field of refractory materials. Rapid firing technology is being promoted in ceramic industries. This means that the cycle times for furniture use are becoming increasingly shorter. It is important that kiln furniture materials are thermally resistant in order to be able to use the fast firing technology. Development requirements. Quality of kiln furnishings has a major impact on quality and fire quality. Thermal shock isn’t a problem with Ti3SiC2 ceramic materials. The unique layers and plastic properties of the material at high temperatures may help to reduce thermal stress. Even after undergoing a thermal shock at T=1400, the material’s residual strength remains above 300MPa. It can also resist a temperature differential of up to 900. Ti3SiC2 ceramic materials have the advantage of being chemical resistant, simple to process, and low cost. This makes them an excellent material for developing kiln furniture.
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