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Tantalum Boride powder preparation method
Tantalum-Boride Powder is produced by thermal reduction Tantalum Penoxide Powder and Carbon Black or Graphite Powder. The reaction equation is: 2Ta205+B4C+15C+2B203=4TaB2+16C0. The reaction is controlled by the material diffusion. The disadvantages to this method include the uneven mixing of Tantalum powder with graphite or carbon powder, and the low activity of graphite or carbon powder. Tantalum powder will reduce incompletely and may become an impurity. Tantalum Boride has a carbon black powder or graphite remaining that is low in activity. This powder is also inactive, so a high temperature of >600degC is needed during decarburization in order to create carbon monoxide (CO2) or carbon dioxide.
Tantalum, Tantalum alloys and their applications
The pipe is characterized by a high melting point, excellent corrosion resistance and cold working performance. Pipes have a wide range of applications in chemical, high temperature and atomic industries. They can be used for the production of heat exchangers in chemical processes, tubes, spiral coils and U-shaped tubes, thermocouples, their protective pipes and liquid metal containers. In the chemical, aerospace, high temperature, and atomic industries, bar materials are used widely. They can be used for supersonic planes, rocket engines and spacecraft combustion chambers.
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