Preparation and Application of Tantalum Diboride

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Tantalum Boride powder preparation method

Tantalum-Boride Powder is produced by thermal reduction Tantalum Penoxide powder with carbon black or graphite. 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 a good cold working performance. Pipes have a wide range of applications in the chemical, high temperature and atomic industries. These include heat exchangers for chemical processes, condensers and spiral coils. In the chemical, aerospace, atomic and high-temperature industries, bar materials are used widely.

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