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 chemical, atomic and high temperature industries. These include the production of heat exchangers for chemical processes, spiral coils and U-shaped tubes, thermocouples, their protective tubes, and liquid metal containers. In the chemical, aerospace, high temperature, atomic and energy industries, bar materials are used widely. They can be used to manufacture supersonic planes, rocket engines, combustion chambers for spacecraft, high temperature resistant parts of furnaces, nitric and sulfuric acids, hydrochloric, and other corrosion-resistant parts.
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