Preparation of tantalum carbides by self-propagating high-temperature synthesis (SHS)
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The refractory tantalum carbides can be successfully prepared by the SHS method when the following conditions are fulfilled: a) Pure starting materials (Ta and C powders) are used and the metal powder is of small particle size; b) the process is performed in a large (adiabatic) reactor with a maximum reaction mass charge.
The phase composition of the resultant products is strongly affected by the density of the starting charge and the synthesis temperature.
KeywordsParticle Size Carbide Small Particle Phase Composition Tantalum
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