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Article | REF: M2365 V2

Metallurgy and recycling of niobium and tantalum

Author: Christian POLAK

Publication date: June 10, 2009

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6. Carbides

The production of tantalum and niobium carbides is closely linked to that of cemented carbides.

Several processes are used [34] .

  • Carbides are prepared by carbothermic reduction of oxides according to the endothermic reaction :

    Ta (Nb)2O5+7C?       2 Ta(Nb) C+5 CO

    ...

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