6. Carbides
The production of tantalum and niobium carbides is closely linked to that of cemented carbides.
Several processes are used
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Carbides are prepared by carbothermic reduction of oxides according to the endothermic reaction :
Carbon black is added to the oxides, either pure or mixed in...
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Carbides
Bibliography
References
Websites
Tantalum
http://www.webelements.com/tantalum/
http://webmineral.com/chem/Chem-Ta.shtml
Niobium
Directory
Ferroniobium suppliers
Cambior (Niobec) http://www.cambior.com/
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