processes for reducing the oxygen content, to prevent or reduce the oxygen uptake during heat treatment of metallic tantalum and / or niobium, alloy of the same and of. tantalum and / or nioboxid enthaltendem tantalum and / or niobhydrid

摘要

Disclosed is a process for the reduction of oxygen content in tantalum and/or columbium-containing material comprising heating the material under a hydrogen atmosphere in the presence of an oxygen-active metal.