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Technical Topics

Brief talk about the advantages of the non through hydrogen(一)

Author: langfeng Time: 2017-07-10

Brief talk about the advantages of the non through hydrogen(一)

Hydrogen (H2) as a strong reducing agent, is widely used in the reduction of rare metal oxide protective gas and high-temperature furnace. However, tungsten carbide (WC), and tungsten (W), titanium (Ti), tantalum (Ta), niobium (Nb) carbide production duplex, H2 role is not exactly the same. In the WC production process, H2 gas as a carrier and both participate in the reaction and the protection plays a protective role.First,H2 and C reaction CH4 and a series of organic gases,organic gases then react with W generated WC, while the replacement of H2.Such production WC than non-hydrogen-WC with advantages of a complete lattice, completely carbonized, loose texture and so on.
However, according to the traditional process through hydrogen production process W, Ti, Ta, Nb, etc. duplex carbides, not only no benefit, but will bring a series of drawbacks. 
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