Analyzing the Submicron Tungsten Oxide‘s Morphology Producing By Violet Tungsten Oxide (2)

After many observed violet tungsten oxide the researchers found violet tungsten oxide has special structure which is good for producing fine or submicron tungsten powder.
After detailed studies of these three powders found loose structure violet tungsten oxide is conducive to speed up the reaction proceeds, and powder particle size is small than using other tungsten oxide to produce.
Using violet tungsten oxide as raw material to produce tungsten powder and the tungsten powder particle shape is kind of short rod or a chain particles which form by many particles, uniform size, particle size between 0.1 ~ 1um. Tungsten carbide powder particles shape is mainly equiaxed particle, uniform size, particle size is also between 0.1 ~ 1um. But the size is larger than the tungsten powder. This is mainly due to when carbonization the tungsten atoms does not occur large migration.
So using violet tungsten oxide to produce submicron tungsten oxide and tungsten carbide powder the particle shape are complicate and also has little single particle exist.



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