Tungsten and Tungsten Alloy Powder Preparation

Preparation of tungsten metal powder The main methods are: Preparation of tungsten metal powder, the main method

(1) hydrogen reduction of tungsten oxide;
(2) hydrogen reduction of tungsten halides;
(3) tungsten oxide or tungsten acid carbon reduction;
(4) tungsten oxide or metal tungstate thermal reduction method;
(5) molten salt electrolysis.

The most practical industrial method of hydrogen reduction of tungsten oxide. Tungsten halide (WCl6, WF6) can be prepared from hydrogen reduction of tungsten powder with special features, and was gradually extended application of other methods do not apply to the production of plastic tungsten.


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