Novel Route to Submicrometer Tungsten Carbide
Description
A mixture of graphite and scheelite (CaWO4) have been mechanically milled together for 40 h. The resultant powder and an unmilled powder were examined by thermal analysis, isothermal annealing, and X-ray diffraction to determine the effect of milling on the reduction of scheelite to tungsten carbide. The milled powder underwent a rapid reduction reaction at 800°C- 300°C lower than the unmilled powder. The reduction sequence to WC was shown to differ for the two powders with W2C intermediate in...[Show more]
Collections | ANU Research Publications |
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Date published: | 2000 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/90010 |
Source: | AIChE Journal |
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