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THE TOPOTACTIC TRANSFORMATION OF TUNGSTEN OXIDE TO A CUBIC TUNGSTEN CARBIDE
Korean Journal of Chemical Engineering, July 1989, 6(3), 196-199(4), 10.1007/BF02697680
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Abstract
The solid transformation of tungsten trioxide to a cubic tungsten carbide via nitride has been studied. Product carbide particles possessed specific surface area of ca. 90 m2g-1 and average diameter of ca. 4 nm. Transmission electron microscope（TEM） exhibited that these particles formed porous aggregates with a spotty electron diffraction pattern. This provides an evidence that the to potactic solid transformation has been involved.
