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Novel nanocomposites of spherical graphite-carbon encased tungsten carbide (GC-WC) are synthesized by solid state reaction with melamine and WO3 as precursors under N2 atmosphere. The diameters of the GC-WC composites range from 50 to 200nm and the WC nanoparticles inside with an average size of ca.15nm distribute uniformly. The characterization results indicate that the GC-WC is composed of few layers...
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