Fine Cemented Carbide Particles Prepared with Activated Tungsten Oxide

Xiao Ming Fu

doi:10.4028/www.scientific.net/AMR.510.619

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Fine Cemented Carbide Particles Prepared with Activated Tungsten Oxide

Abstract:

Fine cemented carbide in the diameter of less than 1 μm is obtained activated tungsten oxide. The samples are characterized by laser particle size analyze, electron microscope and sclerometer. The experimental results show that the size of tungsten particles and tungsten carbide prepared with activated tungsten becomes small remarkably, and coarse tungsten particles decrease. The properties of cemented carbide prepared with activated tungsten oxide are better than those of cemented carbide made with blue tungsten oxide. Especially, the hardness of cemented carbide prepared with activated tungsten oxide increases by about 7 %.