Superfine tungsten carbide cobalt composite powder has excellent wear resistance, and can be prepared by liquid phase method. It is used to prepare tungsten carbides and wear-resistant coatings, such as: cutting tools, computers, machinery and other industries.
Superfine tungsten carbide cobalt composite powder can be prepared by liquid phase method. According to the different carbonization methods, it can be divided into the following three types:
Tungsten and cobalt are compounded along the liquid phase to prepare tungsten and cobalt oxide precursor powders, which are mixed with solid carbon powders and carbonized at high temperatures to superfine tungsten carbide cobalt composite powder.
The precursor powder is prepared by liquid phase combination of tungsten and cobalt salt, and then carbonized into a superfine tungsten carbide composite powder with gaseous carbon sources (CO, CO2, CH4, etc.).
Precursor powders were prepared by liquid phase combination of tungsten, cobalt salt and carbon source, and then carbonized in H2 to make superfine tungsten carbide cobalt composite powder.
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