Tungsten Carbide Button Nano Crystallization

Tungsten carbide button is used in the coal cutter drilling tools, mine machinery tools and road maintenance tools. It is also widely applied for rock tools, mining tools for use in quarrying, mining, tunneling, and civil constructions.

Requirement of tungsten carbide button in rock drill is super high. The hardness should be high enough to increase its wear resistance; also the tenacity should be able to resist cracking. Nano crystallization can enhance its hardness and wear resistance. Research shows that under the same amount of binder, if the tungsten carbide grain size is less than 1um, tungsten carbide button hardness and tenacity improve a lot.

As the tungsten carbide grain size getting smaller, the properties of tungsten carbide button arise. Some researchers applied nano materials to tungsten carbide button sintering process, and it shows the sintering temperature falls down. Tungsten carbide button hardness, wear resistance, tenacity also improve a lot. Thus its service life extended and cut the producing cost. 


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