Tungsten Carbide Button Carbon Content

Tungsten carbide carbon content is an important factor that will affect tungsten carbide properties.

1.Bending strength. Normally, bending strength reaches largest where the carbon content is high for the low cobalt content tungsten carbide YG10. For the high cobalt content tungsten carbide YG20, bending strength reaches largest where the carbon content is low. Carbon content too much or less will affects the bending strength of tungsten carbide button.

2.Hardness. The change of carbon content will result in the fluctuation of tungsten carbide phase and cobalt phase. When the carbon content is insufficient, binder phase decreases thus the hardness falls down.

3.Density. If the carbon content decrease, then the density increases. If carbon content increases, tungsten carbide button density decreases.

4.Corrosive resistance. A bit carbon content combines cobalt content will increase the corrosive resistance of tungsten carbide button. On the contrary, exceeded carbon content will lower the corrosive resistance of tungsten carbide button.


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