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FAQ
What are the advantages of using cemented carbide tools?
As cemented carbide is characterized by its resistance to loss of hardness at high temperatures, its performance is not easily deteriorated even when used for machining at high speed that cause tools to have high temperatures.
Q&A in the same category in this question
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Why does the amount of Co and WC particle size affect the thickness of the heat affected layer?
It is thought that when Co is in large quantities the fusing point is lowered, which increases the amount that melts and thickening the damaged layer.
It is also thought that when WC particle size is small, the material becomes easier to melt due to the volume effect, which thickens the damaged layer. -
What is the relationship between hardness and strength?
Hardness affects resistance to abrasion, and harder the material the more resistant it is to abrasion.
However, amount of abrasion is not only determined by hardness, but could be affected by adhesions caused by workpieces of certain materials.
Thickness also affects the life of material, and so the environment and manufacturing process must be taken into consideration when selecting cemented carbide grade.
There are many factors related to strength, such as transverse rupture strength, impact strength, fracture toughness value and others, therefore material selection must be made in consideration of these factors. -
What is the difference between cemented carbide and cermet?
Both cemented carbide and cermet are composite materials made by mixing and sintering carbide or nitride powders with a metallic binder.
However, whereas cemented carbides are made of tungsten carbide (WC), the main component, bonded mainly with cobalt (Co) and nickel (Ni),
Cermet is made by bonding titanium compounds such as titanium carbide (TiC) and titanium carbide nitride (TiCN) with nickel (Ni) and cobalt (Co).
In other words, the difference between cemented carbide and cermet is the main component.
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