Coated Tungsten Carbide Insert Plastic Deformation Resistance (1)

It is claimed that the cutting performance of coated tungsten carbide insert regarded to specific wear type could be improved by single actions but the side effect will be pronounced at the same time when examining other wear properties. As a result, in order to get an optimization tool performance, a decent design of coated tungsten carbide insert should take all these properties into account and make balance  among them. One important balance in terms of milling alloyed steels with tungsten carbide insert is between cutting edge plastic deformation and edge chipping resistance.

Decreasing the binder content is one of the most common way to level up the resistance to plastic deformation and abrasive wear resistance. However this method will bring down the toughness of the cutting insert, as the vibrations and presence of casting or forging skin are affected by these factors, what’s more it will largely short the tool life.


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