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Cermet is made of the same powder elements as cemented carbide is. However unlike the main element of cemented carbide is WC, cermets use titanium carbide (TiC) as the main element. The binder metal used for cermets is nickel (Ni). This is because Ni has higher adhesion strength to TiC than cobalt (Co).  Though there are disadvantages with this, one being that the adhesion strength between TiC and Ni is not as strong as it is between WC and Co. Thus the toughness of cermets tends to be weaker than that of cemented carbides. To improve the toughness of cermets, the additions of materials such as molybdenum (Mo), titanium nitride (TiN) and other metal has been introduced. This lead to devlepment of TiC-TiN-Mo-Ni-based cermets that offer improved toughness and is today’s mainstream cermet.

- Large depth of cut, high feed, interrupted machining, etc. This type of machining should be avoided as much as possible.

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Cermets, if used correctly, can lead to an increase in productivity and product quality. However, if used incorrectly then these benefits will not be achieved.

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- Machining where the cutting edge is vulnerable to chipping, such as machining of hardened steel and the surface scale of cast iron.

Cermets are suitable for the following areas of machining where their superior welding resistance can be fully exploited:

- Machining of materials which have low thermal conductivity and tend to work harden, such as stainless steel, high manganese steel, heat-resistant and titanium alloys.

Cermet is a term that is made up from the words ceramics and metal. Cermet has both the hardness of ceramics and the toughness of metals.