Technical Info

Performance advantages of CBN inserts


1. High hardness and wear resistance
The microhardness of CBN single crystal is HV 8000-9000, which is the second highest hardness material was known at present. The hardness of CBN composite blank is HV3000-5000 generally.

2. High thermal stability and high temperature hardness
The heat resistance of CBN can reach to 1400-1500 °C, and the hardness of CBN at 800 °C is the normal temperature hardness of Al2O3/TiC ceramic.

3. High chemical stability
CBN has a high oxidation resistance, and does not cause oxidation at 1000 ° C, and does not chemically react with iron-based materials at 1200 to 1300 ° C.

4. Good thermal conductivity and low friction coefficient.




 

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