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Cubic Boron Nitride (CBN) Superabrasive Micropowder

  • $ 39900


Cubic Boron Nitride (CBN) Superabrasive Micropowder

Cubic Boron Nitride (CBN) is second only to diamond in hardness, two times that of diamond in high temperature resistance, four times that of traditional abrasive in wear resistance, and have extraordinary thermal conductivity. It is designed for fine grinding and polishing in a variety of demanding surface finishing, such as metal bond grinding wheels, resin bond grinding wheels, vitrified bond wheels and electroplated products. It also can be used for aerospace super alloys, thermal spraying to the hardened steel and producing PCBN (polycrystalline cubic boron nitride) cutting tools.

MSE Supplies can offer CBN micropowder and monocrystal with a variety of particle sizes, CBN insert, CBN pieces and CBN cutting tools. Please contact us for customization or bulk order.

Material Cubic Boron Nitride (CBN)
Density (g/cm3) 3.48
Bulk modulus (GPa) 367
Microhardness (GPa) 75-90
Melting point (K) 3500
Thermal expansion coefficient (10−6/K) 4.7
Thermal conductivity (kW/m·K) 1.3
Thermal stability (K) 1573~1673

 

References

1. Recent progress of boron nitrides, Ultra-Wide Bandgap Semiconductor Materials, Materials Today, 2019, Pages 347-419

2. Ultrahard nanotwinned cubic boron nitride. Nature 493, 385–388 (2013)

3. Epitaxy of cubic boron nitride on (001)-oriented diamond. Nature Mater 2312–315 (2003)


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