New Hot Pressed Aluminum Nitride Boron Nitride ALBN (BN-AlN) Ceramic-heegermaterials View larger

Hot Pressed Aluminum Nitride Boron Nitride ALBN (BN-AlN) Ceramic

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Boron Nitride Composite BN-AlN Ceramic is made by Boron Nitride + Aluminum Nitride + Boron Aluminum Oxide. Boron nitride ceramics have high-temperature resistance, vacuum or atmosphere protection under the use temperature of 2000 degrees. The heat shock resistance is very good, and the boron nitride ceramics will not crack.

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Boron Nitride Composite BN-AlN Ceramic is made by Boron Nitride + Aluminum Nitride + Boron Aluminum Oxide.

Types of hexagonal boron nitride materials

  • Pyrolytic boron nitride PBN: 99.99% boron nitride
  • High purity boron nitride HPBN: >98.5% boron nitride + boron oxide
  • Calcium Borate Boron Nitride CABN: >97.5% Boron Nitride + Calcium Borate
  • Aluminum Nitride Boron Nitride ALBN: Boron Nitride + Aluminum Nitride + Boron Aluminum Oxide
  • Zirconia Boron Nitride ZRBN: Boron Nitride + Zirconia + Boron Oxide
  • Zirconium Aluminum Boron Nitride ZABN: Boron Nitride + Zirconia + Aluminum Nitride + Aluminum Boron Oxide
  • Silicon carbide boron nitride SCBN: boron nitride + silicon carbide + boron silicon oxide

Boron nitride is a quite advanced synthesis ceramic that was sintered at heat and high by BN powder. Its many excellent properties including high-temperature resistance, high thermal conductivity, easy machining, and good lubricity, making BN an impressive material. Boron nitride ceramic BN-AlN is manufactured by a transitional plastic phase process. The density of the hot-pressed composite decreases because the boron nitride content increases, but 30% of the boron nitride is often obtained in additional than 99% of the aluminum nitride. Though materials like quartz are not available in high-temperature gas atmospheres, boron nitride-aluminum nitride composite ceramic gears provide reliable drive performance.

Composite BN-AlN Ceramic Applications

  • Insulation
  • Semiconductor equipment components
  • Molded glass fixture material
  • Used as bearings and gears

Composite Ceramic BN-AlN Specifications 

GradeBN-AlN
CompositionsBN+AIN
BinderAlBO3
Density2.5-2.6 g/cm3
25°C Volume Resistivity>1014 Ω·cm
Max. Service Temp. (°C)900 (Oxygen)
2100 (Inert Gas)
1900 (High Vacuum)
Flexural Strength130 Mpa
Compressive Strength250 Mpa
Coefficient of Thermal Expansion (25-1000°C)4.5 10-6/K
Thermal Conductivity60 W/mK

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