The physical properties of boron nitride materials can be enhanced by adding some other ceramics material, such as ZrO2 (BN-ZS), SiC (BN-SiC), AlN (BN-AlN), or Si3N4 (BN-Si3N4). High-purity boron nitride can withstand higher temperatures than composite/reinforced in an inert atmosphere. However, Boron nitride composite ceramic generally has better wear resistance and better performance in the air.

Boron Nitride composite ceramics are manufactured by a transitional plastic phase process. The relative density of the hot-pressed composite decreases as the boron nitride content increases, but 30% of the boron nitride can be obtained in more than 99% of the aluminum nitride. Though materials such as quartz are not available in high-temperature gas atmospheres, boron nitride-aluminum nitride composite ceramic gears provide reliable drive performance.

-Excellent wear resistance, high hardness

-High mechanical strength, high thermal conductivity

-Provide a reliable driving force for gears

Boron Nitride Composite Ceramic BN-AlN Performance

Item

Units

BN-AlN

Compositions

 

BN+AIN

Density

g/cm3

2.8-2.9

25°C Volume Resistivity,

Ω·cm

>10-13

Max. Service Temp. (°C)

In air

1000

Inset Gas

1800

High Vacuum

1800

Flexural Strength

Mpa

120

Compressive Strength

Mpa

220

Thermal Expansion (25-1000°C)

 10–6/K

2.8

Thermal Conductivity

W/mK

80

Boron Nitride Composite Ceramic BN-AlN Applications

-Insulators for high-temperature furnace

-Crucibles for metal evaporation

-Parts for melting metals or glass

-Casting molds for metal or alloys

-High-temperature support parts

-Transport pipes or nozzles for melting metal

Available Boron Nitride Composite Ceramic BN-AlN products: Disc, sheet, plate, tube, ring, rod, Insulators, and other machined parts.

Packing

Our Boron Nitride Ceramics BN-AlN are always carefully treated to prevent damage during storage and transportation and to maintain the quality of the product.