Composants façonnés en céramique de nitrure de bore

Tuyau en céramique de nitrure de bore pyrolytique OLED avec trou
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Composants façonnés en céramique de nitrure de bore
Composants façonnés en céramique de nitrure de bore 3
Composants façonnés en céramique de nitrure de bore
Composants façonnés en céramique de nitrure de bore 3

Composants façonnés en céramique de nitrure de bore

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Composants façonnés en céramique de nitrure de bore

Boron nitride ceramic is chemically and has relatively good thermal conductivity, low thermal expansion and microwave clarity. Boron nitride can be quickly machined as well. Moreover, glass, salts and the rest of liquid metals are non-wetting. This ensures that neither of these compounds can be moistened, and it is far more immune to chemical assaults.
Hexagonal boron nitride (h-BN) performs very well under high heat condition and is effective in the air at temperatures of up to 900 degrees C, in the vacuum at 1,900 degrees C and in the inert environment at 2,000 degrees C. BN is self-lubricating as well, par conséquent, it does not need the use of molecules of gas or water stuck in its layers. Because of this, in a vacuum, which is important for aerospace applications, boron nitride (NE) can work perfectly.
BORON NITRIDE CERAMIC
¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

1. Haute pureté;

2. Faible densité;

3. Non toxique;

4. Rigidité diélectrique élevée;

5. Bonne conductivité thermique;

6. High tensile strength;

7. Excellente résistance aux chocs thermiques;

8. High oxidation resistance.

✔Bonne isolation électrique:

ITEM
UNIT
BN-2000
BN-2300
BN-2800
BN-3000
Contenu principal
–
NE>99%
BN+Al2O3
BN+AlN
BN+ZrO2
Couleur
–
blanche
Light Grey
Dark Grey
Dark Grey
Densité
g/cm3
1.95-2.00
2.25-2.35
2.75-2.85
2.90-3.00
Résistance à la flexion
MPa
30
65
85
90
Résistance à la compression
MPa
55
145
205
220
Electrical Resistivity
??·cm
>1014
>1013
>1013
>1012
Max. Use Temp. (Air)
°C
900
1,000
1,000
1,000
Max. Use Temp. (Vacuum)
°C
1,900
1,750
1,800
1,750
Max. Use Temp. (isolateurs pour dispositifs microélectroniques)
°C
2,000
1,750
1,800
1,750
Conductivité thermique
W/m.K
35
30
85
30
Côte (25 – 1,000 °C)
10-6/Tube
1.5
2
2.8
3.5

Application

1.Used in high voltage and high frequency electric and plasma arc insulator and various heater insulators, heating tube sleeve and high temperature, high frequency, high voltage insulation cooling parts, high frequency application of electric furnace materials.

2.high voltage and high frequency electric and plasma arc insulator and various heater insulators, heating tube sleeve and high temperature, high frequency, high voltage insulation cooling parts, high frequency application of electric furnace materials.
3.It can be manufactured high-temperature components, rocket combustion chamber lining, thermal shielding of spacecraft, corrosion resistant parts of MHD generators, etc.

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