Boron nitride ceramic nozzles are widely used in high-temperature spraying, grinding, and jetting due to their excellent wear resistance, high temperature resistance and corrosion resistance. They can provide efficient, precise and stable nozzle performance.
Application cases of boron nitride ceramic nozzles:
1. Powder metallurgy nozzles: Boron nitride ceramic nozzles play an important role in powder metallurgy processes. Due to their excellent wear resistance and high temperature resistance, they can be used for high-temperature jetting of particles, powders, and coating materials. Boron nitride ceramic nozzles can provide a stable jet flow to ensure a precise and uniform powder metallurgy process.
2. Large-size amorphous ribbon nozzles: Boron nitride ceramic nozzles are key components in the planar flow casting process for preparing amorphous alloy ribbons, requiring stable operation under extreme conditions (high temperature, high-speed melt erosion, rapid solidification). The main performance requirements for these nozzles are: excellent resistance to thermal shock and thermal expansion coefficients, resistance to metal corrosion, good wear resistance and low hardness, and minimal difference in thermal conductivity between the pressure direction and the horizontal direction. High consistency in amorphous alloy products is also crucial. Boron nitride perfectly meets these requirements, making it the most suitable material.
3. Abrasive nozzles: Boron nitride ceramic nozzles are widely used in the field of abrasive jetting. Due to their excellent wear resistance and corrosion resistance, they can provide long-term stable jetting effects in high-speed, high-pressure and high-concentration abrasive flows. Boron nitride ceramic nozzles can be used in abrasive jetting equipment, surface treatment and cleaning, etc., effectively improving the efficiency and quality of abrasive jetting.
4. Burner nozzles: Boron nitride ceramic nozzles play an important role in the field of burners. Due to its excellent high temperature resistance and wear resistance, it can be used for the injection and regulation of high temperature burners. Boron nitride ceramic nozzles can provide stable combustion injection, improve combustion efficiency and stability, and reduce energy waste and pollutant emissions.
5. Air atomization nozzles: Boron nitride ceramic nozzles are widely used in the fields of coating, spraying and atomization. Due to its stable injection performance and corrosion resistance, it can be used for the injection of high temperature spraying liquids, powders, and aerosols. Boron nitride ceramic nozzles can provide uniform spraying and atomization effects and realize precise and efficient coating and spraying processes.
In short, Boron nitride ceramic nozzles have excellent wear resistance, high temperature resistance and corrosion resistance, and play an important role in powder metallurgy, amorphous ribbon manufacturing, abrasive blasting, burners, and coating spraying.
Different types of boron nitride are used in scenarios with different usage environment requirements. Below is the datasheet.
| Properties | Units | BMA | BSC | BMZ | BSN |
|---|---|---|---|---|---|
| Main Composition | – | BN+ZR+AL | BN+SIC | BN+ZRO2 | BN+SI3N4 |
| Color | – | White Graphite | Greyish-Green | White Graphite | Dark Gray |
| Density | g/cm3 | 2.25-2.35 | 2.4-2.5 | 2.8-2.9 | 2.2-2.3 |
| Three-Point Bending Strength | MPa | 65 | 80 | 90 | 150 |
| Compressive Strength | MPa | 145 | 175 | 220 | 380 |
| Thermal Conductivity | W/m·k | 35 | 45 | 30 | 40 |
| Thermal Expansion Coefficient (20-1000℃) | 10-6/K | 2 | 2.80 | 3.5 | 2.80 |
| Max Using TemperatureIn AtmosphereIn Inactive GasIn High Vacuum (Long Time) | (℃) | 90017501750 | 90018001800 | 90018001800 | 90018001800 |
| Room Temperature Electric Resistivity | Ω·cm | >1013 | >1012 | >1012 | >1013 |
| Typical Application | – | Powder Metallurgy | Powder Metallurgy | Metal Casting | Powder Metallurgy |
| High Temperature Electrical Furnace Components | – | √ | √ | √ | |
| Metal Vaporize Crucible | |||||
| The Container of Metal or Glass Melting | – | √ | √ | √ | |
| The Casting Mould Components of The Precious Metal and Special Alloy. | – | √ | – | – | |
| High Temperature Support Part | – | √ | – | √ | |
| Nozzle and Transport Tube of The Melting Metal | – | √ | √ | √ | √ |
| Nitrides Sintering(Sagger and Setter Plate) | – | – | – | – | √ |
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