Wear-Resistant Ceramic Component for Papermaking Applications
1 . Descriptions:
A precision-machined Si3N4 ceramic element for paper sheet formation is a component used in the papermaking process to improve the quality of the final product. The element is typically made of silicon nitride (Si3N4) ceramic, which is known for its high strength, wear resistance, and thermal stability.
The precision machining process allows for the creation of complex shapes and features that are critical in controlling the characteristics of the paper sheet being formed. These elements are often used in paper machine headboxes or forming sections, where the paper pulp slurry is distributed evenly onto a moving mesh screen or wire to form a wet web of paper.
The Si3N4 ceramic element is designed to provide consistent and uniform flow of the paper pulp slurry across the width of the machine, promoting proper sheet formation and reducing defects such as uneven thickness, porosity, and surface roughness. The high strength and wear resistance of the ceramic material also ensure long-lasting performance and minimize maintenance requirements.
Overall, the precision-machined Si3N4 ceramic element plays a critical role in ensuring high-quality paper products that meet the demanding specifications of various industries such as printing, packaging, and hygiene.
Product name | Paper Industry Dewatering Element Si3n4 Silicon Nitride Ceramic Part |
Material | Silicon nitride |
Size | Customized |
Color | Black |
Payment Item | T/T,Western Union,Online payment by credit card are available |
MOQ | 2 PCS |
2 . Advantages of silicon nitride ceramic parts
a . Excellent Wear Resistance: Silicon nitride is highly wear-resistant, which makes it an ideal material for use in paper machine components that are exposed to abrasive materials and harsh operating conditions. This wear resistance helps to extend the lifespan of parts and reduce maintenance costs.
b . High Thermal Shock Resistance: Silicon nitride can withstand rapid changes in temperature without cracking or degrading, making it ideal for use in high-temperature applications such as drying sections of paper machines.
c . Corrosion Resistance: Silicon nitride is highly resistant to corrosion and chemical attack, which helps to prolong the lifespan of equipment used for paper production.
d . Improved Paper Quality: The use of silicon nitride components in paper machines can lead to improved paper quality through better sheet formation, consistency, and reduced defects such as porosity, uneven thickness, and surface roughness.
e. Reduced Downtime: The durability and long lifespan of silicon nitride components can help to reduce downtime and maintenance costs associated with paper machine repairs and replacements.
Overall, the advantages of silicon nitride in the paper industry are numerous, and its use in equipment and components has become increasingly common due to its reliability, durability, and performance benefits.
3 . Applications of silicon nitride ceramic
Welding pins, jigs, fixtures and nozzles
Turbine blades
Bearing balls and rollers
Cutting tools
Valves, turbocharger rotors for engines
Diesel engine glow plugs
Molten metal handling
Thermocouple sheaths
| Silicon nitride(Si3N4)Ceramic | |||
| Properties | Unit | Pressureless Sintered | Hot pressed |
| Bulk Density | Kg/m³ | 3.2×10³ | 3.25×10³ |
| Water Absorption | % | 0 | 0 |
| Mechanical | |||
| Porosity | %(%) | 0 | 0 |
| Color | - | Black | Black |
| Flexural Strength | MPa | 610 | 880 |
| Elastic Modulus | GPa | 290 | 300 |
| Vickerts Hardness | GPa | 13.9 | 14.0 |
| Maximun Use Temperature | ºC | 1000 | 1000 |
| Thermal | |||
| Thermal Conductivity | W/mk | 20 | 30 |
| Coefficient of Thermal Expansion | 10-6/ºC(4.-800ºC) | 3.2 | 3.0 |
| Thermal Shock Resistance(20ºC) | ΔT(C) | 550 | 750 |
| Electrical | |||
| Volume Resistivity | ohm*cm | >10^12 | --- |
| Dielectric Strength | V/m | 10×10^6 | --- |
