Overview of Refractory Silicon Nitride and Silicon Carbide Ceramic Plates and Discs

Silicon Carbide (SiC) ceramic is an advanced engineering material synthesized through the high-temperature reaction of silica sand and carbon. Known for its exceptional hardness and stability, this technical ceramic combines the lightweight properties of ceramics with the thermal performance of metals. Silicon Carbide ceramics exist in various forms, including sintered SiC, reaction-bonded SiC (RBSC), and recrystallized SiC, each offering unique microstructures that deliver outstanding performance in the most demanding industrial environments. With its covalent bond structure, SiC provides remarkable durability that surpasses conventional ceramics and metals in extreme conditions.

Features of Refractory Silicon Nitride and Silicon Carbide Ceramic Plates and Discs

Exceptional Hardness: Ranks 9.5 on the Mohs scale, second only to diamond, providing superior wear and abrasion resistance

High-Temperature Stability: Maintains mechanical strength up to 1400°C (2550°F) in inert atmospheres and 1600°C in oxidizing environments

Thermal Shock Resistance: Excellent thermal conductivity (120-170 W/m·K) combined with low thermal expansion ensures resistance to rapid temperature changes

Chemical Inertness: Unaffected by most acids, alkalis, and corrosive substances; only attacked by strong oxidizing agents at high temperatures

Outstanding Thermal Conductivity: Four times higher than stainless steel, enabling efficient heat transfer applications

Lightweight Structure: Approximately one-third the density of steel while maintaining superior strength-to-weight ratio

Specification of Refractory Silicon Nitride and Silicon Carbide Ceramic Plates and Discs

Refractory Silicon Nitride and Silicon Carbide Ceramic Plates and Discs

Material Properties

Silicon nitride (Si five N FOUR) and silicon carbide (SiC) porcelains are developed for severe conditions. Both products stand up to high temperatures, wear, and corrosion. Silicon nitride supplies superb thermal shock resistance and mechanical stamina also at raised temperatures. Silicon carbide supplies premium solidity, thermal conductivity, and chemical security.

Trick Requirements

These ceramic plates and discs been available in standard and custom-made measurements. Thickness varieties from 1 mm to 50 mm. Diameters or side lengths differ from 10 mm as much as 300 mm, depending upon the application. Resistances hold limited– typically ± 0.05 mm for vital surface areas. Surface area coatings include as-fired, ground, or washed options based on efficiency demands.

Both products maintain architectural integrity above 1200 ° C. Silicon nitride does accurately as much as 1400 ° C in air. Silicon carbide remains secure past 1600 ° C, specifically in inert ambiences. Their low thermal expansion assists prevent cracking throughout quick heating or cooling cycles.

Common Applications

Industries utilize these parts in demanding environments. You’ll locate them in steel casting, semiconductor manufacturing, aerospace systems, and high-temperature heaters. Silicon nitride components commonly serve as insulators, bearings, or cutting tools. Silicon carbide masters heat exchangers, heater nozzles, and wear-resistant cellular linings.

Quality control

Every set undertakes rigorous quality control. We test thickness, hardness, flexural toughness, and purity. Products meet worldwide requirements such as ISO 18754 and ASTM C1161. Complete traceability guarantees consistent efficiency throughout manufacturing runs. Personalized qualifications are readily available upon request.

Applications of Refractory Silicon Nitride and Silicon Carbide Ceramic Plates and Discs

Applications of Refractory Silicon Nitride and Silicon Carbide Porcelain Plates and Discs

High-Performance Components for Demanding Atmospheres

Silicon nitride and silicon carbide ceramic plates and discs deal with extreme problems better than the majority of materials. They stand up to high temperatures, wear, and deterioration. This makes them excellent for difficult industrial setups.

In the semiconductor sector, these porcelains work as wafer handling elements. Their pureness avoids contamination during chip production. They also stay steady under repeated thermal cycling in furnaces and etching tools.

Steel processing makes use of these components too. Factories rely on silicon carbide plates as kiln furniture or support beam of lights. They stand up under liquified steel call and thermal shock. Silicon nitride discs work well in continuous spreading systems because they last much longer than metal alternatives.

The automotive and aerospace markets utilize these ceramics in engine and wind turbine components. Silicon nitride’s stamina at high heat improves performance and lowers weight. Bearings and seals made from it run smoother and need much less maintenance.

Chemical plants select these materials for pumps, valves, and cellular linings. Both silicon nitride and silicon carbide withstand acids, antacid, and unpleasant slurries. This cuts downtime and substitute prices.

Power applications profit also. In solar and gas cell manufacturing, ceramic plates act as substratums or insulators. They keep form and function even after lengthy direct exposure to warm and reactive gases.

These ceramics additionally show up in protection and research. Armor panels, laser components, and vacuum chamber parts all benefit from their hardness and thermal stability.

Suppliers value consistent top quality and tight resistances. Modern forming and sintering approaches create plates and discs that satisfy exact specifications without added machining. This conserves time and material waste.

Silicon nitride and silicon carbide ceramic plates and discs fix real-world troubles where ordinary products stop working. Their mix of longevity, thermal resistance, and chemical inertness maintains critical systems running securely and successfully.

Company Introduction

Welcome to Eduloc, a leading global supplier of high-quality ceramic grinding balls. Our product range includes,Mullite Ceramic, Quartz Ceramic, Aluminum Nitride Ceramic, Silicon Nitride Ceramic, Silicon Carbide Ceramic designed for industries such as mining, chemicals, coatings, electronics, and pharmaceuticals. We are committed to providing durable and efficient grinding solutions tailored to our customers’ diverse needs. With advanced manufacturing technology and stringent quality control, our ceramic grinding balls excel in wear resistance, corrosion resistance, and thermal stability. Partner with us for reliable products and exceptional service that enhance your production efficiency and reliability.

If you have any questions, please feel free to contact us.

Payment Methods

T/T, Western Union, Paypal, Credit Card etc.

Shipment Methods

By air, by sea, by express, as customers request.

5 FAQs of Refractory Silicon Nitride and Silicon Carbide Ceramic Plates and Discs

Frequently Asked Questions About Refractory Silicon Nitride and Silicon Carbide Ceramic Plates and Discs

What are these ceramic plates and discs made of?

These parts are made from high-purity silicon nitride (Si₃N₄) or silicon carbide (SiC). Both materials are engineered ceramics. They offer strong resistance to heat, wear, and corrosion. The exact composition depends on the application and performance needs.

Where are they commonly used?

You’ll find them in demanding industrial settings. Examples include metal casting, semiconductor manufacturing, aerospace components, and high-temperature furnaces. Their stability under extreme conditions makes them ideal for precision parts that must last.

How do they handle high temperatures?

Silicon nitride and silicon carbide keep their strength even above 1,000°C. They resist thermal shock, meaning they won’t crack easily when temperature changes quickly. This makes them reliable in environments with rapid heating or cooling cycles.

Are they easy to machine or shape after production?

No. These ceramics are extremely hard once sintered. Final shaping must happen before the final firing stage. After that, only diamond grinding or specialized tools can adjust dimensions. It’s best to specify exact sizes early in the design phase.

What’s the difference between silicon nitride and silicon carbide versions?

Silicon nitride has better fracture toughness and impact resistance. Silicon carbide offers higher hardness and thermal conductivity. Choose silicon nitride for parts under mechanical stress. Choose silicon carbide for applications needing fast heat dissipation or maximum wear resistance. Both perform well in harsh environments but suit different priorities.