Overview of Insulation Silicon Nitride Bushing Si3n4 Ceramic Ring

Insulation Silicon Nitride Bushing Si3n4 Ceramic Ring is a high-performance advanced ceramic renowned for its exceptional combination of thermal shock resistance, high strength, toughness, and excellent wear and corrosion resistance. It is a material of choice for demanding applications across various industries, from automotive and aerospace to industrial and medical.

Features of Insulation Silicon Nitride Bushing Si3n4 Ceramic Ring

l Excellent Thermal Shock Resistance: Withstands rapid temperature changes without cracking.

l High Strength & Hardness: Maintains mechanical properties at both room and elevated temperatures.

l Good Fracture Toughness: Superior to many other technical ceramics, providing better resistance to chipping and breakage.

l Low Density & Lightweight: Significantly lighter than steel and many metals.

l Wear & Corrosion Resistance: Ideal for components exposed to abrasive and corrosive environments.

l Electrical Insulation: Offers good dielectric properties.

Specification of Insulation Silicon Nitride Bushing Si3n4 Ceramic Ring

This silicon nitride bushing ring is made from Si3N4 ceramic. It offers outstanding performance in demanding applications. The material provides exceptional mechanical strength. It handles high temperatures very well. This ceramic ring resists thermal shock effectively. Sudden temperature changes rarely cause cracking. Its hardness is extremely high. Wear resistance is excellent. Friction is very low. These properties ensure long service life under stress.

Electrical insulation is a key feature. Silicon nitride is an excellent electrical insulator. It maintains insulation integrity at high voltages. This makes it safe for electrical components. The dielectric strength is high. Leakage currents are minimized. Chemical stability is another advantage. The ring resists attack from many acids and alkalis. It does not easily corrode. This suits harsh chemical environments.

Typical specifications include high density. Density is around 3.2 to 3.3 grams per cubic centimeter. Flexural strength often exceeds 700 Megapascals. Compressive strength is very high. Thermal conductivity is moderate. It manages heat effectively. The coefficient of thermal expansion is low. Dimensional stability is good during heating or cooling. Maximum continuous use temperature reaches 1200 degrees Celsius. Short-term exposure can be even higher.

These Si3N4 rings come in various sizes. Inner diameters, outer diameters, and thicknesses can be customized. Tolerances are typically tight. Precision grinding ensures accurate dimensions. Surface finishes are smooth. This reduces friction and wear further. Common applications include high-temperature furnace fixtures. They work well in welding equipment. Semiconductor processing equipment uses them often. Foundry applications benefit from their durability. Electrical insulators in power systems are another use. They serve reliably in aerospace components. Anywhere extreme conditions exist, this bushing ring performs.

Applications of Insulation Silicon Nitride Bushing Si3n4 Ceramic Ring

Silicon nitride bushings, or Si3N4 ceramic rings, are tough parts for demanding electrical and mechanical jobs. They handle high voltage and extreme heat well. This makes them essential where other materials fail. You find them inside high-voltage switchgear and transformers. They safely insulate live conductors passing through grounded metal enclosures. Their high dielectric strength prevents electrical breakdown. They also resist tracking and erosion from electrical arcing.

Electric vehicle power systems use these bushings heavily. They manage the high currents and voltages in battery packs, inverters, and charging ports. They insulate reliably under the hood’s intense heat. Their thermal shock resistance is vital here. Temperatures change fast during operation. Silicon nitride doesn’t crack under this stress. This is a big advantage over other ceramics.

Aerospace and defense applications rely on them too. They work in harsh environments with wide temperature swings, vibration, and corrosive elements. Silicon nitride keeps performing. Its strength and stability are critical for mission success. You see them in sensors, radar systems, and specialized connectors.

Industrial machinery benefits greatly. Motors, generators, and heavy welding equipment generate extreme heat and electrical stress. Silicon nitride bushings insulate shafts and conductors in these tough settings. They withstand high mechanical loads and resist wear over time. This reduces maintenance and downtime.

Chemical processing plants use them where corrosion is a problem. Acids, alkalis, and solvents attack many materials. Silicon nitride holds up. It provides long-lasting electrical insulation in pumps, valves, and mixers handling aggressive chemicals.

The material itself explains the performance. Silicon nitride offers outstanding electrical insulation. It handles very high temperatures without losing strength. Its thermal shock resistance is exceptional. It has great mechanical strength and hardness. It resists wear and chemical attack. It manages thermal expansion effectively. These properties combine to make Si3N4 bushings uniquely reliable. They ensure safety and extend equipment life.

Company Profile

Tanki New Materials Co.Ltd. focus on the research and development, production and sales of ceramic products, serving the electronics, ceramics, chemical and other industries. Since its establishment in 2015, the company has been committed to providing customers with the best products and services, and has become a leader in the industry through continuous technological innovation and strict quality management.

Our products includes but not limited to Aerogel, Aluminum Nitride, Aluminum Oxide, Boron Carbide, Boron Nitride, Ceramic Crucible, Ceramic Fiber, Quartz Product, Refractory Material, Silicon Carbide, Silicon Nitride, ect. 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 Insulation Silicon Nitride Bushing Si3n4 Ceramic Ring

What makes silicon nitride bushings different?
Silicon nitride offers top strength and toughness. It handles extreme heat much better than many ceramics. This material resists cracking from sudden temperature changes. It lasts longer in tough conditions.

Where are these ceramic rings used most?
They are common in high-voltage equipment. Power transmission systems use them. Electric vehicles and industrial machinery rely on them. They are vital where electricity and heat challenge parts.

Why choose silicon nitride over alumina?
Silicon nitride is stronger. It resists thermal shock far better. Alumina might crack under rapid heating or cooling. Silicon nitride handles this stress reliably. This means fewer failures.

How does it handle thermal cycling?
Its low thermal expansion helps. The material doesn’t expand or shrink much with heat changes. This reduces internal stress. Sudden temperature shifts won’t break it easily. Equipment stays safer.

Are these bushings good electrical insulators?
Yes. Silicon nitride blocks electricity very well. It keeps high voltages isolated safely. Even at high temperatures, it insulates effectively. This prevents short circuits.