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High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter
High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter
High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter
High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter
High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter
High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter
Specifications
Certification :
ISO9001
Weight :
Depends on size and material density
Price :
$1.5~$5000 Per Piece
Packaging Details :
Wooden Cages or Heavy Carton
Thermal shockresistance :
High
Temperatureresistance :
Up to 1400°C or higher
Usage :
industrial, semiconductor, and mechanical applications
Place of Origin :
Handan
Material :
Silicon Nitride
Shape :
Customized
Supply Ability :
200 Pieces per Month
Surface Roughness :
Ra0.3
Color :
Typically Black or Grey
Brand Name :
Norcera
Type :
Custom Ceramic Shaft
MOQ :
1 Piece
Durability :
High durability under high temperature conditions
Payment Terms :
T/T
Tolerance :
±0.02mm
Finish :
Smooth Surface
Delivery Time :
10-15 Work Days
Chemical resistance :
Resistant to acids, alkalis, and molten metals
Size :
Various sizes available
Description

High Toughness Wear‑Resistant Silicon Nitride (Si₃N₄) Thread Ceramic Shaft


High-precision silicon nitride ceramic shaft features high toughness, ultra wear resistance, low friction and excellent thermal shock stability. With lightweight structure, good electrical insulation and corrosion resistance, this Si3N4 ceramic shaft runs stably under high-speed, high-temperature and corrosive working conditions. Custom diameter, length and strict tolerance machining are available.

Silicon Nitride Shaft

Our silicon nitride ceramic shafts are high-performance structural ceramic mandrels manufactured by advanced gas-pressure sintering and precision grinding process. Different from brittle ordinary ceramics, silicon nitride material perfectly combines high hardness and superior fracture toughness, effectively avoiding breakage and cracking during high-speed operation and heavy load working.
Compared with traditional metal shafts, silicon nitride ceramic shafts have lower density, smaller centrifugal force and lower friction coefficient during rotation. They maintain stable mechanical strength at continuous high temperature, resist oxidation and most acid & alkali corrosion. Meanwhile, the non-magnetic and insulating properties make them perfectly suitable for special equipment scenarios where metal parts cannot work normally.




High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter



Si3N4 Ceramic Parts are a man made compound synthesized through several different chemical reaction methods. they are pressed and sintered by well developed methods to produce a ceramic with a unique set of outstanding properties. The material is dark gray to black in color and can be polished to a very smooth reflective surface, giving parts with a striking appearance.


High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter

■ Superior High-temperature Stability

Supports continuous working temperature up to 1200°C and short-term extreme temperature resistance up to 1400°C. No softening, deformation or structural failure under long-term high-temperature service, far exceeding metal and ordinary ceramic tubes / pipes.
■ Excellent Thermal Shock Resistance
Outstanding resistance to rapid heating and cooling. The integrated dense sintered structure effectively resists temperature impact, avoiding cracking and peeling caused by thermal stress, greatly improving service life in cyclic temperature working conditions.
■ High Fracture Toughness & Structural Strength
Higher bending strength and impact toughness than traditional oxide ceramics. It is not easy to crack or break under vibration, pressure and mechanical impact, ensuring stable structural support and protection performance.
■ Excellent Corrosion & Erosion Resistance
Inert chemical property, resistant to most acids, alkalis, high-temperature flue gas and molten metal erosion. No chemical precipitation or pollution, suitable for high-purity production and harsh corrosive environments.
■ Good High-temperature Insulation & Low Expansion
Reliable electrical insulation performance at high temperature. Low thermal expansion coefficient ensures stable tube size and fitting accuracy during temperature changes, avoiding loose fitting and failure.

High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter

Main Applications:

High-temperature furnace protection tubes, thermocouple insulating sleeves, metallurgical molten metal conveying and shielding tubes, semiconductor thermal processing equipment, new energy high-temperature modules, chemical anti-corrosion piping and industrial high-temperature insulating structural parts.


High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter


High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter

Silicon Nitride Material Sheet

Properties Units Silicone Nitride
Mechanical Density gm/cc 3.2
Porosity % 0
Flexural Strength Mpa 830
Compressive Strength Mpa 2500
Elastic Modulus Gpa 310
Poisson's Ratio / 0.27
Hardness kg/mm2 1580
Fracture Toughness KIC Mpa *m 1/2 6.1
Thermal Heat Conductivity W/ m*k 30
Coefficient of Thermal Expansion 10⁻⁶/K 3.3
Specific Heat j/kg*K /
Thermal Shock Resistance °C /
Max UseTemperature °C 1400
Electrical Dielectric Strength ac-kv/mm /
Dielectric Constant / 8
Loss Tangent / /
Volume Resistivity ohm•cm >1014



High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter

High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter

Features:

● High Hardness
Silicon nitride exhibits extremely high hardness, making it suitable for fields such as wear-resistant and cutting tools.

● Excellent Wear Resistance
Silicon nitride ceramic exhibits outstanding wear resistance, making it suitable for applications in high-wear environments.

● Superior Insulating Performance
Silicon nitride ceramic possesses excellent electrical insulation properties and chemical stability, making it widely used in the electronics and semiconductor industries.

● High Temperature Stability
It can maintain stability in high-temperature environments, making it suitable for applications like high-temperature heaters and furnaces.

High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter

Applications:
Rotating ball bearings and rollers bearings
Cutting tools
Engine components: valves, rocker arm pads, seal faces
Induction heating coil supports
Turbine blades, vanes, buckets
Welding and brazing jigs
Heating element components
Crucibles
Metal tube forming rolls and dies
TIG / Plasma welding nozzles
Weld positioners
Precision shafts and axles in high-wear environments
Thermocouple sheaths and tubes
Semiconductor process equipment


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High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter

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Product Detail
Certification :
ISO9001
Weight :
Depends on size and material density
Price :
$1.5~$5000 Per Piece
Packaging Details :
Wooden Cages or Heavy Carton
Thermal shockresistance :
High
Temperatureresistance :
Up to 1400°C or higher
Contact Supplier
High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter
High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter
High Toughness Silicon Nitride Si₃N₄ Thread Ceramic Shaft Indenter

Norceramic New Materials (Beijing) Co., Ltd

Verified Supplier
1 Years
beijing, beijing
Since 2017
Business Type :
Manufacturer, Distributor/Wholesaler
Main Products :
Custom Ceramic Parts, Full Ceramic Bearing, Precision Ceramic Balls
Employee Number :
80~120
Certification Level :
Verified Supplier
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