High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical Strength and Excellent Fracture Toughness

Name: High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical Strength and Excellent Fracture Toughness
Brand: Shaanxi KeGu New Material Technology Co., Ltd
SKU: Customizable
Price: 350.00 USD
Availability: InStock

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High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical Strength and Excellent Fracture Toughness

Large Image : High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical Strength and Excellent Fracture Toughness

Product Details:

Place of Origin:	China
Brand Name:	KEGU
Model Number:	Customizable

Payment & Shipping Terms:

Price:	200-500 yuan/kg
Packaging Details:	Strong wooden box for Global shipping
Payment Terms:	L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability:	2,000 pcs/month

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High Temperature Resistant Silicon Nitride Ceramic with Exceptional Mechanical Strength and Excellent Fracture Toughness

Description

Material:	Silicon Nitride	Composition:SiC:	＞85%
Color:	Black	Density:	3.20-3.26g/cm3
Max. Service Temp:	1450℃	Flexural Strength:	250MPa
Sample:	Customizable	Chemical Stability:	High
Apparent Porosity:	0-0.1%	Elastic Modulus:	300-320GPa
Compression Strength:	>1500MPa	Vickers Hardness(HV0.5):	15-16GPa
Thermal Conductivity:	20-25W/(m.k)	Specific Resistivity:	10^14Ω·cm
Highlight:	Si3n4 Ceramics Rotating Ball , Si3n4 Ceramics Rollers Bearings , Silicon Nitride Ceramics Rotating Ball

Silicon Nitride (Si3N4) Ceramics: The Ultimate Guide to Properties, Types & Applications

Unlock Peak Performance with Advanced Silicon Nitride Ceramics
Silicon Nitride (Si3N4) stands as the premier technical ceramic material, offering the most versatile combination of mechanical, thermal, and electrical properties available. This high-performance material delivers exceptional hardness, outstanding thermal shock resistance, and superior impact resistance—making it ideal for the most demanding industrial applications.

Why Choose Silicon Nitride Ceramics?

Superior Material Properties:

Exceptional Mechanical Strength: Maintains high strength across extreme temperature ranges
Excellent Fracture Toughness: Withstands intense mechanical stress and impact
Outstanding Thermal Shock Resistance: Performs reliably through rapid temperature changes
High Wear & Corrosion Resistance: Ideal for harsh environments and abrasive conditions
Excellent Electrical Insulation: Functions as reliable insulator across temperature spectrum
Low Thermal Expansion: Maintains dimensional stability under thermal cycling

Comprehensive Property Data

Mechanical Properties

Unit	Value
Density (g/cm3)	3.21
Compressive Strength (MPa)	3000
Flexural Strength (MPa)	800
Weibull-Modulus m (-)	15
Fracture Toughness KIc (MPa m^1/2)	6.5
Young's Modulus E (GPa)	320
Poisson Ratio (-)	0.28
Hardness Vickers (HV 1) (GPa)	16

Thermal Properties

Unit	Value
Max Temp (Inert Gas) (°C)	1200
Max Temp (Air) (°C)	1100
Thermal Conductivity @ 20°C (W/mK)	28
Thermal Conductivity @ 1000°C (W/mK)	16
Thermal Expansion @ 20-100°C (10-6/K)	2
Thermal Expansion @ 20-1000°C (10-6/K)	3.5
Thermal Shock Parameter R1 (K)	600
Thermal Shock Parameter R2 (W/mm)	15

Electrical Properties

Unit	Value
Resistivity at 20°C (Ωcm)	10^12
Resistivity at 800°C (Ωcm)	10^7
Dielectric Constant (1 MHz)	6

Silicon Nitride Manufacturing Processes

Gas Pressure Sintered Silicon Nitride (GPSN)

Most popular method for high-strength components
Produces complex geometries with excellent mechanical properties
Ideal for custom components and precision applications
Suitable for rods, bearings, and engineered ceramic parts

Reaction-Bonded Silicon Nitride (RBSN)

Porous structure (70-85% density)
Excellent for high-temperature thermal shock applications
Cost-effective for specific use cases

Hot Pressed Silicon Nitride (HPSN)

Superior mechanical properties
Limited to simple shapes due to manufacturing constraints
Requires diamond grinding for complex geometries

Hot Isostatically Pressed Silicon Nitride (HIP-SN)

Highest density and mechanical performance
Premium process for critical applications
Enhanced reliability and defect reduction

Key Applications & Industries

Industrial Components:

Rotating Ball & Roller Bearings
Cutting Tools & Inserts
Engine Components (valves, rocker arm pads, seal faces)
Turbine Blades & Vanes
Welding & Brazing Jigs
Heating Element Components & Protection Tubes

Specialized Applications:

Induction Heating Coil Supports
Crucibles & Metallurgical Containers
Metal Tube Forming Rolls and Dies
TIG / Plasma Welding Nozzles
Thermocouple Sheaths & Tubes
Semiconductor Process Equipment

Custom Manufacturing & Machining Capabilities

Precision Manufacturing:

Maximum diameter: 430mm
Maximum length: 1350mm
Full customization available
Green-state and dense machining
Diamond grinding for tight tolerances

Machining Services:

Green-state machining for complex geometries
Diamond tool machining for sintered components
Precision grinding for tight tolerance requirements
Custom component design and fabrication

Technical Advantages Summary

Performance Benefits:

Superior to metals in high-temperature capabilities
Excellent creep and oxidation resistance
Low thermal conductivity with high wear resistance
Mechanical fatigue resistant
Lightweight with high stiffness
Good chemical corrosion resistance

Industry Solutions:

Perfect for applications requiring high-temperature and high-load capabilities
Ideal for thermal shock prone environments
Excellent for wear-resistant components
Superior electrical insulation in demanding conditions

Tag:

Contact Person: Ms. Yuki

Tel: 8615517781293

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