Custom Silicon Nitride Products Description
Silicon Nitride (Si3N4) is a widely used material across various industries due to its excellent thermal conductivity, high hardness and electrical resistance. Custom Silicon Nitride products are tailored to specific requirements for applications such as abrasives, automotive components, electronics, and power generation. These products are typically employed in high-performance environments where conventional materials, such as metals or ceramics, may fail. Custom solutions can incorporate various shapes, sizes, and purity levels to ensure the materials meet precise specifications for each application.
Custom Silicon Nitride Products Specification
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Density
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3.1-3.2 g/cm3
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Vickers Hardness
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16 GPa
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Bending Strength
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~600 MPa
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Compressive Strength
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3000 MPa
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Bending Strength
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800 MPa
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Elastic Modulus
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320 GPa
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Poisson's Ratio
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0.28
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Dimensions
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Customised
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*The above product information is based on theoretical data. For specific requirements and detailed inquiries, please contact us.
Product Offering
*We support customisations based on your drawings. Simply send us your specifications, and we will tailor the products precisely to your needs.
Custom Silicon Nitride Products Applications
- Aerospace and Defence: For components requiring high thermal resistance, wear resistance, and low weight, such as turbine blades, nozzles, and rocket components.
- Electronics and Semiconductors: Silicon nitride is essential in power electronics, diodes, transistors, and MOSFETs, providing high efficiency and thermal resistance in high voltage and high frequency devices.
- Automotive Industry: Due to its durability, heat resistance, and strength, it is utilised in braking systems, clutch components, and drivetrains of electric vehicles.
- Power Generation: Used in high-performance parts for power generation, such as heat exchangers, reactors, and solar components where resistance to extreme temperatures and corrosion is critical.
- Abrasives and Cutting Tools: Frequently used in abrasives such as grinding wheels, cutting tools, and polishing materials due to its hardness and wear resistance.
- Industrial Applications: Utilised in mechanical seals, bearings, and wear-resistant coatings, particularly in harsh environments where high-strength materials are necessary.
Custom Packaging of Silicon Nitride Products
Our products are packaged in custom boxes of various sizes based on material dimensions. Small items are securely packaged in PP boxes, while larger items are placed in custom wooden crates. We ensure strict adherence to custom packaging and the use of appropriate cushioning materials, thereby providing optimal protection during transportation.
Packaging: Cardboard, wooden crate, or customised.
Manufacturing Process
- Analysis of chemical composition - Verified with techniques such as GDMS or XRF to ensure compliance with purity requirements.
- Testing of mechanical properties - Includes tensile strength, yield strength, and elongation tests to evaluate material performance.
- Dimensional testing - Measures thickness, width, and length to ensure adherence to specified tolerances.
- Surface quality testing - Inspection for defects such as scratches, cracks, or inclusions through visual and ultrasonic testing.
- Hardness testing - Determines material hardness to confirm consistency and mechanical reliability.
FAQs about Custom Silicon Nitride Products
Q1: What are custom silicon nitride products used for?
A1: Custom silicon nitride products are employed in high-performance applications such as aerospace, automotive, electronics, power generation, and manufacturing. They are ideal for components requiring excellent thermal resistance, mechanical strength, and wear resistance, such as bearings, seals, turbine blades, and cutting tools.
Q2: Can you customise the shape and size of silicon nitride products?
A2: Yes, we offer custom silicon nitride products tailored to specific shapes, sizes, and performance requirements. Whether standard or complex geometries are needed, we can design and manufacture products to meet your precise specifications.
Q3: What benefits does using silicon nitride provide in custom applications?
A3: Silicon nitride offers excellent mechanical properties such as high hardness, thermal shock resistance, low thermal expansion, and outstanding wear and oxidation resistance. Due to these properties, it is suitable for use in extreme environments, enhancing the longevity and performance of products.
Performance Comparison Table with Competing Products
SiC vs. Si3N4
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Property
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Silicon Carbide (SiC)
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Silicon Nitride (Si3N4)
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Chemical Composition
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SiC
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Si3N4
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Density
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3.2 - 3.3 g/cm³
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3.1 - 3.3 g/cm³
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Hardness
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Very high hardness, typically around 9-9.5 on the Mohs scale.
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High hardness, around 9 on the Mohs scale.
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Thermal Conductivity
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Excellent, typically 120-150 W/m-K.
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Good, typically 30-40 W/m-K.
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Thermal Expansion
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Low (4.0 - 4.5 × 10-⁶/℃)
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Low (3.0 - 4.0 × 10-⁶/℃).
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Melting Point
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Very high, around 2,700°C.
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High, around 1,900°C.
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Toughness
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Moderate, typically 3-4 MPa-m¹/²
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High, around 5-6 MPa-m¹/².
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Strength
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High compressive strength but brittle under tension.
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High tensile strength and toughness.
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Oxidation Resistance
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Good at high temperatures, but may require protective coatings in some environments.
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Excellent, especially at high temperatures; often used in high-temperature applications.
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Wear Resistance
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Very good, especially in high-temperature environments.
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Outstanding, with low friction in mechanical applications.
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Electrical Conductivity
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Semiconducting, can be used in high-power electronics.
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Insulating, with excellent electrical insulation properties.
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