Technical Specifications:
- Chemical Composition:
- Primary Ingredient: Silicon Nitride (Si₃N₄).
- Purity: 99+% (high purity with minimal impurities).
- Particle Size:
- Particle Size Range: 15–30 nm (nanometers).
- Particle Shape: Amorphous, irregular shape due to its non-crystalline structure.
- Crystal Structure:
- Structure: Amorphous, which can transition to crystalline phases (α or β-Si₃N₄) upon heat treatment.
- Thermal Properties:
- Thermal Stability: High stability at elevated temperatures.
- Melting Point: Decomposes above ~1,900°C in nitrogen atmosphere.
- Thermal Conductivity: Moderate (~30 W/m·K for bulk forms).
- Mechanical Properties:
- High hardness and excellent wear resistance in crystalline forms.
- Color: White or off-white.
Applications:
- Ceramics:
- Purpose: Enhances the mechanical strength and thermal properties of advanced ceramics.
- Application: Used in the production of wear-resistant, high-strength ceramics for aerospace, automotive, and industrial components.
- Electronics:
- Purpose: Excellent electrical insulation and thermal properties make Si₃N₄ suitable for electronic components.
- Application: Used in substrates, heat sinks, and insulating layers in high-power electronic devices.
- Thermal Management:
- Purpose: Provides effective heat dissipation for high-performance applications.
- Application: Used in thermal interface materials (TIMs) and advanced cooling systems for semiconductors and LEDs.
- Coatings:
- Purpose: Provides wear resistance, thermal stability, and chemical protection.
- Application: Applied as a coating for cutting tools, bearings, and engine components to extend service life.
- Aerospace Applications:
- Purpose: Combines low density, high strength, and thermal resistance for aerospace components.
- Application: Used in lightweight structural parts, heat shields, and thermal barrier coatings.
- Energy Storage:
- Purpose: Enhances the stability and performance of batteries and supercapacitors.
- Application: Used in lithium-ion batteries and advanced energy systems for thermal management and safety.
- Composites:
- Purpose: Reinforces composites to improve mechanical and thermal performance.
- Application: Incorporated into metal matrix composites (MMCs) and polymer composites for automotive and industrial applications.
- Biomedical Applications:
- Purpose: Biocompatibility and chemical stability make Si₃N₄ suitable for medical use.
- Application: Investigated for use in dental implants, orthopedic components, and other biomedical devices.
- Catalysis:
- Purpose: Amorphous Si₃N₄ serves as a support material or catalyst in chemical reactions.
- Application: Used in petrochemical processing and hydrogen production.
- Additive Manufacturing:
- Purpose: Enhances the properties of 3D-printed materials.
- Application: Incorporated into advanced material formulations for manufacturing high-performance components.
Key Benefits:
- High Thermal and Chemical Stability: Performs exceptionally well under extreme conditions, such as high temperatures and corrosive environments.
- Superior Wear Resistance: Ideal for abrasive and high-stress applications.
- Electrical Insulation: Excellent dielectric properties make it suitable for electronic and thermal management applications.
- Biocompatibility: Suitable for medical and dental applications.
- Nanoscale Advantages: High surface area enhances reactivity, dispersion, and performance in composites and coatings.
Silicon Nitride Nanopowder (Si₃N₄) is a versatile material for ceramics, electronics, thermal management, aerospace, and biomedical applications, offering exceptional mechanical strength, thermal stability, and electrical insulation for advanced industrial and technological advancements.
