Atomfair Alpha-Phase Silicon Nitride Nanopowder, 100 nm, 99.9% Purity
Product Description
Atomfair alpha-phase silicon nitride nanopowder is supplied as light gray powder with a particle size of 100 nm, 99.9% purity. Key characteristics include thermal stability and high hardness.
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Technical Specifications
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Customization & Ordering
Custom specifications, quantities, and packaging may be available upon request. Submit the required specification and delivery timeline through Request a Quote.
Key Features and Advantages
- Thermal stability
- High hardness
- Wear resistance
APPLICATION SCOPE: Contact Atomfair for application-specific guidance.
DOCUMENTATION: COA and SDS can be provided upon request for batch-specific confirmation.
LABORATORY PROCUREMENT SUPPORT
For grade selection, particle-size confirmation, documentation support or custom specification review, contact our technical sales team.
What is the specific surface area range of Atomfair alpha-phase silicon nitride nanopowder and how does it affect sintering behavior?
The specific surface area is 10–20 m²/g. This range indicates moderate surface reactivity, which influences densification kinetics during pressureless or spark plasma sintering; higher surface area within this range can lower sintering temperatures and improve final density, but the exact effect depends on the green body preparation and sintering additives used.
Can this 100 nm alpha-phase silicon nitride nanopowder be used directly in composite ceramic formulations without additional phase stabilization?
Yes, the alpha-phase is the thermodynamically stable low-temperature polymorph of Si3N4, making it suitable as a starting powder for SiAlON or Si3N4-based composites. However, for high-temperature structural applications, the alpha-to-beta phase transformation during sintering must be controlled, and the source does not specify the transformation kinetics or the presence of sintering aids, so compatibility with your specific binder or additive system should be verified.
What handling and storage precautions are required for this 100 nm silicon nitride nanopowder to prevent agglomeration or contamination?
The product is a light gray powder with 100 nm primary particle size, which is prone to electrostatic agglomeration and moisture adsorption. Storage in a sealed, dry container under inert gas is recommended to maintain the 99.9% purity and prevent surface oxidation. A Safety Data Sheet (SDS) is available upon request for specific handling guidelines, including recommended glove materials and ventilation requirements.
Atomfair alpha-phase silicon nitride nanopowder (100 nm, 99.9% purity) offers thermal stability and high hardness suitable for advanced ceramics and composite reinforcement, but its fine particle size and alpha-phase surface chemistry require controlled handling and dispersion protocols to prevent agglomeration and maintain phase purity during processing.
Positive
- Thermal stability and high hardness: The alpha-phase silicon nitride nanopowder exhibits thermal stability and high hardness, enabling use in high-temperature structural ceramics and wear-resistant coatings where mechanical integrity under thermal load is critical.
- High purity and fine particle size: At 99.9% purity and 100 nm particle size with a specific surface area of 10–20 m²/g, the powder provides high surface reactivity and consistent composition for reproducible sintering and composite formulation.
Trade-offs
- Handling sensitivity of nanopowder: The 100 nm particle size and high specific surface area increase susceptibility to agglomeration and airborne dispersion, requiring controlled atmosphere or glovebox handling and appropriate dispersion techniques to maintain uniformity in suspensions or green bodies.
- Alpha-phase processing constraints: Alpha-phase silicon nitride requires careful sintering conditions (e.g., additives, temperature, atmosphere) to achieve full densification without phase transformation to beta-Si3N4, which may alter mechanical properties and demand specialized furnace infrastructure.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
