Niobium silicide powder is a high-melting-point, high-temperature resistant intermetallic compound with excellent high-temperature mechanical properties, oxidation resistance, and chemical stability. It is commonly used in the preparation of high-temperature structural materials, thermal barrier coatings, and composite materials. It is primarily used in the preparation of high-temperature structural materials, oxidation-resistant coatings, composite functional materials, and thermal protection components.
We supply high-purity NbSi₂ powder (99%–99.5%) with various particle sizes. Particle size distribution and specific surface area can be customized according to customer requirements. The powder is prepared using an atmosphere-protected process to ensure chemical stability and batch consistency, making it suitable for research and development as well as industrial applications. Contact us for samples.
High melting point, suitable for extreme high-temperature environments
Excellent oxidation resistance and chemical stability
Controllable particle size distribution and good dispersibility
Batch stability, suitable for research and industrial production
Customizable specific surface area and powder surface treatment
Suitable for composite materials and thermal protection coatings
High purity, low impurity content
High-temperature structural materials: Used in the preparation of high-temperature components for aerospace and industrial applications.
Oxidation-resistant coatings: Used to enhance the oxidation resistance of metal or ceramic surfaces.
Composite material reinforcing agents: Added to metal-based or ceramic-based composite materials to improve heat resistance and mechanical properties.
Thermal protection components: Used in rocket nozzles, gas turbine components, and thermal barrier coatings.
1. What is niobium silicide powder used for?
Niobium silicide (NbSi₂) powder is mainly used in high-temperature material research, advanced ceramics, intermetallic composites, and protective coating development. Its high melting point and good thermal stability make it suitable for applications requiring resistance to extreme temperatures and oxidation environments.
2. What are the key properties of niobium silicide powder?
Niobium silicide powder has several important properties, including high melting point, good thermal stability, electrical conductivity, and compatibility with high-temperature material systems. These characteristics make NbSi₂ useful for applications involving heat-resistant components and functional ceramic materials.
3. How is niobium silicide powder different from niobium metal powder?
Niobium silicide powder is an intermetallic compound composed of niobium and silicon, while niobium metal powder is elemental niobium. NbSi₂ generally offers higher-temperature stability and different electrical and mechanical properties, making it suitable for applications where compound materials are preferred.
4. What purity grades are available for niobium silicide powder?
Niobium silicide powder is typically supplied in high-purity grades for advanced research and industrial applications. The suitable purity level depends on the intended use, such as ceramic processing, coating development, or laboratory studies.
5. Is niobium silicide powder stable at high temperatures?
Yes. Niobium silicide has excellent high-temperature stability and a high melting point, which allows it to be considered for demanding thermal environments. Its performance depends on factors such as particle size, processing method, surrounding atmosphere, and application conditions.
6. How should niobium silicide powder be stored and handled?
Niobium silicide powder should be stored in a clean, dry environment in a sealed container to prevent contamination. During handling, appropriate protective equipment should be used to minimize exposure to fine powder and avoid dust generation.
7. Can ULPMAT provide customized niobium silicide powder specifications?
Yes. ULPMAT can support customized requirements for niobium silicide powder, including specifications related to purity, particle size, packaging, and technical documentation.Customers can provide application requirements so the appropriate NbSi₂ powder grade can be evaluated.
8. How do I select a reliable niobium silicide powder supplier?
Selecting a reliable niobium silicide powder supplier requires considering material purity, consistency, documentation, packaging quality, and technical support. A qualified supplier should provide clear specifications and safety documents for customer evaluation.ULPMAT supplies advanced niobium materials with SDS, technical information, and professional support for research and industrial applications.
Each batch is provided with:
Certificate of Analysis (COA)
Technical Data Sheet (TDS)
Material Safety Data Sheet (MSDS)
Third-party testing reports are available upon request.
Focusing on the production and R&D of rare intermetallic compound powders
High-purity, high-melting-point powders with batch stability
Customizable particle size, specific surface area, and surface treatment
Atmosphere-protected production for strong chemical stability
Complete testing system ensuring product performance traceability
Fast delivery, suitable for large-scale scientific research and industrial applications
Technical team provides application solutions and process guidance
Chemical Formula: NbSi₂
Molecular Weight: 149.08 g/mol
Appearance: Gray to dark gray powder
Density: ≈ 6.35 g/cm³
Melting Point: Approximately 2030 ℃
Crystal Structure: Tetragonal (C40 type structure)
Inner Packaging: Vacuum-sealed bags and boxed to prevent contamination and moisture.
Outer Packaging: Cartons or wooden crates selected based on size and weight.
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