Overview of Factory supply solid solution powders of tantalum-niobium carbide
Niobium Carbide (NbC) is a refractory ceramic compound composed of niobium and carbon elements, known for its exceptional hardness, high melting point, and excellent thermal and electrical conductivity. It belongs to the family of transition metal carbides, which are valued for their remarkable mechanical properties and resistance to extreme environments. Niobium carbide is a dark gray, extremely hard material that finds application in areas requiring wear resistance, high-temperature stability, and corrosion resistance.
Features of Factory supply solid solution powders of tantalum-niobium carbide
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High Melting Point: Niobium carbide has a melting point of approximately 3,400 to 3,500°C, making it suitable for high-temperature applications.
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Hardness and Wear Resistance: With a Vickers hardness in the range of 2000-2500 Hv, NbC is one of the hardest materials, providing excellent wear resistance in abrasive environments.
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Thermal Conductivity: It exhibits good thermal conductivity, facilitating heat dissipation and making it useful in high-heat-load applications.
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Chemical Stability: Niobium carbide is resistant to corrosion from most acids and alkalis, excluding hydrofluoric acid, and is stable under oxidizing conditions.
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Electrical Conductivity: Although a ceramic, niobium carbide demonstrates moderate electrical conductivity, contributing to its use in some electronic applications.
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Density: Despite its hardness, niobium carbide has a relatively high density of about 8.53 g/cm³, adding to its mass efficiency in wear-resistant coatings.
(Factory supply solid solution powders of tantalum-niobium carbide)
Parameters of Factory supply solid solution powders of tantalum-niobium carbide
The chemical formula for Tantalum-Niobium Carbide (Ticartrite) is TiO2·nN2O5, where “TiO2” represents tantalum oxide and “nN2O5” represents niobium nitride. The concentration of Talc (titanium oxide) in the powder can vary depending on the specific application, but it typically ranges from 10% to 30%.
In general, the formula for ticartrite powder is TiO2·n(N2O5), where n can range from 0.5 to 1.0, with the larger values resulting in a harder, more brittle powder that is better suited for high-stress applications such as aerospace and electronics manufacturing.
It’s important to note that the formulation of ticartrite powder can be adjusted based on the specific requirements of the application, including the desired particle size, strength, and melting point. Additionally, different types of raw materials (such as tantalum, niobium, and TiO2) may also affect the properties of the finished product.
(Factory supply solid solution powders of tantalum-niobium carbide)
Applications of Factory supply solid solution powders of tantalum-niobium carbide
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Cutting Tools and Tool Inserts: In the manufacturing of cutting and machining tools due to its wear resistance and ability to maintain sharp edges at high temperatures.
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Wear-Resistant Coatings: As a coating on metal parts exposed to severe wear conditions, such as drill bits, mining equipment, and pump components.
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Heat Shields and Furnace Components: In high-temperature furnaces and kilns due to its excellent thermal stability and resistance to oxidation.
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Electrode Materials: In some specialized electrodes for electrical discharge machining (EDM) and electrochemical processes.
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Cemented Carbides: As a component in cemented carbide composites, enhancing their toughness and wear resistance.
Company Profile
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FAQs of Factory supply solid solution powders of tantalum-niobium carbide
Q: How is Factory supply solid solution powders of tantalum-niobium carbide produced?
A: Factory supply solid solution powders of tantalum-niobium carbide is typically synthesized through the carburization of niobium metal powder or oxide at high temperatures in a reducing atmosphere or via direct reaction of niobium with carbon.
Q: Can Factory supply solid solution powders of tantalum-niobium carbide be machined?
A: Due to its extreme hardness, machining niobium carbide directly is challenging. It is often fabricated using powder metallurgy techniques, sintering, or applied as a coating through processes like chemical vapor deposition (CVD) or physical vapor deposition (PVD).
Q: Is Factory supply solid solution powders of tantalum-niobium carbide biocompatible?
A: While not extensively studied for biomedical applications, niobium-based materials generally exhibit good biocompatibility. Specific studies would be required to assess NbC’s suitability for biomedical implants.
Q: How does Factory supply solid solution powders of tantalum-niobium carbide compare to tungsten carbide in terms of hardness?
A: Both are hard materials, but tungsten carbide (WC) is slightly harder, with a typical Vickers hardness of around 2200 Hv, whereas niobium carbide ranges from 2000 to 2500 Hv.
Q: What are the main advantages of using Factory supply solid solution powders of tantalum-niobium carbide in tooling applications?
A: The advantages include increased tool life due to high hardness and wear resistance, improved heat resistance allowing for faster machining speeds, and retention of cutting edge sharpness even under high loads.
(Factory supply solid solution powders of tantalum-niobium carbide)
