Overview of NbC Niobium Carbide Powder CAS 12069-94-2 With Good
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 NbC Niobium Carbide Powder CAS 12069-94-2 With Good
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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.
(NbC Niobium Carbide Powder CAS 12069-94-2 With Good )
Parameters of NbC Niobium Carbide Powder CAS 12069-94-2 With Good
NBOB is an excellent tool for formwork and bonding, especially in mechanical joining of metals such as stainless steel, titanium, and aluminum. It also has good wear resistance, corrosion resistance, and high thermal stability. The particle size can be controlled to meet different requirements.
In terms of chemical composition, NBOB contains about 75% Ni, 15% B, and 20% O, making it a good choice for heat treatment, particularly high temperature treatment. This compound is widely used in industry for engineering applications, as well as in the automotive, aerospace, energy, and medical sectors. It is available in various forms, including powders, pellets, and ingots.
It’s important to note that while NBOB is highly effective, it may not be suitable for all types of materials or bonding applications due to its relatively high melting point (1380°C) and limited oxygen sensitivity. However, with proper selection of particle size and matching of materials, it can achieve high bond strength and durability.
(NbC Niobium Carbide Powder CAS 12069-94-2 With Good )
Applications of NbC Niobium Carbide Powder CAS 12069-94-2 With Good
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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.
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FAQs of NbC Niobium Carbide Powder CAS 12069-94-2 With Good
Q: How is NbC Niobium Carbide Powder CAS 12069-94-2 With Good produced?
A: NbC Niobium Carbide Powder CAS 12069-94-2 With Good 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 NbC Niobium Carbide Powder CAS 12069-94-2 With Good 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 NbC Niobium Carbide Powder CAS 12069-94-2 With Good 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 NbC Niobium Carbide Powder CAS 12069-94-2 With Good 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 NbC Niobium Carbide Powder CAS 12069-94-2 With Good 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.
(NbC Niobium Carbide Powder CAS 12069-94-2 With Good )
