Overview of Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2
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 Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2
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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.
(Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2)
Parameters of Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2
The given information is in Chinese, so it seems that you might be looking for Niobium carbide, which has a Chemical symbol of NbC and aCAS number of 12069-94-2. Here’s a brief overview of what this material is:
* niobium: It’s a chemical element with the atomic number 54.
* carbide: It’s a type of solid that is made by combining carbon atoms with nitrogen atoms to form compounds.
As for the “wear-resistant thin films” mentioned in your question, it seems like you might be referring to a specific type of niobium carbide film that can withstand wear and tear without breaking down easily. Without more context or information about the desired application, it’s difficult to provide a specific answer. However, niobium carbide is known for its high strength-to-weight ratio, excellent thermal stability, and ability to form strong bonds with other materials. These properties make it an attractive choice for a variety of applications, including aerospace, automotive, and medical devices.
(Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2)
Applications of Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2
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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 Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2
Q: How is Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2 produced?
A: Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2 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 Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2 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 Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2 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 Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2 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 Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2 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.
(Niobium Carbide (NbC) for Wear Resistant Thin Films CAS 12069-94-2)
