What is Hafnium Carbide (HfC) Nanopowder/Nanoparticles?

Hafnium Carbide (HfC) Nanopowder is a refractory ceramic compound composed of hafnium and carbon atoms. Recognized as one of the most thermally stable materials known, with a melting point exceeding 3900°C, HfC nanoparticles are used in extreme temperature applications, aerospace components, and nuclear technologies. Its high hardness, chemical inertness, and electrical conductivity make it a valuable nanomaterial in various advanced engineering fields.

Chemical Properties and CAS Number

• Chemical Formula: HfC
• CAS Number: 12069-85-1
• Molecular Weight: 190.50 g/mol
• Particle Size: 20–100 nm (typical)
• Purity: 99% – 99.9%
• Color: Gray to black powder
• Density: 12.2 g/cm³
• Melting Point: ~3890°C
• Hardness (Vickers): ~2100 HV
• Electrical Conductivity: Good (metal-like)

Applications of Hafnium Carbide (HfC) Nanoparticles

1. Aerospace and Hypersonic Vehicles

Used in thermal protection systems (TPS) for spacecraft, rocket nozzles, and hypersonic leading edges due to its ultra-high-temperature resistance.

2. Nuclear Industry

Applied in nuclear fuel coatings and control rods, benefiting from its neutron absorption capabilities and stability under irradiation.

3. Hard Coatings and Cutting Tools

Acts as a hard-wearing coating material for drill bits, inserts, and plasma arc electrodes, enhancing wear resistance and lifespan.

4. Refractory Applications

Used in crucibles, heat shields, and refractory linings for furnaces that operate under extreme heat.

5. Electronic and Semiconductor Components

HfC is explored in field emission devices and as a cathode material for high-power applications.

Price Range (Indicative)

• Small Quantities (Lab Use): $400 – $900 per 100 grams
• Bulk Orders (Industrial Use): $3,000 – $7,000 per kilogram
• Customized Grades: Pricing depends on particle size, purity, and surface treatment

Pricing Factors

• Purity level (standard vs. ultra-high purity)
• Nanoparticle size and distribution
• Surface modification (functionalized or coated)
• Bulk quantity and packaging
• Shipping and storage (inert atmosphere packaging often required)

Conclusion

Hafnium Carbide (HfC) Nanopowder is a cutting-edge material suited for the most demanding thermal, mechanical, and chemical environments. Its ultra-high melting point, electrical conductivity, and structural stability make it ideal for aerospace, nuclear, refractory, and advanced coating applications.