What is Nickel Chromium (Ni-Cr) Alloy Nanopowder/Nanoparticles?

Nickel Chromium (Ni-Cr) Alloy Nanopowder refers to nanoscale metallic particles composed of a binary alloy of nickel (Ni) and chromium (Cr). These nanomaterials are widely recognized for their excellent corrosion resistance, high-temperature stability, and electrical conductivity, making them suitable for use in harsh and high-performance environments.

Chemical Properties and CAS Number

  • Material: Nickel Chromium (Ni-Cr) Alloy
  • CAS Number: 11114-46-8 (Nickel-Chromium Alloy)
  • Molecular Formula: Ni-Cr (composition varies, typically Ni: 60–80%, Cr: 20–40%)
  • Particle Size: 20–100 nm (average)
  • Appearance: Grey to dark grey powder
  • Density: ~8.0 g/cm³ (varies with composition)
  • Melting Point: ~1400–1450 °C
  • Electrical Conductivity: Moderate (dependent on Ni content)
  • Thermal Stability: Excellent at elevated temperatures
  • Magnetism: Paramagnetic due to high Ni content

Applications of Nickel Chromium (Ni-Cr) Nanopowder

1. Aerospace and Turbine Components

  • Used in high-temperature coatings and structural parts for jet engines and gas turbines.
  • Enhances thermal fatigue resistance and oxidation resistance.

2. Electronic Applications

  • Used in resistive heating elements, micro-heaters, and electrical resistance wires.
  • Applicable in MEMS devices and microelectronic sensors.

3. Additive Manufacturing

  • Suitable for metal 3D printing and powder metallurgy.
  • Used in Ni-Cr-based superalloy printing for customized components.

4. Catalysis

  • Acts as a catalytic material for hydrogenation and dehydrogenation reactions.
  • Enhances chemical stability and surface reactivity.

5. Coatings & Thermal Barrier Layers

  • Employed in plasma spraying and thermal spray coatings.
  • Offers anti-corrosive and anti-oxidative protection in aggressive environments.

6. Battery & Fuel Cell Research

  • Used in electrodes for solid oxide fuel cells (SOFCs).
  • Enhances electrocatalytic properties in next-gen energy devices.

Pricing of Nickel Chromium (Ni-Cr) Nanopowder

  • Lab-Scale (≥99% purity, 100g): $150 – $400
  • Bulk Purchase (1–5 kg): $2,000 – $6,000 depending on composition and particle size
  • Custom Composition (Special Grades): Price on request

Factors Affecting Price

  • Purity and particle size distribution
  • Nickel-to-Chromium ratio (e.g., Ni80Cr20 or Ni60Cr40)
  • Production method (gas-phase, chemical reduction, mechanical milling)
  • Order volume and packaging type
  • Surface functionalization (optional oxide-free or passivated variants)

Conclusion

Nickel Chromium (Ni-Cr) Alloy Nanopowder/Nanoparticles combine the best of both metals—Nickel’s ductility and conductivity with Chromium’s high-temperature and corrosion resistance. These properties make Ni-Cr nanoparticles invaluable in thermal coatings, energy systems, electronics, and additive manufacturing.

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