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Helios – Modular multilayer coating based on Titanium and Niobium

Modular multilayer coating with AAI (High Ionization Arc) technology with a Titanium and Niobium-based composition

The HELIOS coating, based on Titanium Niobium Nitride, has a high-density nanocomposite structure.

It achieves extreme chemical and thermal inertness through progressive and controlled adjustment of the coating density.

The coating can be adjusted for different applications based on the deposition temperature, varying between 250° and 600°C, and thanks to the modulation of different preparation and plasma finishing steps.

 

Technical features of the coating

Coating colourHardnessElastic modulus EOxidation temp.Coeff. of friction on 100Cr6Deposition temp.Typical thickness
Light yellow2700 ± 50 HV380 ± 10 GPa>1800°C0,30250°C - 600°C1-2 µm

Coating structure

Ion Implantation

AAI technology allows for the removal of oxide traces on the surfaces to be coated. The titanium-niobium alloy is initially implanted into the material to increase corrosion resistance, regardless of the material being coated.

High-density layers

The high-ionization arc allows for the modulation of structural density and mechanical properties.

High-temperature resistant surface

Niobium nitride, predominantly present in the surface layers, gives this coating exceptional resistance in applications with high heat development.

When to use the AlTiN Nano coating

  • Chemical inertness in extremely acidic environments (H2S) for the sensor, biogas & oil, and green energy sectors;
  • Thermal battery for sensor protection in the aerospace sector;
  • Chemical-physical battery for hydrogen migration protection in the sensor sector;
  • Increased efficiency and stability of bipolar plates for electrolyzers;
  • Chip removal tools for machining copper and its alloys.