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Gas Turbine Compressors

BALINIT® TURBINE PRO multilayer coatings are preferably used for turbine compressor stage blades due to their outstanding protection against abrasive wear, solid particle erosion and liquid droplet erosion. Thin PVD coatings like BALINIT® PROTEC are the ideal solution for compressors due to their excellent erosion and corrosion resistance.

Advantages: Oerlikon Balzers PVD coatings protect compressor blades against erosion and corrosion to improve fuel efficiency and maintains the surface finish of the blades resulting in longer lifetime compared to other coatings.

Solution Coating material Coating technology Coating hardness HIT [GPa] Coefficient of friction (dry) vs. steel Max. service temp. [°C] Process temperature [°C]
TiAlN Arc 32 +/- 2 ~0.6 700 < 500
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AlN-based Arc 20 +/- 1 - 1200 < 500
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TiN Arc 30 +/- 3 ~0.6 600 < 500

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