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BALIFOR T The ta-C solution for high temperature environments in the automotive industry


In some applications, BALINIT® DLC (Diamond-like-Carbon) coatings may reach their limits with respect to their operating temperatures exceeding more than 350° C, intermittently dry running and due to their incompatibility to aggressive additives (e.g. high concentration-MoDTC). Where BALINIT® DLC cannot meet the requirements, the ta-C-coating from Oerlikon Balzers, BALIFOR™ T, is the solution.

Coating material ta-C
Coating technology Arc
Coating colour black
Coating hardness HIT [GPa]* > 40
Coefficient of friction (dry) vs. steel** 0.1 - 0.2
Max. service temp. [°C]**** 450
Typical coating thickness [µm] 1 - 2
General remark All given data are approximate values, they depend on application, environment and test condition.
*Coating hardness HIT [GPa] Measured by nano indentation according to ISO 14577. For multilayers the hardness of the different layers varies. Hardness can be adapted to the application.
**Coefficient of friction (dry) vs. steel Determined by ball-on-disc test in dry condition with an Steel ball according to ASTM G99. During run-in the given values may be exceeded.
****Max. service temp. [°C] These are approximate values out of the field. Due to thermodynamic laws there is a dependency of pressure in application.

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