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Image for: Interaction between DLC coatings and ZDDP lubricant: it all depends on the right hardness!


The ZDDP molecule from the lubricant additive (colored) is triturated between the ta-C layers (gray). Sulfur atoms are rubbed into the diamond-like carbon layer and weaken it. Right: Application example combustion engine.
The ZDDP molecule from the lubricant additive (colored) is triturated between the ta-C layers (gray). Sulfur atoms are rubbed into the diamond-like carbon layer and weaken it. Right: Application example combustion engine.

Fraunhofer Institute for Mechanics of Materials IWM

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