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Customer Challenge:
Requirement for wear and friction reduction to enhance lifetime in modern valve train applications due to high contact pressures and low viscosity oils.
Oerlikon Solution:
Coating rocker arms with BALINIT® DLC STAR and BALIFOR® M for superior wear protection and enhanced valve train efficiency.
| Solution | Coating material | Coating technology | Coating hardness HIT [GPa] | Coefficient of friction (dry) vs. steel | Max. service temp. [°C] | Process temperature [°C] | |
|---|---|---|---|---|---|---|---|
| CrN / a-C:H | PACVD | ~15-25 | 0.1 - 0.2 | 300 | < 250 | ||
| a-C:H:W / a-C:H | PVD / PACVD | ~15-25 | 0.1 - 0.2 | 300 | < 250 |
|
|
| MoN | Sputter / Arc | 15 – 35 depending on application | - | 800 | - |
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