INVESTIGATION OF THE COATINGS APPLIED ONTO BRAKE DISCS ON DISC-BRAKE PAD PAIR
INVESTIGATION OF THE COATINGS APPLIED ONTO BRAKE DISCS ON DISC-BRAKE PAD PAIR
While braking, according to the severity of it, thermal, metallurgical, constructive and tribological occurrences emerge on the brake disc-pad interface. In this study, NiCr was sprayed as bonding layer onto the discs, one of which was coated with Al2O3-TiO2 by plasma spray and the other was coated with NiCr-Cr3C2 by High Velocity Oxygen Fuel (HVOF). In addition, the discs were tested with inertia dynamometer according to SAE's J2522 testing procedure. The measurements showed that although the pads of the coated discs were exposed to higher braking temperatures, friction coefficient of the disc coated with NiCr-Cr3C2 was obtained 6% higher compared to the original disc.
- Marmara University Turkey
Disc Thickness Variation (DTV), improving disc performance, Brake Torque Variation (BTV), coating
Disc Thickness Variation (DTV), improving disc performance, Brake Torque Variation (BTV), coating
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