Porsche Surface Coated Brake (PSCB)
The world-first Porsche Surface Coated Brake (PSCB), a brake with an external coating, debuts in the new production Porsche Cayenne Turbo. Its surface is composed of ditungsten carbide (WC). Tungsten and carbon combine to form a crystal so hard that glass can be cut. Tungsten carbide is one of the hardest materials in the world after diamond, about ten times harder than cast iron. It is this quality that is of particular interest to developers of braking systems.
First of all, the new PSCB brakes will only be fitted as standard to the new Cayenne Turbo. This is available as an option for all subsequent new Cayennes. Are PSCB brakes the perfect combination of strength, beauty and economy, the ultimate in brake design? Matthias Leber shakes his head: “The progressive electrification of cars will create completely new forms of brakes. Regenerative braking is itself an absolutely wear-resistant form of deceleration and becomes of particular interest to us. After all, this way you can cope with 90% of all normal braking processes.
We need to keep doing research.” Ultimately, fast cars need fast brakes. Therefore, Porsche brakes can never be fast enough to make them even faster.
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