Ceramic fibers are a good choice for brake pads because they have stable and predictable friction characteristics, more so than most semi-metallic materials. Ceramics provide a consistent pedal feel that is the same whether the pads are hot or cold because the coefficient of friction does not drop off as quickly as semi-metallics. NVH (noise, vibration and harshness) is also less with ceramics, so the brake pads are significantly quieter.
Ceramic compounds can be very complex and may use 18 to 20 different ingredients in a formula, including various fillers and lubricants that are added to help dampen vibrations and noise. A typical semi-metallic compound, by comparison, might contain only eight or nine ingredients.
Though semi-metallic linings generally provide better wear at higher temperatures, ceramics perform just as well, if not better, at lower temperatures for the average driver. Consequently, brake pad life is often improved.
Submitted 173 days ago...
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Submitted 173 days ago...
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