Friction coefficient and main performance of brake pads

Friction coefficient and main performance of brake pads
The most important performance indicator of brake pads is the coefficient of friction (the coefficient of friction is a constant). Our national standard stipulates that the brake friction coefficient is between 0.35 and 0.40. The friction coefficient of qualified brake pads is moderate and stable, if the friction coefficient is lower than 0.35, the brake will exceed the safe braking distance or even brake failure, if the friction coefficient is higher than 0.40, the brake is easy to suddenly lock, there is a rollover accident.
It is the ratio of the friction force between two surfaces to the vertical force acting on one surface. It is related to the roughness of the surface, and has nothing to do with the size of the contact area. According to the nature of motion, it can be divided into dynamic friction coefficient and static friction coefficient.
Fs/ N =μs; (N is the vertical force, μs is the coefficient of friction, fs is the friction force), generally the greater the braking force required, the greater the vertical force is required.
The main performance of brake pads
01 High performance: high coefficient of friction (such as the Porsche 911GT3 Temington brake pad friction coefficient of 0.45, a high coefficient of friction brake pads), friction resistance is very large.
02 Safety: low thermal decline, good recovery performance, braking performance does not decrease on mountain roads and under high temperature and high-speed conditions. Maximize the safety of the vehicle. Ideal for use with mountain areas, high speeds and other road conditions!
03 Comfort: braking force balance, low noise.
04 Lower powder loss rate, brake pad wear formation powder is consumed, generally low powder loss rate means that brake pads can be used for longer.