Friction material composition for high-performance brake pad

Abstract

The invention relates to a friction material composition for a high-performance brake pad, which is prepared from the following components in percentage by weight: 10-15% of ceramic fiber, 6-8% of aramid fiber pulp, 8-10% of copper powder, 3-5% of wollastonite fiber, 1.2-2.5% of flaky potassium titanate, 6-8% of cellulose fiber, 5-8% of zirconium silicate, 8-10% of vermiculite powder, 1-3% of magnesium hydroxide, 1-3% of aluminum hydroxide, 0.8-1.5% of gas-phase silicon dioxide, 6-10% of barite, 6-8% of titanium white, 5-7% of stannic sulfide, 4-5% of calcined petroleum coke, 6-8% of expanded graphite, 1-2% of nitrile-butadiene rubber and 6-10% of phenolic resin. The brake pad produced according to the formula has favorable strength and excellent wear resistance, and the integral friction factor of the brake pad is enhanced, so that the entire car has better braking performance in the high-speed traveling process and still has favorable heat face resistance after continuous braking; and the brake pad has the advantages of stable high-temperature braking performance and long service life.

Description

technical field [0001] The invention relates to an automobile brake pad, in particular to a friction material composition for a high-performance brake pad. Background technique [0002] Earlier car brake pads were asbestos-type brake pads, but it is now found that asbestos has been confirmed by the medical profession to be a carcinogen. Every time you brake, the brake pads will emit millions of asbestos fibers into the air, and the needle-like fibers can easily enter the lungs and stay there, causing irritation, which can eventually lead to the occurrence of lung cancer, but in addition to endangering health In addition to other factors, there is another important problem in asbestos brake pads. Because asbestos is heat-insulating, its thermal conductivity is particularly poor. After repeated use of the brakes, the heat will accumulate in the brake pads. After the brake pads become hot, their braking performance will change, and the same friction and braking force will be p...

AI Technical Summary

Problems solved by technology

[0003] The invention mainly solves the technical problems existing in the existing brake pads such as high wear rate, high braking noise, low thermal fading resistance, and unstable braking under high temperature.

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