The brake disc, as one of the most important parts of the aircraft during lifting and lowering, the aircraft brake materials can be roughly divided into three categories: PM iron-based materials; PM copper based materials. The above two powder metallurgy brake materials are called steel brake. The third type is C / C composite material, also known as carbon brake.

The brake disc is an important part of the braking system, the braking force is usually derived from the brake caliper.It is a expendable mechanical parts.