Friction material for passenger car carbon ceramic plate and preparation method of friction material

The invention belongs to the technical field of automobile engineering, and particularly relates to a braking technology in the field of automobile engineering, in particular to a friction material for a passenger car carbon ceramic disc and a preparation method of the friction material. The friction material comprises a metal matrix, a reinforcing material and an interface layer, wherein the metal matrix comprises a nickel-titanium alloy, the strengthening material comprises a high-temperature-resistant material and a wear-resistant material, and the interface layer comprises titanium carbide; the high-temperature-resistant material comprises carbon nanotubes, and the wear-resistant material comprises ceramic particles; the metal matrix of the friction material can integrally reduce abrasion and deformation of the brake pad, and the heat resistance and abrasion resistance of the metal matrix are improved through the strengthening material. In addition, the interface layer enhances the bonding strength betwee