Abstract
After powder metallurgy and carbon/carbon brake materials, carbon-ceramic brake material (C/C-SiC) is a new generation of braking material. There are currently some batches of brake materials whose friction performance could be better: slightly higher than the standard. SiC was introduced into the C/C-SiC brake disc through Polymer Impregnation and Pyrolysis (PIP), and the composition and friction-wear performance C/C-SiC-SiCp were investigated. The findings indicate that the SiC introduced by PIP is amorphous, existing in the material’s pores, and the porosity is reduced to 7%. With the increase in speed, The C/C-SiC-SiCp braking curve demonstrates a transition from inverted trapezoidal to saddle-shaped. The line wear rate is reduced by 0.6 μm/cycle at medium and high speeds compared with C/C-SiC.
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