Abstract
The carbon fiber reinforced composite materials used in sliding friction pairs was studied in the paper. A type resin matrix of epoxy CYD-128 with 4-4’ Diamond dipheny methane(DDM) was prepared, and the curing dynamics parameters under different heating rates were studied by DSC thermal analysis, the curing step as 100°C/2h+160°C/2h was assured according to the β extrapolation method; The exsistance and the content change of the characteristic functional groups in the cured epoxy resin were analysed by the Infrared spectrum of the cured epoxy resin; The carbon fibers were processed with vacuum impregnation technology after glued, and the tensile fracture of the sample was observed as well as the micro morphology by SEM. The tests showed that the tensile strength of carbon fiber composite had grown 18.9% and the compression strength increased 25.9% by vacuum impregnation, and the carbon fibers were closely combined with the epoxy resin.
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