METHOD FOR MANUFACTURING CARBON COMPOSITE HAVING DENSITY GRADIENT AND CARBON COMPOSITE MANUFACTURED BY THE SAME

摘要

The present invention provides a method for preparing a carbon composite material, comprising: preparing a precursor of a carbon composite material; Impregnating a part of the precursor with a resin for controlling porosity; Forming a low-density carbon composite material layer by impregnating a portion of the precursor impregnated with the resin for controlling porosity; And carbonizing another portion of the precursor using CVI or CVD to form a high-density carbon composite layer. Thereby, two conflicting physical concepts of high density and low thermal conductivity can be satisfied with one carbon / carbon composite plate.