| abstract |
The present invention relates to a metal matrix-nanocarbon composite having a non-stoichiometric phase structure between metal atoms and carbon atoms, and a manufacturing method therefor. According to the present invention, carbon atoms formed by the decomposition of a nanocarbon material inside a metal matrix are solid-dissolved in an infiltration or substitution form in a metal lattice, so that a supersaturated metal-carbon bonding phase of a non-stoichiometric phase is formed and the formation of carbides is controlled to be suppressed, and thus a manufactured metal-carbon composite can exhibit ultra-high strength properties. Therefore, if the present invention is applied to a lightweight metal, a high-strength lightweight material in which the mechanical properties, such as tensile strength and hardness, of the lightweight metal are remarkably improved can be manufactured. |