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난류용탕 in-situ 합성법에 의해 제조된 TiB<sub>2</sub> 입자강화 Cu 기지 복합재료의 특성
김정훈,윤지훈,이길근,최일동,박용호,조경목,박익민,Kim J. H.,Yun J. H.,Lee G. G.,Choi I. D.,Park Y. H.,Cho K. M.,Park I. M. 한국재료학회 2005 한국재료학회지 Vol.15 No.12
A copper matrix composite reinforced by turbulent in-situ $TiB_2$ nanoparticle was Prepared by reactions of boron ana titanium. The microstructure, mechanical and electrical properties of the as-drawn composites were investigated. The results showed that the formed $TiB_2$ particles, which had a size of about from 50 to 200nm, exhibited a homogeneous dispersion in the copper matrix. Due to their reinforcement, the hardness and Young's modulus of $Cu-TiB_2$ composites were enhanced with increasing the cooling rate. Moreover, the electrical conductivity of the composites were improved with increasing the cooling rate.