발간논문

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Vol.49, No.12, 1001 ~ 1005, 2011
Title
Low-temperature Synthesis of (TiC+Al2O3) Reinforced Al Matrix Composite Based on Self-combustion Reaction
이정무 Jung Moo Lee , 김수현 Su Hyeon Kim , 조영희 Young Hee Cho , 김제우 Je Woo Kim , 이재철 Jae Chul Lee
Abstract
The formation of TiC and Al2O3 particles based on the self-combustion reaction of the Al-TiO2-CCuO system in an Al alloy melt was investigated. With an adequate amount of CuO in the system, a spontaneous reaction occurred within the Al alloy melt at 850℃ and thereafter was self-maintained, producing an Al matrix composite reinforced with thermodynamically stable TiC and Al2O3 particles. TiC and Al2O3 particles contributed to a considerable increase in the strength and stiffness, demonstrating the feasibility of this method as a practical application for structural parts.
Key Words
metal matrix composite, self-combustion reaction, in-situ reaction synthesis
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