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Synthesis of TiB2 Dispersed Cu Matrix Composite Material by the Combination of the Mechanical Milling and Plasma Activated Sintering Process
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HOME > J Korean Powder Metall Inst > Volume 14(5); 2007 > Article
기계적 밀링과 플라즈마 활성 소결법에 의한 TiB2 분산 Cu기 복합재료 제조
김경주, 이길근, 박익민
Synthesis of TiB2 Dispersed Cu Matrix Composite Material by the Combination of the Mechanical Milling and Plasma Activated Sintering Process
Kyong-Ju Kim, Gil-Geun Lee, Ik-Min Park
Journal of Korean Powder Metallurgy Institute 2007;14(5):292-297
DOI: https://doi.org/10.4150/KPMI.2007.14.5.292
1부경대학교 신소재공학부
2부경대학교 신소재공학부
3부산대학교 재료공학부
1Division of Materials Science and Engineering, Pukyong National University
2Division of Materials Science and Engineering, Pukyong National University
3Department of Materials Science and Engineering, Pusan National University
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The present study was focused on the synthesis of a TiB_2 dispersed copper matrix composite material by the combination of the mechanical milling and plasma activated sintering processes. The Cu/TiB_2 mixed powder was prepared by the combination of the mechanical milling and reduction processes using the copper oxide and titanium diboride powder as the raw material. The synthesized Cu/TiB_2 mixed powder was sintered by the plasma activated sintering process. The hardness and electric conductivity of the sintered bodies were measured using micro vickers hardness and four probe method, respectively. The relative density of Cu/TiB_2 composite material sintered at 800°C showed about 98% of theoretical density. The Cu-1vol%TiB_2 composite material has a hardness of about 130Hv and an electric conductivity of about 85% IACS. The hardness and electric conductivity of Cu-3vol%TiB_2 composite material were about 140 Hv and about 45% IACS, respectively.

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