Effect of Cu-Ti-C Reaction Composition on Reinforcing Particles Size of TiC_x/Cu Composites

查看全文 作　　者：[1]张冬冬;GULI [1]Hao;LUO [1]Jingfeng;WU [1]Chao;[1]王金国

机构地区：[1]Key Laboratory of Automobile Materials of Ministry of Education, Department of Materials Science and Engineering, Jilin University

出　　处：《Journal of Wuhan University of Technology(Materials Science)》索引2018年第33卷第1期,共6页

摘　　要：TiC_x/Cu composites were fabricated by combustion synthesis and hot press technology. Using XRD, SEM, EDS, FESEM analysis methods, the effects of various carbon sources and different Cu contents on the microstructures of TiC_x/Cu composites and the size of TiC_x particles were investigated. Results showed that TiC_x reinforcing particles size increases with decreasing Cu content in Cu-Ti-C reaction system. With carbon nanotubes(carbon black) serving as carbon source, the generated TiC_x particles size transits from nanometer to submicron when Cu content corresponding to the reaction system is reduced to 60 vol%(70 vol%); while graphite serves as carbon source, there is no clear limiting concentration. C particles with smaller size, larger specific surface area and better distribution result in finer TiC_x particles, which is more beneficial to generating nano-sized TiC_x/Cu composites. 关键词：粒子尺寸反应系统 FESEM 燃烧合成微观结构 nano 碳黑出版社

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Effect of Cu-Ti-C Reaction Composition on Reinforcing Particles Size of TiC_x/Cu Composites

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