Experiments on the uniform distribution of carbon nanotubes in the copper matrix using different ball milling methods were performed. The effect of different preparation processes for carbon nanotube (CNT)-reinforced copper matrix composites on their conductivity and mechanical properties was also analyzed. High-performance carbon nanotube-reinforced copper matrix composites containing 1 vol.% CNT by the best preparation process termed flake ball milling (FBM) possess good interface bonding strength not only with CNT evenly dispersed in the copper matrix but also with the CNT morphology and structure having the utmost integrity. Tensile strength increased by 30% with an elongation of 26% and electrical conductivity of 85% IACS as compared to a pure copper block prepared from the same FBM powders.
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Acknowledgments
The authors would like to thank Z. C. Wang, Y. T. Wen and other members of the School of National Defense Science & Technology, Yanshan University. This study was supported by the National Basic Research Program of China (2010CB71600).
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Translated from Problemy Prochnosti, No. 1, pp. 164 – 171, January – February, 2015.
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Guo, C.H., Zhan, Z.J. & Zhang, D.D. Influence of Different Preparation Processes on the Mechanical Properties of Carbon Nanotube-Reinforced Copper Matrix Composites. Strength Mater 47, 143–149 (2015). https://doi.org/10.1007/s11223-015-9640-4
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DOI: https://doi.org/10.1007/s11223-015-9640-4