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Journal of Materials Science

, Volume 54, Issue 21, pp 13767–13774 | Cite as

Effect of carbon nanotubes’ addition on mechanical properties and thermal conductivity of copper

  • Konstantin BorodianskiyEmail author
Metals & corrosion
  • 84 Downloads

Abstract

A novel process of electrolytic copper alloy modification by carbon nanotubes (CNT) was investigated. Modification was carried out in traditional casting process where a specially fabricated modifier was introduced into molten metal before pouring. Mechanical properties and thermal conductivity of the obtained alloy were examined. Tensile tests evaluated that incorporation of 0.01 wt% of CNT improved ultimate tensile strength and yield strength of the alloy by 20% and 10%, respectively. Hardness of 0.01 wt% modified CNT alloy was also enhanced by 28%. Thermal conductivity tests were performed as well and evaluated the temperature-sensitive improvement by 40–50% in thermal conductivity of the modified copper alloy. Simultaneous improvement in mechanical properties and thermal conductivity of the alloy were attributed to the presence of the CNT inside the bulk of the alloy.

Notes

Acknowledgements

This work was supported by Kamin program of the Israeli Ministry of Economy (Grant No. 59112). Author would like to thank Ms. Natalia Litvak and Dr. Olga Krichevski from the Engineering and Technology Unit at the Ariel University for their help with electron microscopy investigations.

Compliance with ethical standards

Conflict of interest

The author declares no conflict of interest.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Chemical Engineering, Biotechnology and MaterialsAriel UniversityArielIsrael

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