Cu/CNT composite materials with enhance mechanical and thermal properties

J. F. Silvain, M. Dunant, Y. Lu, G. M. Vallet

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this present work, two methods for dispersing carbon nanotubes into the copper matrix were tested: a Solid Route process where CNTs are simply mixed with the copper powder and a Liquid Route process where CNTs are dispersed in a copper salt solution and then mixed with the metallic copper powder. Powders are sintered by uni-axial hot pressing process under vacuum atmosphere at 650°C and thermal conductivities of composite materials were measured using the laser flash method. Results are compared with a theoretical model of Nan et al. which enables to predict the thermal conductivity of materials containing CNTs. Comparison of experimental and theoretical results tends to prove that CNTs are 2D-randomly dispersed in a plane perpendicular to the pressing direction during uni-axial hot pressing process. Moreover, an increase of +7% of the thermal conductivity is shown for the composite material containing 1 vol.% of CNTs into the copper matrix.

Original languageEnglish (US)
Title of host publicationNSTI
Subtitle of host publicationAdvanced Materials - TechConnect Briefs 2015
EditorsBart Romanowicz, Matthew Laudon
PublisherTaylor and Francis Inc.
Pages384-387
Number of pages4
ISBN (Electronic)9781498747271
StatePublished - 2015
Event10th Annual TechConnect World Innovation Conference and Expo, Held Jointly with the 18th Annual Nanotech Conference and Expo, and the 2015 National SBIR/STTR Conference - Washington, United States
Duration: Jun 14 2015Jun 17 2015

Publication series

NameNSTI: Advanced Materials - TechConnect Briefs 2015
Volume1

Other

Other10th Annual TechConnect World Innovation Conference and Expo, Held Jointly with the 18th Annual Nanotech Conference and Expo, and the 2015 National SBIR/STTR Conference
CountryUnited States
CityWashington
Period6/14/156/17/15

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Fluid Flow and Transfer Processes
  • Biotechnology
  • Fuel Technology

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    Silvain, J. F., Dunant, M., Lu, Y., & Vallet, G. M. (2015). Cu/CNT composite materials with enhance mechanical and thermal properties. In B. Romanowicz, & M. Laudon (Eds.), NSTI: Advanced Materials - TechConnect Briefs 2015 (pp. 384-387). (NSTI: Advanced Materials - TechConnect Briefs 2015; Vol. 1). Taylor and Francis Inc..