Fabrication and thermal properties of carbon nanotube/nickel composite by spark plasma sintering method

Akira Kawasaki, Shunsuke Yamanaka, Hiroki Sakamoto, Yutaka Mekuchi, Masaki Kuno, Takayuki Tsukada

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

1 Citation (Scopus)

Abstract

Multiwall carbon nanotube (MWNT) materials are attractive because they possess excellent thermal conductivity and mechanical properties. However, few reports exist that focus on improving the thermal conductivity of MWNT by combining it with a metal matrix. Thus to improve the thermal conductivity, a nickel-matrix composite with MWNT was prepared by slurry mixing process using ethanol as a solvent. Using spark plasma sintering (SPS), MWNT/Nickel nanocomposites were fabricated and the fabrication conditions were investigated. The sintered relative densities of the composites containing up to 5vol% of MWNT were above 99%. The thermal and electrical behaviors of the MWNT/Nickel composites were determined using the laser flash and van der Pauw methods, respectively, and were found to be anisotropic. The thermal conductivity was found to increase by 10% for the composition with 3vol% MWNT.

Original languageEnglish
Title of host publicationAdvances in Powder Metallurgy and Particulate Materials - 2008, Proceedings of the 2008 World Congress on Powder Metallurgy and Particulate Materials, PowderMet 2008
Pages9317-9325
Number of pages9
Publication statusPublished - 2008 Dec 1
Event2008 World Congress on Powder Metallurgy and Particulate Materials, PowderMet 2008 - Washington, DC, United States
Duration: 2008 Jun 82008 Jun 12

Publication series

NameAdvances in Powder Metallurgy and Particulate Materials - 2008, Proceedings of the 2008 World Congress on Powder Metallurgy and Particulate Materials, PowderMet 2008

Other

Other2008 World Congress on Powder Metallurgy and Particulate Materials, PowderMet 2008
Country/TerritoryUnited States
CityWashington, DC
Period08/6/808/6/12

Keywords

  • Carbon nanotube
  • Electrical conductivity
  • Metal matrix composite
  • Nanocomposite.
  • Spark plasma sintering
  • Thermal conductivity

ASJC Scopus subject areas

  • Metals and Alloys
  • Surfaces and Interfaces

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