Effect of powder synthesis processing on the microstructure and electrical conductivity of sintered CNTs/Fe/Al2O3 nanocomposites

Yong Ho Choa, Seung Hwa Yoo, Jae Kyo Yang, Jin Woo Park, Sung Tag Oh, Kae Myung Kang, Sung Goon Kang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

The microstructure and electrical conductivity of CNTs dispersed Al 2O3 nancomposites depending on the powder processing and CNTs content were demonstrated. The composite powders with homogeneous dispersion of CNTs could be synthesized by a catalytic route for direct formation of CNTs on nano-sized Fe dispersed Al2O3 powders. The sintered nanocomposite using the composite powder with directly synthesized CNTs showed homogeneous microstructure and enhanced elelctrical conductivity. The influence of powder processing on the properties of sintered nanocomposites was discussed by the observed microstructural features.

Original languageEnglish
Title of host publicationProgress in Powder Metallurgy - Proceedings of the 2006 Powder Metallurgy World Congress and Exhibition (PM 2006)
PublisherTrans Tech Publications Ltd
Pages1021-1024
Number of pages4
EditionPART 2
ISBN (Print)0878494197, 9780878494194
DOIs
StatePublished - 2007
Event2006 Powder Metallurgy World Congress and Exhibition, PM 2006 - Busan, Korea, Republic of
Duration: 24 Sep 200628 Sep 2006

Publication series

NameMaterials Science Forum
NumberPART 2
Volume534-536
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Conference

Conference2006 Powder Metallurgy World Congress and Exhibition, PM 2006
Country/TerritoryKorea, Republic of
CityBusan
Period24/09/0628/09/06

Keywords

  • AlO nanocomposites
  • Carbon nanotubes
  • Electrical conductivity
  • Microstructure

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