Effects of plasma surface modification on interfacial behaviors and mechanical properties of carbon nanotube- Al2 O3 nanocomposites

  • Yan Guo
  • , Hoonsung Cho
  • , Donglu Shi
  • , Jie Lian
  • , Yi Song
  • , Jandro Abot
  • , Bed Poudel
  • , Zhifeng Ren
  • , Lumin Wang
  • , Rodney C. Ewing

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

The effects of plasma surface modification on interfacial behaviors in carbon nanotube (CNT) reinforced alumina (Al2 O3) nanocomposites were studied. A unique plasma polymerization method was used to modify the surfaces of CNTs and Al2 O3 nanoparticles. The CNT- Al2 O3 nanocomposites were processed by both ambient pressure and hot-press sintering. The electron microscopy results showed ultrathin polymer coating on the surfaces of CNTs and Al2 O3 nanoparticles. A distinctive stress-strain curve difference related to the structural interfaces and plasma coating was observed from the nanocomposites. The mechanical performance and thermal stability of CNT- Al2 O3 nanocomposites were found to be significantly enhanced by the plasma-polymerized coating.

Original languageEnglish (US)
Article number261903
JournalApplied Physics Letters
Volume91
Issue number26
DOIs
StatePublished - 2007

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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