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Toughening and reinforcing alumina matrix composite with single-wall carbon nanotubes

  • Jin Peng Fan
  • , Da Ming Zhuang*
  • , Da Qing Zhao
  • , Gong Zhang
  • , Min Sheng Wu
  • , Fei Wei
  • , Zhuang Jun Fan
  • *Corresponding author for this work
  • Tsinghua University

Research output: Contribution to journalArticlepeer-review

Abstract

The authors report an efficient way of incorporating single-wall carbon nanotubes (SWNTs) into alumina matrix with strong interfaces by heterocoagulation. The fracture toughness of SWNTs/Al2O3 composite reaches 6.40±0.3 MPa m1/2, which is twice as high as that of unreinforced alumina. The flexure strength of the composite also increases by 20%. The main toughening mechanism is crack bridging of SWNTs, and SWNT pullout takes effect also.

Original languageEnglish
Article number121910
JournalApplied Physics Letters
Volume89
Issue number12
DOIs
Publication statusPublished - 2006
Externally publishedYes

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