Fracture behaviour of cracked carbon nanotube-based polymer composites: Experiments and finite element simulations

Y. Kuronuma, Yasuhide Shindo, T. Takeda, F. Narita

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)

Abstract

This paper studies the fracture behaviour of cracked carbon nanotube (CNT)-based polymer composites by a combined numerical-experimental approach. Tensile tests were conducted on single-edge cracked plate specimens of CNT/polycarbonate composites at room temperature and liquid nitrogen temperature (77 K), and the critical loads for fracture instabilities were determined. Elastic-plastic finite element simulations of the tests were then performed to evaluate the J-integrals corresponding to the experimentally determined critical loads. Scanning electron microscopy examinations were also made on the specimen fracture surfaces, and the fracture mechanisms of the CNT-based composites were discussed.

Original languageEnglish
Pages (from-to)87-93
Number of pages7
JournalFatigue and Fracture of Engineering Materials and Structures
Volume33
Issue number2
DOIs
Publication statusPublished - 2010 Feb 1

Keywords

  • Finite element analysis
  • Fractography
  • Fracture mechanics
  • J-integral
  • Nanocomposite
  • Toughness testing

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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