Measurement of interfacial shear strength of carbon fibre/epoxy composites using a single fibre pull-out test

Shiqiang Deng, Lin Ye, Yiu Wing Mai

Research output: Journal article publicationJournal articleAcademic researchpeer-review

33 Citations (Scopus)

Abstract

Single fiber pull-out tests were conducted for G34-700/ Araldite-F, T700S/Araldite-F and T800H/Araldite-F model composites using an improved experimental set-up to evaluate the interfacial shear strength (IFSS). The modified method made it possible to reduce the formation of resin meniscusand to accurately define the embedded fibre length, and it also provided a practical approach to conveniently estimate the IFSS for comparison of the fibre-matrix adhesion between different composite systems or different fibre surface conditions. A strong interfacial adhesion and unstabledebonding process without detectable friction stages were found for all types of model composites with fibres being chemically treated/sized or sizing being removed. The electrochemical oxidation treatment and sizing on the carbon fibres noticeably increase the IFSS of the composites.

Original languageEnglish
Pages (from-to)169-182
Number of pages14
JournalAdvanced Composite Materials
Volume7
Issue number2
DOIs
Publication statusPublished - 1 Jan 1998
Externally publishedYes

Keywords

  • Carbon fibre/epoxy composites
  • Fibre-matrix adhesion
  • Fibre-matrix interface
  • Single fibre pull-out test

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanics of Materials
  • Mechanical Engineering

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