Failure of composite sandwich beams

I. M. Daniel*, E. E. Gdoutos, K. A. Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


A thorough investigation of failure behaviour of composite sandwich beams under three- and four-point bending was undertaken. The beams were made of unidirectional carbon/epoxy facings and a PVC closed-cell foam core. The constituent materials were fully characterised and in the case of the foam core, failure envelopes were developed for general two-dimensional states of stress. Various failure modes including facing wrinkling, indentation failure and core failure were observed and compared with analytical predictions. The initiation, propagation and interaction of failure modes depend on the type of loading, constituent material properties and geometrical dimensions.

Original languageEnglish (US)
Pages (from-to)101-109
Number of pages9
JournalAdvanced Composites Letters
Issue number3
StatePublished - 2002

ASJC Scopus subject areas

  • Ceramics and Composites
  • Industrial and Manufacturing Engineering


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