Numerical modelling of the damage modes in UD thin carbon/glass hybrid laminates

Meisam Jalalvand, Gergely Czél, Michael R. Wisnom

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

This paper proposes a new FE-based approach for modelling all of the possible damage modes in glass/carbon UD hybrid laminates in tensile loading. The damage development is modelled by two sets of cohesive elements, (i) periodically embedded in the carbon layer for modelling carbon fibre failure and (ii) at the glass/carbon interface to capture delamination. The analysis is stopped when the glass layer failure is predicted by integrating the stress distribution over the glass layer to calculate an equivalent stress for unit volume of the glass. The proposed method is validated against the experimental results and then used to simulate the progressive damage process of other hybrid configurations and finally produce a damage-mode map for this material set. The method can easily be applied to other hybrids to assess their performance by producing damage-mode maps.

LanguageEnglish
Pages39-47
Number of pages9
JournalComposites Science and Technology
Volume94
Early online date24 Jan 2014
DOIs
Publication statusPublished - 9 Apr 2014

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Laminates
Carbon
Glass
Delamination
Chemical elements
Carbon fibers
Stress concentration

Keywords

  • A. hybrid composites
  • B. delamination
  • B. fragmentation
  • C. finite element analysis
  • thin-ply layer

Cite this

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abstract = "This paper proposes a new FE-based approach for modelling all of the possible damage modes in glass/carbon UD hybrid laminates in tensile loading. The damage development is modelled by two sets of cohesive elements, (i) periodically embedded in the carbon layer for modelling carbon fibre failure and (ii) at the glass/carbon interface to capture delamination. The analysis is stopped when the glass layer failure is predicted by integrating the stress distribution over the glass layer to calculate an equivalent stress for unit volume of the glass. The proposed method is validated against the experimental results and then used to simulate the progressive damage process of other hybrid configurations and finally produce a damage-mode map for this material set. The method can easily be applied to other hybrids to assess their performance by producing damage-mode maps.",
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Numerical modelling of the damage modes in UD thin carbon/glass hybrid laminates. / Jalalvand, Meisam; Czél, Gergely; Wisnom, Michael R.

In: Composites Science and Technology, Vol. 94, 09.04.2014, p. 39-47.

Research output: Contribution to journalArticle

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