Stochastic damage evolution in textile laminates

Yuris A. Dzenis, Alexander E. Bogdanovich, Christopher M. Pastore

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A probabilistic model utilizing random material characteristics to predict damage evolution in textile laminates is presented. The model is based on a division of each ply into two sublaminas consisting of cells. The probability of cell failure is calculated using stochastic function theory and the maximal strain failure criterion. Three modes of failure, i.e., fibre breakage, matrix failure in the transverse direction, as well as matrix or interface shear cracking are taken into account. Computed failure probabilities are utilized in reducing cell stiffness based on the mesovolume concept. A numerical algorithm is developed predicting the damage evolution and deformation history of textile laminates. The effect of scatter of fibre orientation on cell properties is discussed. Weave influence on damage accumulation is illustrated using a Kevlar/epoxy laminate.

Original languageEnglish (US)
Pages (from-to)187-193
Number of pages7
JournalComposites Manufacturing
Volume4
Issue number4
DOIs
StatePublished - Dec 1993

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Laminates
Textiles
Fiber reinforced materials
Stiffness
Fibers
Statistical Models
Direction compound

Keywords

  • cell properties
  • damage evolution
  • fibre orientation
  • mesovolume concept
  • probabilistic model
  • textile laminates

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Stochastic damage evolution in textile laminates. / Dzenis, Yuris A.; Bogdanovich, Alexander E.; Pastore, Christopher M.

In: Composites Manufacturing, Vol. 4, No. 4, 12.1993, p. 187-193.

Research output: Contribution to journalArticle

Dzenis, Yuris A. ; Bogdanovich, Alexander E. ; Pastore, Christopher M. / Stochastic damage evolution in textile laminates. In: Composites Manufacturing. 1993 ; Vol. 4, No. 4. pp. 187-193.
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