Elastic property prediction of the stitched multi-axial warp knit fabric composites

Heoung Jae Chun, Hyung Woo Kim, Joon Hyung Byun

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In order to improve the resistances to delamination, damage tolerance, some in-plane and out-of-plane properties of composite materials, a through-thickness reinforcement must be provided. This through-thickness reinforcement is achieved by stitching multi-axial warp knit (MWK) fabrics used as preforms for the fabrication of composite materials. The MWK fabrics are constructed with layers of insertion fiber bundles in the warp, weft and bias directions. In order to correlate the microstructure of a preform with the elastic properties of stitched MWK composite, the analytical model for stitched MKW composite is developed. The overall geometry and geometric parameters of a representative volume are determined from the photomicrographs of cross sections of the fabricated composite specimens. The various elastic properties of MWK fabric composites are predicted as functions of various geometric parameters using an averaging method. The experimental results are compared with the predicted results in order to validate the suggested model. It is found that the predicted elastic properties are in reasonably good agreement with the experimental values.

Original languageEnglish
Pages (from-to)4022-4027
Number of pages6
JournalInternational Journal of Modern Physics B
Volume20
Issue number25-27
Publication statusPublished - 2006 Oct 30
Externally publishedYes

Fingerprint

elastic properties
composite materials
predictions
preforms
reinforcement
photomicrographs
bundles
insertion
damage
microstructure
fabrication
fibers
cross sections
geometry

Keywords

  • Analytical model
  • Averaging method
  • Elastic properties
  • Multi-axial warp knitted fabric

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Condensed Matter Physics

Cite this

Elastic property prediction of the stitched multi-axial warp knit fabric composites. / Chun, Heoung Jae; Kim, Hyung Woo; Byun, Joon Hyung.

In: International Journal of Modern Physics B, Vol. 20, No. 25-27, 30.10.2006, p. 4022-4027.

Research output: Contribution to journalArticle

Chun, Heoung Jae ; Kim, Hyung Woo ; Byun, Joon Hyung. / Elastic property prediction of the stitched multi-axial warp knit fabric composites. In: International Journal of Modern Physics B. 2006 ; Vol. 20, No. 25-27. pp. 4022-4027.
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