Effective elastic, piezoelectric and dielectric properties of braided fabric composites

X. Ruan, Ahmad Safari, T. W. Chou

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Composites based upon 3D textile preforms have found broad structural application. This paper presents an analytical methodology for functional composites using piezoceramic fibers in a 3D braided preform. The effective elastic, piezoelectric and dielectric properties of 2-step braided composites with a polymeric matrix have been investigated. In the analytical approach, the effective properties of the braider and axial yarns of the unit cells are determined first using a 3D connectivity model. Then, the effective properties of the 2-step braided composite are predicted using an averaging technique. Results of a numerical example illustrating the variation of elastic, piezoelectric and dielectric constants with the braider yarn angle are provided. Textile preforming technique in general offers the potential of near net shape forming and 3D fiber placement. The present work provides the analytical basis for 3D piezoceramic textile composites.

Original languageEnglish (US)
Pages (from-to)1435-1444
Number of pages10
JournalComposites Part A: Applied Science and Manufacturing
Volume30
Issue number12
DOIs
StatePublished - Jan 1 1999

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Dielectric properties
Composite materials
Textiles
Yarn
Preforming
Fibers
Permittivity

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Ceramics and Composites

Cite this

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title = "Effective elastic, piezoelectric and dielectric properties of braided fabric composites",
abstract = "Composites based upon 3D textile preforms have found broad structural application. This paper presents an analytical methodology for functional composites using piezoceramic fibers in a 3D braided preform. The effective elastic, piezoelectric and dielectric properties of 2-step braided composites with a polymeric matrix have been investigated. In the analytical approach, the effective properties of the braider and axial yarns of the unit cells are determined first using a 3D connectivity model. Then, the effective properties of the 2-step braided composite are predicted using an averaging technique. Results of a numerical example illustrating the variation of elastic, piezoelectric and dielectric constants with the braider yarn angle are provided. Textile preforming technique in general offers the potential of near net shape forming and 3D fiber placement. The present work provides the analytical basis for 3D piezoceramic textile composites.",
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Effective elastic, piezoelectric and dielectric properties of braided fabric composites. / Ruan, X.; Safari, Ahmad; Chou, T. W.

In: Composites Part A: Applied Science and Manufacturing, Vol. 30, No. 12, 01.01.1999, p. 1435-1444.

Research output: Contribution to journalArticle

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