INFLUENCE OF TEX LINEAR DENSITY ON MECHANICAL PROPERTIES OF 3D WOVEN I-BEAM COMPOSITES

Melisa Dincer, Muhammed Ali Vural, Emir Karci, Mert Celikturk, Ibrahim Halil Sahin, Burak Yatkin, Cagin Emre, Basak Ozkendirci, Elif Ozden Yenigun, Hulya Cebeci

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

In heterogeneous structures such as composites, load transfer is one of the most critical issues that need to be improved where poor interphase between the fiber and matrix is observed. Moreover, the weak interface between the composite plies also induces delamination behavior as a dominant failure mechanism. An innovative approach, 3D weaving, is used to eliminate delamination by improving the toughness of out-of-plane yarns in 3D woven fabrics without secondary processing required. In this study, 3D rectangular spacer fabrics were woven from E-glass fibers (GFs) with 600 and 1200 TEX linear densities at the same warp and weft densities Then, 3D composites were fabricated by vacuum infusion process (VIP) coupled with a custom-designed 3D molding. Depending on TEX, void content, fiber volume fraction, mass, and crimp values change and the effect on the specific flexural strength of I-beams has been investigated.

Original languageEnglish
Title of host publicationMaterials
EditorsAnastasios P. Vassilopoulos, Veronique Michaud
PublisherComposite Construction Laboratory (CCLab), Ecole Polytechnique Federale de Lausanne (EPFL)
Pages271-278
Number of pages8
ISBN (Electronic)9782970161400
Publication statusPublished - 2022
Event20th European Conference on Composite Materials: Composites Meet Sustainability, ECCM 2022 - Lausanne, Switzerland
Duration: 26 Jun 202230 Jun 2022

Publication series

NameECCM 2022 - Proceedings of the 20th European Conference on Composite Materials: Composites Meet Sustainability
Volume1

Conference

Conference20th European Conference on Composite Materials: Composites Meet Sustainability, ECCM 2022
Country/TerritorySwitzerland
CityLausanne
Period26/06/2230/06/22

Bibliographical note

Publisher Copyright:
© 2022 Dincer et al.

Funding

This study was funded by the Scientific and Technological Research Council of Turkey (TUBITAK: project number 218M703 (218M704)) 1003 Primary Subjects R&D Funding Program. The authors would also like to thank to the conference funding for Ms. Melisa Dincer provided by the TUBITAK 2224-A Support Program for Participation in Abroad Scientific Events.

FundersFunder number
Türkiye Bilimsel ve Teknolojik Araştırma Kurumu218M703, 218M704

    Keywords

    • 3D weaving
    • composite quality
    • flexural strength
    • structural composite
    • woven preform

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