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An Introduction to the Mechanics of 3D-Woven Fibre Reinforced Composites
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Lightweight Structures.
2009 (English)Licentiate thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Stockholm: Institutionen för Farkost och Flyg , 2009. , 29 p.
Series
Trita-AVE, ISSN 1651-7660 ; 2009-20
Keyword [en]
3D weave, 3D reinforcement, Textile Composites, Mechanical properties, crimp
National Category
Composite Science and Engineering
Identifiers
URN: urn:nbn:se:kth:diva-10235ISBN: 978-91-7415-295-1 (print)OAI: oai:DiVA.org:kth-10235DiVA: diva2:211960
Presentation
2009-05-08, S40, Teknikringen 8, Stockholm, 13:15 (English)
Opponent
Supervisors
Projects
MOJO
Note
QC 20120131Available from: 2009-05-06 Created: 2009-04-20 Last updated: 2012-01-31Bibliographically approved
List of papers
1. Assessment of the mechanical properties of a new 3D woven fibre  composite material
Open this publication in new window or tab >>Assessment of the mechanical properties of a new 3D woven fibre  composite material
2009 (English)In: Composites Science And Technology, ISSN 0266-3538, E-ISSN 1879-1050, Vol. 69, no 11-12, 1686-1692 p.Article in journal (Refereed) Published
Abstract [en]

Fully interlaced 3D fabric is produced by a new weaving technology, and it is here utilised to produce woven carbon fibre preforms, which are then used as reinforcement in composite materials. The purpose of this study is to assess the mechanical performance of this new type of composite material. A prototype loom was used to weave preforms with a rectangular cross-section where all warp and weft yarns were fully interlaced in plain weave. Tensile, compressive, out-of-plane, shear and flexural properties of the composite flat beam specimens were tested. The in-plane stiffness and strength were found to be lower, while the out-of-plane properties were higher compared to conventional 2D laminates. In terms of strength, it was not possible to quantify the difference, since the specimens with 3D woven material exhibited other failure modes than those tested for.

Place, publisher, year, edition, pages
Elsevier, 2009
Keyword
3D weaves, textile composites, mechanical properties
National Category
Composite Science and Engineering
Identifiers
urn:nbn:se:kth:diva-10233 (URN)10.1016/j.compscitech.2008.04.047 (DOI)000268522500003 ()2-s2.0-67649121747 (Scopus ID)
Projects
MOJO
Note

QC 20101029. Uppdaterad från In press till Published (20101029). QC 20150729. QC 20160129

Available from: 2009-04-20 Created: 2009-04-20 Last updated: 2016-01-29Bibliographically approved
2. Influence of Crimp on 3D-woven Fibre Reinforced Composites
Open this publication in new window or tab >>Influence of Crimp on 3D-woven Fibre Reinforced Composites
2013 (English)In: Composite structures, ISSN 0263-8223, Vol. 95, 114-122 p.Article in journal (Refereed) Published
Abstract [en]

Three analytical models are developed for prediction of the longitudinal Young's modulus of carbon fibre composite materials containing fully interlaced 3D-woven textile reinforcement. Two of the non-linear models utilise rods and springs and are designed to handle an idealised periodic repetitive volume element of the composite material. For validation, an experimental study is performed, and a more detailed model is built using existing textile software (TexGen and WiseTex). All models are employed to explore the effect of three-dimensional yarn crimp on the longitudinal Young's modulus, and they give at hand that the longitudinal stiffness decreases non-linearly with increasing crimp. One of the proposed models agrees particularly well with the experimental results but there are also a few sources of discrepancy, such as shape distortions in the textile architecture.

Keyword
3D weave, Carbon fibre composite materials, Crimp, Detailed models, Experimental studies, Fibre reinforced composites, Longitudinal stiffness, Longitudinal Young's modulus, Non-linear model, Shape distortions, Textile composite, Volume elements, Woven textiles
National Category
Vehicle Engineering Textile, Rubber and Polymeric Materials
Identifiers
urn:nbn:se:kth:diva-10234 (URN)10.1016/j.compstruct.2012.07.022 (DOI)000311859400014 ()2-s2.0-84868120835 (Scopus ID)
Note

QC 20121207

Available from: 2009-04-20 Created: 2009-04-20 Last updated: 2013-01-09Bibliographically approved

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CiteExportLink to record
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Citation style
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