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Outlook on the potential of hybrid nonwoven from flax fibres and recycled carbon fibres

Bachmann, Jens (2018) Outlook on the potential of hybrid nonwoven from flax fibres and recycled carbon fibres. 10th International Conference on Green Composites (ICGC-10), 07.-09. Nov. 2018, Quanzhou, China.

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Fibre reinforced polymers (FRP) are important materials used in aviation due to their excellent mechanical properties combined with relatively low weight enabling the reduction of fuel consumption. For example, expensive and energy intensive carbon fibres are used in primary and secondary structures. However, all composite materials used currently in aviation have one thing in common: they are man-made. Renewable materials like bio-fibres and bio-resins are under investigation for a long time as an economically and ecologically improved alternative for composites. However, they did not made it into modern aircraft in noteworthy amounts yet. The application of ecologically improved materials is under investigation in the international research project ECO-COMPASS, a collaboration of Chinese and European partners. One aspect of the project is the improvement of the mechanical properties of natural fibre reinforced composites. [1] This presentation will give an outlook on the potential of hybrid composites made of natural fibres and recycled carbon fibres (rCF). The aim is to find a possible application for the valuable pyrolysis recycled carbon fibres that retained their very good intrinsically mechanical properties but lost their theoretical infinitesimal length [2]. Therefore, simple nonwoven have been manufactured on a small scale carding device at the German Aerospace Center (DLR). Composites have been manufactured with Single Line Infusion (SLI) method to compare different variants of reinforcements on monolithic composite level. It will be shown that the addition of recycled carbon fibres to a flax nonwoven leads to a significant increase in flexural strength and stiffness compared to a composite reinforced purely reinforced by flax fibres.

Item URL in elib:https://elib.dlr.de/123367/
Document Type:Conference or Workshop Item (Speech)
Title:Outlook on the potential of hybrid nonwoven from flax fibres and recycled carbon fibres
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Bachmann, Jensjens.bachmann (at) dlr.dehttps://orcid.org/0000-0001-7297-3272
Date:7 November 2018
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:composite; natural fibre; flax; recycled carbon fibre; nonwoven; hybrid
Event Title:10th International Conference on Green Composites (ICGC-10)
Event Location:Quanzhou, China
Event Type:international Conference
Event Dates:07.-09. Nov. 2018
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Multifunctional Materials
Deposited By: Bachmann, Jens
Deposited On:26 Nov 2018 08:48
Last Modified:20 Jun 2021 15:51

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