reTHINK –„CFRP – Recycling and Sustainability …...Thomason J.L., Vlug M.A. et al: Influence...
Transcript of reTHINK –„CFRP – Recycling and Sustainability …...Thomason J.L., Vlug M.A. et al: Influence...
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Fraunhofer Research Institution for
Casting, Composite and Processing Technology IGCV
reTHINK – „CFRP – Recycling and Sustainability“
Processing routes for recycled carbon fibres
M.Sc. Michael Sauer 16.-21.11.2016
18.11.2016 @ KMITLKing Mongkut's Institute of Technology Ladkrabang,
Central Library 5th floor, Chalongkrung Road, Ladkrabang District, Bangkok 10520
21.11.2016 @ UCSIUCSI University, North Wing Campus, Taman
Taynton View Cheras, Lot 12734 Jalan Choo Lip Kung, 56000 Kuala Lumpur
16.11.2016 @ JEC AsiaSUNTEC International Convention & Exhibition Centre,
1 Raffles Boulevard, Suntec City, Singapur 039593
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First stepDefinition of Input-Wastestreams
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Dry Prepreg Laminate
Removal of matrixby
Fibre-Matrix-Separation
cdn.fibreglast.com/images/LC_Prepreg.jpg
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First stepDefinition of Input-Wastestreams
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Dry
Pre
pre
gLa
min
ate
Separation route
Processing of discontinuous(semi-finished) products ?
Direct route
cdn.fibreglast.com/images/LC_Prepreg.jpg
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Input-WastestreamsDefinition of framework conditions
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EffectiveProcessing
of rCF
Quality ofInput-
Material
Homogenityof Input-Material
ImpuritieswithinInput-
Material
Impuritiesduringprocess
AbrasivityFibre-
Shortening
Electricalconductivity
Price
Industrial Safety
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Processing of recycled carbon fibresDefinition of framework conditions
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Fibre-Length
Altstädt V.: Serientaugliche Verfahren für faserverstärkte Kunststoffbauteile (2008).
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Processing of recycled carbon fibresDefinition of framework conditions
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Fibre-Volume-Content
Kindervater C.: Technologie- und Dimensionierungsgrundlagen für Bauteile aus Faserkunststoffverbund (2004).
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Processing of recycled carbon fibresDefinition of framework conditions
Fibre-Orientation
Thomason J.L., Vlug M.A. et al: Influence of fiber length and concentration on the properties of glass fiber-reinforced polypropylene: Part 1 - Tensile and flexural modulus. Composites, 27A, pp477-484 (1996), Part 3 - Strength and strain failure. Composites, 27A pp1075-1084 (1996), Part 4 - Impact properties. Composites, 28A, pp277-288 (1997).
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Processing of recycled carbon fibresOverview of different technologies
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SMC/ BMCCompounding
Non-woven
Yarn-Building
…Patch-Processing
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Processing of recycled carbon fibresWeb-based Nonwovens
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Processing of Web-based Nonwovens
Dry Lay-upWet Lay-up
Carding AerodynamicHydrodynamic Yarn-Building„Yarn“-Building
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Web-based NonwovensWet Lay-Up
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[Pil14]
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Web-based NonwovensWet Lay-Up
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[Pil14]
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Class ical textile process ing (Example: Autefa Solutions)
Web-based NonwovensDry Carding
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„Fibre-Opening“ and first alignment Carding-Process
Additional: Stabilisation
mechanical
thermal
Semi-finished product
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Processing of recycled carbon fibresWeb-based Nonwovens – Dry Carding
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Processing of recycled carbon fibresPatch-Processing
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Cleaning/ Activation
Stabilisation(e.g. TP-Nonwoven)
ContinuousMaterial
σM = 80% vCF
E = 100% vCF
F. Manis: GaRecCa – Ganzheitliche Recycling-Prozesskette für Carbonfasergewebe & Gelegepatches. Experience Composites Augsburg. 2016
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Processing of recycled carbon fibresPatch-Processing
15 F. Manis: GaRecCa – Ganzheitliche Recycling-Prozesskette für Carbonfasergewebe & Gelegepatches. Experience Composites Augsburg. 2016
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Processing of recycled carbon fibresConclusion
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There are several interesting methods for the processing of rCF
Some needs to be adapted
Some needs to be upscaled
Some new (combinations) needs to be developed
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Processing of recycled carbon fibresContact us
Fraunhofer IGCVAm Technologiezentrum 286159 Augsburg, Germany
M.Sc. Michael SauerPhone +49 821 / [email protected]
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