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Manufacture and Thermomechanical Characterisation of Wet Filament Wound C/C-SiC Composites

Friess, Martin and Shi, Yuan and Böyükbas, Muhammed and Vogel, Felix and Cepli, Daniel and Schatz, Oliver and Süß, Fabia (2019) Manufacture and Thermomechanical Characterisation of Wet Filament Wound C/C-SiC Composites. GFMAT-2, 21.-26. Juli 2019, Toronto, Kanada.

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Ceramic matrix composites based on wet filament winding and LSI-processing are attractive candidates (C/C-SiC) for many applications in aerospace. Therefore, commercial C-fibres and a water-based phenolic resin were used for wet filament winding on a mandrel and subsequent curing in an autoclave, followed by pyrolysis to a C-matrix and liquid silicon infiltration (LSI) to form a C-SiC-matrix. By applying wet filament winding the mechanical properties can be tailor-designed according to the chosen fibre orientation since C/C-SiC is a fibre dominant and damage tolerant CMC material. Wet filament winding was performed on a mandrel with winding angles of +/-15°, +/-30° and +/-45°, +/-60° and +/-75° were made possible by cutting samples in perpendicular direction. Tubes in wet state were cut in axial direction, flattened and cured on a flat plate without applying additional pressure, such as warm pressing, in order to obtain similar curing conditions to tubes. Mechanical and thermomechanical characterisation of flat specimen of C/C-SiC composites was performed by using an Indutherm universal testing machine using inductive heating of samples and a laser extensometer for measuring of displacement under inert conditions. Testing of tensile specimens was performed at room temperature as well as high temperatures up to 1600°C. In addition, microstructural characterization was performed by SEM.

Item URL in elib:https://elib.dlr.de/133175/
Document Type:Conference or Workshop Item (Speech)
Title:Manufacture and Thermomechanical Characterisation of Wet Filament Wound C/C-SiC Composites
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Friess, MartinMartin.Friess (at) dlr.dehttps://orcid.org/0000-0002-4425-8244
Shi, Yuanyuan.shi (at) dlr.dehttps://orcid.org/0000-0002-4210-9069
Böyükbas, MuhammedMuhammed.Boeyuekbas (at) dlr.deUNSPECIFIED
Vogel, Felixfelix.vogel (at) dlr.deUNSPECIFIED
Cepli, Danieldaniel.cepli (at) dlr.deUNSPECIFIED
Schatz, Oliveroliver.schatz (at) dlr.deUNSPECIFIED
Süß, FabiaFabia.Suess (at) dlr.deUNSPECIFIED
Date:21 July 2019
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:CMC, LSI, C/C-SiC, wet filament winding, thermomechanical characterisation
Event Title:GFMAT-2
Event Location:Toronto, Kanada
Event Type:international Conference
Event Dates:21.-26. Juli 2019
Organizer:American Ceramic Society
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 - Military Technologies (old)
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Ceramic Composite Structures
Deposited By: Friess, Dr.rer.nat. Martin
Deposited On:02 Jan 2020 11:25
Last Modified:02 Jan 2020 11:25

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