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  4. Fully-integrated carbon nanotube epoxy film sensors for strain sensing in GFRP
 
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Fully-integrated carbon nanotube epoxy film sensors for strain sensing in GFRP

Citation Link: https://doi.org/10.15480/882.5005
Publikationstyp
Conference Paper
Date Issued
2022-06
Sprache
English
Author(s)
Buggisch, Christina  
Felmet, Nils  
Gibhardt, Dennis  
Fiedler, Bodo  orcid-logo
Institut
Kunststoffe und Verbundwerkstoffe M-11  
TORE-DOI
10.15480/882.5005
TORE-URI
http://hdl.handle.net/11420/15015
Volume
6
Start Page
216
End Page
223
Citation
ECCM 2022 - Proceedings of the 20th European Conference on Composite Materials: Composites Meet Sustainability 6: 216-223 (2022)
Contribution to Conference
20th European Conference on Composite Materials, ECCM 2022  
Publisher Link
https://infoscience.epfl.ch/record/298799
Scopus ID
2-s2.0-85149385903
Publisher
Composite Construction Laboratory
Structural health monitoring of fiber-reinforced polymer composites becomes more important to ensure a safe and reliable operation. This work demonstrates a method for local matrix modification of glass fiber-reinforced polymers with fully-integrated pre-cured carbon nanotube epoxy thin-film sensors enabling a piezo-resistive strain and damage monitoring. The film sensors were manufactured using a manual film applicator, partially pre-cured for 48 h under lab conditions, cut to shape, and placed on dry glass fiber fabrics before infusion in a resin transfer molding process. Three-point bending tests with sensor films under the upper ply, in the middle, and over the lower ply prove the sensor films' ability for localized strain monitoring. Furthermore, detection of critical buckling is possible in structural parts, as demonstrated in compression tests of coupon specimens and stringer components.
Subjects
Damage Detection
Multifunctional Composite
Structural Health Monitoring
DDC Class
600: Technik
Funding(s)
Multifunktionale Komposite - Gedruckte Elektronik zur strukturintegrierten Zustandsüberwachung von Faser-Kunststoff-Verbunden  
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by-nc/4.0/
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ECCM_Volume_F_Life cycle assessment.pdf

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