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  4. Ply-tailored nanoparticle matrix modification in cross-ply CFRP laminates
 
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Ply-tailored nanoparticle matrix modification in cross-ply CFRP laminates

Publikationstyp
Conference Paper
Date Issued
2017
Sprache
English
Author(s)
Leopold, Christian  orcid-logo
Schetle, Andreas  
Kosmann, Julia B.  
Fiedler, Bodo  orcid-logo
Institut
Kunststoffe und Verbundwerkstoffe M-11  
TORE-URI
http://hdl.handle.net/11420/3996
Citation
ICCM International Conferences on Composite Materials (2017-August): (2017)
Contribution to Conference
21st International Conference on Composite Materials, ICCM 2017  
The influence of a matrix modification with few-layer graphene (FLG) nanoparticles in different layers of carbon fibre reinforced plastic cross-ply laminates is investigated. Either the 90°-layers or the 0°-layers are modified with FLG nanoparticles. Quasi-static-tension tests with combined acoustic emission analysis are executed to determine the influence of the nanoparticle modification on tensile strength and stiffness, as well as the stress at inter fibre failure (IFF) initiation. FLG modification of the 0°-layers increases the tensile strength, whereas a modification of the 90°-layers increases the stress at IFF initiation. Fractography analysis of the fracture surfaces using scanning electron microscopy reveals microdamage at the nanoparticles that dissipates energy and is an explanation for the observed delay of transverse cracking in the 90°-layers when modified with FLG nanoparticles.
Subjects
Composite laminates
Failure initiation
Few layer graphene
Fractography
Matrix cracks
DDC Class
620: Ingenieurwissenschaften
More Funding Information
Deutsche Forschungsgemeinschaft for financial support of this study in the framework of the priority program “Life ∞” (SPP 1466).
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