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  4. Production and properties of glass fibre-reinforced polymer composites with nanoparticle modified epoxy matrix
 
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Production and properties of glass fibre-reinforced polymer composites with nanoparticle modified epoxy matrix

Publikationstyp
Conference Paper
Date Issued
2005-12
Sprache
English
Author(s)
Wichmann, Malte Hendrik Georg  
Gojny, Florian H.  
Sumfleth, Jan  
Fiedler, Bodo  orcid-logo
Schulte, Karl  
Institut
Kunststoffe und Verbundwerkstoffe M-11  
TORE-URI
http://hdl.handle.net/11420/13124
Start Page
86
End Page
91
Citation
Materials Research Society Symposium (2005)
Contribution to Conference
Materials Research Society Symposium (2005)  
Publisher DOI
10.1557/proc-0901-ra05-40-rb05-40
Scopus ID
2-s2.0-34249934695
Increasing the mechanical performance, e.g. strength, toughness and fatigue properties of composites is the objective of many ongoing research projects. Nanoparticles, e.g. carbon nanotubes (CNTs) and fumed silica provide a high potential for the reinforcement of polymers. Their size in the nanometre regime make them suitable candidates for the reinforcement of fibre reinforced polymers, as they may penetrate the reinforcing fibre-network without disturbing the fibre-arrangement. In this work, glass fibre-reinforced epoxy composites with nanoparticle modified matrix systems were produced and investigated. GFRPs containing different volume fractions of the nanofillers were produced via resin transfer moulding. Matrix dominated mechanical properties of the GFRP laminates could be improved by the incorporation of nanoparticles. The addition of only 0.3 wt.% CNTs to the epoxy matrix increased the interlaminar shear strength from 33.4 to 38.7 MPa (+16%). Furthermore, the application of electrically conductive nanoparticles enables the production of conductive nanocomposites. This offers a high potential for antistatic applications and the implementation of functional properties in the composite structures. The effects of different filler types and volume fractions on the electrical properties of the GFRPs were investigated. GFRPs containing 0.3 wt.% of CNTs, for example, exhibit an anisotropic electrical conductivity. Furthermore, an electrical field was applied to the composites during curing. The effects on the resulting electrical and mechanical properties are discussed.
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