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Fracture behaviour of fumed silica/epoxy nanocomposites
Publikationstyp
Journal Article
Date Issued
2008-09-20
Sprache
English
Volume
39
Issue
12
Start Page
1851
End Page
1858
Citation
Composites Part A: Applied Science and Manufacturing 39 (12): 1851-1858 (2008-12-01)
Publisher DOI
Scopus ID
Publisher
Elsevier
The paper shows the results of an experimental programme oriented to the manufacturing and characterisation of nanocomposites based on epoxy resin modified with fumed silica nanoparticles (0.1, 0.3 and 0.5 vol.%) with different surface treatments (unmodified, AMEO and GLYMO). The resulting degree of dispersion and the interfacial adhesion were investigated by TEM and SEM. Previous tensile and fracture toughness properties are discussed together with new results on the fatigue behaviour under mode I loading. The fracture toughness KIc turned out to be significantly increased and a positive trend towards the improvement in the crack propagation threshold under fatigue was observed.
Subjects
A. Nano-structures
B. Fatigue
B. Fracture toughness
Fumed silica
DDC Class
600: Technik