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Impact damage in SiO2 nanoparticle enhanced epoxy – Carbon fibre composites

Abstrakt

Low velocity impact behaviour of nano-SiO2 enhanced carbon fibre/epoxy composites for naval applications is reported. Epoxy resin matrix was enhanced by 1- 8 wt% SiO2 nanoparticles, based on industrial surface-modified nanosilica. Impact parameters: force, deformation, energy, damage size were recorded. The most pronounced effect was damage size decrease; e.g. ∼28% recorded by infrared thermography and X-ray computed radiography for 8% nano-SiO2 content. Crack branching and crack deflection, due to the nanoparticles, were observed. Decreases in permanent deformation, by ∼15%, and absorbed energy, by ∼8%, were observed, as well as improved fibre/matrix interfacial strength. Flexural strength peaked at 2–5% at ∼640 MPa and then decreased, probably due to nanoparticle agglomerations. There was very little effect of small nanoparticle contents on impact force, deformation and energy, with only a 6% increase of the peak impact force for 8% nano-SiO2 content.

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Michał Landowski, Gabriel Strugała, Michał Budzik, Krystyna Imielińska. (2017). Impact damage in SiO2 nanoparticle enhanced epoxy – Carbon fibre composites, 113, 91-99. https://doi.org/10.1016/j.compositesb.2017.01.003

Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
COMPOSITES PART B-ENGINEERING nr 113, strony 91 - 99,
ISSN: 1359-8368
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Landowski M., Strugała G., Budzik M., Imielińska K.: Impact damage in SiO2 nanoparticle enhanced epoxy – Carbon fibre composites// COMPOSITES PART B-ENGINEERING. -Vol. 113, (2017), s.91-99

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