Research output per year
Research output per year
Research output: Contribution to journal › Article › Scientific › peer-review
The high stiffness and damping properties of flax fibres promote the integration of biocomposites in structural applications. However, the strength of flax/epoxy composites is still limited compared to glass/epoxy composites. Graphene oxide (GO) has proved to be a promising building block for nanocomposites due to its high toughness, stiffness and tunable interfacial interactions with polymers. This study aims to understand the potential of GO-based surface treatment of flax fibres to modify the interfacial adhesion and tensile performance of flax fibre/epoxy composites. GO-modification improves the interfacial shear strength of elementary flax fibre/epoxy by 43%. The interfacial improvement is also established by the 40% higher transverse bending strength compared to untreated flax/epoxy composites. The tensile moduli of GO-modified flax/epoxy composites are on average 2 GPa higher than for untreated flax fibre/epoxy composites in all strain ranges. The quasi-static longitudinal tensile strength of unidirectional composites is not affected by GO-modification.
| Original language | English |
|---|---|
| Article number | 106270 |
| Number of pages | 9 |
| Journal | Composites Part A: Applied Science and Manufacturing |
| Volume | 142 |
| DOIs | |
| Publication status | Published - Mar 2021 |
| Publication type | A1 Journal article-refereed |
Research output: Contribution to journal › Article › Scientific › peer-review
Vippola, M. (Manager), Honkanen, M. (Operator) & Salminen, T. (Operator)
Faculty of Engineering and Natural SciencesFacility/equipment: Facility