CREPE · Composite from a REsin PErspective

Composite from a REsin PErspective

This project was focused on understanding the important role the matrix plays in a fibre reinforced composite. Most composites research focuses on the fibres, important as there are in imparting high specific stiffness and strength to the final material. However, the matrix, which bind the fibres together is equally as important and presents opportunities for tailoring the mechanics and performance to achieve unique and optimal behaviours. The specific objectives outlined at the outset of this Fellowship were as follows: • To understand the effects of molecular dispersity on the mechanical and fracture behaviour of epoxy polymers. • To use this understanding to design next-generation thermoset epoxy polymers • To understand the effects of nanoparticulate additives on the functional behaviours of epoxy based nanocomposites. • To understand and improve the role of material processing on the final properties of the composite. • To experimentally verify theoretical and numerical predictions and to manufacture ‘proof of technology’ components. • To disseminate research findings internationally. Following the conclusion of this Fellowship, It was shown that physical raging of toughened epoxy polymers was detrimental to the overall behaviour. This, is the single most important result from this work and has important implications in the aerospace, where thermal cycling of critical structural components may have a drastically reduced resistance to fracture after a number of years of service. To create a truly sustainable composite sector in the EU, it is proposed to translate the findings of this Fellowship into resins and polymers manufactured from renewable feedstocks. Furthermore, it was also demonstrated as a result of work carried out during this Fellowship that the method of manufacture can also play a significant role in determining the final properties of the composite material. It is proposed as an avenue of future research that this be investigated further with a view to alleviating the detrimental effects that physical aging has on toughened epoxy polymers.

Текст от CORDIS, на английски · Данни: CORDIS, © Европейски съюз