from 7 countries
Composites currently rely heavily on carbon and glass fibers for reinforcement. However, the utilization of synthetic composites poses numerous challenges, including recycling difficulties, dependence on third-party countries, and environmental impacts. A substantial 80% of these fibers are manufactured outside of Europe, and roughly half of the remaining 20% is produced under foreign licenses, contributing to a significant reliance on other nations.
Bio-composites, incorporating natural fibers, with hemp and flax being the most prevalent, present a promising solution to reduce this dependence. Hemp cultivation is widespread across Europe, yielding over 150,000 tons annually. Similarly, flax production is significant, with 80% of the required flax in Europe sourced locally. By leveraging natural fibers, the reliance on imported materials can be substantially diminished, thereby bolstering the autonomy of the European composites industry.
Nevertheless, the current application of bio-composites is confined to less critical uses without significant mechanical performance requirements. Natural fibers, as bio-based materials, exhibit greater variability in dimensions, weight, appearance compared to regular, smooth, and solid synthetic fibers. This disparity in properties necessitates a deeper understanding to tailor weight-to-performance systems and adapt manufacturing processes accordingly.
The BioStruct project, a European initiative, is dedicated to developing manufacturing processes for bio-based fiber-reinforced composite parts in structural applications. With a budget of 8 million euros over three years, the project brings together 10 partners. In addition to end users, the consortium includes partners from automation, machine building, measurement technology, material manufacturing, and simulation software to comprehensively cover all aspects of development. The consortium has been carefully selected to cover all key components necessary to demonstrate high-precision manufacturing of biocomposite parts.
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Manufacturing process for bio-based fibre-reinforced composite parts for structural applications