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(IRT Jules Verne, Bouguenais) announces the FIBIAS++ project, which has a goal to develop thermoplastic composites (TPC) based on recycled materials for use in the automotive industry, where reducing vehicle emissions and weight has become crucial.

FIBIAS++ is a collaboration between various partners. Automotive technology supplier  (formerly Faurecia Composites, Saint-Malo, France) is a key player as the project aligns with the company’s net-zero emissions strategy. (Hoofddorp, Netherlands) also joins, not only for its own carbon commitments, but also to prioritize reducing vehicle weight. (Douai, France), focusing on the manufacture of PET film from recycled materials, and moldmaker CMO, are additional partners.

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TPC are becoming an essential alternative to thermoset composites and metallic materials in the manufacture of automotive components, IRT Jules Verne notes, but there are still challenges. For example, can we produce a more environmentally sustainable composite, and integrate it into an environment of metal parts, while maintaining sufficient mechanical performance to meet strict safety requirements? This is the central question that FIBIAS++ is seeking to answer.

The FIBIAS++ project is the continuation of an initial research project that focused on developing technologies for processing TPC. This second phase adds an environmental dimension, with the aim of developing composites with a low CO₂ footprint and incorporating recycled materials, while maintaining high performance for semi-structural, and even structural, automotive applications. 

In particular, project teams are working on composites such as organosheets, glass mat-reinforced thermoplastics (GMT) and sandwich structures. The major challenge is to incorporate recycled materials such as PET. However, the environmental benefits could be considerable, including reducing CO₂ emissions by 50% when compared with traditional materials such as steel or thermoset composites, and lightweighting an additional 30-35% compared with metal structures. 

One of the innovative aspects of FIBIAS++ is the recycling of post-consumer and post-industrial waste. IMT Nord Europe, for example, has looked at things like crushed plastic bottles for the manufacture of PET films. These recycled materials are then incorporated into TPC products or semi-finished products. IMT Nord Europe also assessed the effects of the shredding process on the performance of the materials, as the aim is to maintain optimum mechanical properties throughout the recycling cycle.

At the same time, the IRT Jules Verne has developed a specific low-shear mixer for directly recycling composites scrap and off-cuts. This equipment mixes the waste to produce a homogeneous molten dough that can be reused by stamping or thermocompression to form finished parts or assemblies with metal parts. This innovation could be particularly promising for industrial production lines, where it would make it possible to avoid complex and costly subsequent processing of waste, while reducing transport and the costs associated with external recycling.

So far, project results are reported to be encouraging and could pave the way for the wider integration of recycled TPC in various industrial sectors. In addition, the mixer developed by the IRT could find applications in other sectors where waste management is a major issue.