Advanced fibre engineering and semi-finished products

The growing demand for lightweight, durable, and sustainable materials is reshaping sectors such as automotive, aeronautics, aerospace, construction, and textiles. Industries are under increasing pressure to replace resource-intensive materials, reduce environmental impact, and develop next-generation solutions that combine high performance with circularity. Meeting these challenges require advanced fibre engineering and semi-finished products that deliver enhanced performance, functionality, and recyclability of composite materials.

Mission

The group is dedicated to advancing composite innovation by focusing on cutting-edge solutions in fibre engineering, surface and interface customization of reinforcements, fibre-based intermediates, and composite semi-finished products.. Research spans the entire development chain:  from the extraction or synthesis of (natural) fibres to their engineering, incorporating advanced coating technologies to improve performance and durability, while enabling  on-demand debonding and structural disassembly  as well as their efficient combination with polymers to create fibre-based semi-finished products.

The group’s work  focuses on a wide range of materials designed to tailor interface performance: synthetic and natural reinforcing fibres, thermoplastics,  thermosets and functional hybrid organic thin coatings/sizing. These innovations are supported by advances in modelling tools, characterization and testing methodologies, which are specific to the technological building blocks—constituents and interfaces—of the developed materials.

Scope of expertise

Activities encompass the characterization, design and development of sustainable fibre-reinforced polymer composites, with a focus on performance tailoring of interfaces / interphases and natural fibres.

  • Natural fibres reinforced composites
  • Hierarchical fibres
  • Bioinspired composites materials
  • Adhesion (fibre-matrix adhesion and compatibilization of composite constituents, fibre/filament/tape surface activation and chemical treatment, adhesion promotion, nanostructured interphases) and deadhesion (debonding on demand)
  • Interface durability
  • Thermal & electrical management
  • Responsive interfaces
  • Self-healing coatings
  • In-situ characterization of constituents & interfaces
  • Surface characterization
  • Filament/tape/coupon testing
  • Full-field strain measurement (Digital Image Correlation)
  • Microstructural analysis and fractography (SEM, Computed Microtomography)
  • Development of innovative interfacial layers in high performances FRP composites
  • Development of bioinspired composites materials by mimicking the structure found in the Nature
  • Development of fully bio-based fibres reinforced polymer composites materials including surface treatment approaches to promote adhesion, integrity and functionality of fibre-matrix interfaces.
  • Development of structural disassembly and debonding on-demand, as well as recycling routes for composites.
  • Development of experimental techniques to characterize interfaces/interphases of composites and connect the nano/micro information to the macro behaviour of composites

Application areas

  • Replacement of synthetic fibres by natural fibres for high performance composites applications
  • Interfacial layers in high performance CFRP composites
  • Interphases with (coupled) mechanical, thermal, electrical, debonding capabilities
  • Reuse/repair/recycling of composites materials
  • Innovative joining of hybrid systems / dissimilar materials

Main assets

  • NFRP composites materials
  • Eco-friendly coatings dedicated to fibre-matrix compatibilization of thermoplastic/thermosets with carbon/glass/natural fibres (thermal resistance, moisture absorption)
  • Adhesion promoters for metal/polymer assembling
  • Antistatic thermoplastic composite
  • Thermal dissipative thermoplastic composite
  • Functional barrier Coatings (fire, gas, bacteria, water)
  • Debonding-on demand solutions
  • Self-healable polymer composites
  • Advanced multi-scale and multi technique characterization methodologies

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