Pour la rentrée 2016 du M2 CNANO, le Dr. Matthieu GRESIL interviendra le jeudi 8 septembre (14h) à Nantes-Rennes-Lorient. Le séminaire qu’il propose s’intitule « Graphene Based Composite Materials for Aerospace Application« .
Dr. Matthieu Gresil joined the School of Materials in February 2014 as Lecturer in Composite Materials, and Structural Health Monitoring (SHM). He obtained his BSc degree in Physics (University of Nantes, France) and MSc degree in Physics option Matter and Materials (University of Nantes, France). He completed his PhD from Ecole Normale Superieure at Cachan, France in 2009 in collaboration with DCNS (French Navy) on the integration of functions (SHM and electromagnetic shielding) in composite materials. Then, he joined the University of South Carolina as Post-doctoral Research Fellow (2010-2014) and conducted research on SHM using multi-physics finite element to study guided wave propagation in composite and metallic structures.
Current research efforts include developing advanced multi-scale multi-functional composite and nanocomposite structures to improve their electrical, thermal conductivity and mechanical properties.
Dr. Matthieu Gresil : List of publications (Google citations) or Research Webpage
Abstract:
Composite materials are used in many applications, mainly in transport (aerospace, automotive, rail) and energy (wind turbine, oil & gas) industries. Fibre reinforced polymer composites have become more attractive as structural materials in the aerospace and automotive industries, due to the high strength, high stiffness, and low density they offer. Corrosion resistance and weight reduction are the main drivers for the replacement of metal structures by composites. A composite material is made up of reinforcement’s component and a matrix component. Nanoparticles can be used to produce composites in two ways: either they can replace the traditional reinforcement, or they can be added to the traditional matrix reinforcement system.
Graphene has been hailed as the miracle material of the 21st century. Graphene is a one atom-thick (0.33 nm) sheet made of carbon atoms, arranged in a honeycomb (hexagonal) lattice. It is a multi-functional nanomaterial additive for polymers and composites. When reading the literature, graphene’s properties appear to outperform other materials in almost all ways. It is 200 times stronger than steel but also highly stretchable. It can conduct heat 100 times better than copper. Electrons travel fastest across graphene’s surface than any other material at room temperature. These properties bring high expectations. Graphene could promise stronger, lighter planes with better fuel efficiency. The wings and fuselage could be coated with graphene to dissipate electrical charge during lightning strikes. But so far the only commercial composite product with graphene in it is a tennis racket and that seems to be more of a marketing ploy than for engineering reasons. So does graphene really have limitless potential? And if it does have potential why hasn’t graphene taken off yet? These questions will be discussed from a structural composites perspective for aerospace application.
