New Routes to lightweight composites

• Define demonstrator, list of agreed parameters
• Demonstrator(s) of composite parts via proposed routes ready
• Demonstrator(s) of composite parts via proposed routes benchmarked.
• Processing routes for approaches (a)-(c) established and demonstrated.

Bio-inspired lightweight composites

• Microstructural parameter study. Promising approach(es) identified.
• Demonstrator parts fabricated and evaluated using promising approach(es).

Thermal Management

• Environmental footprint and hygrothermal performance of insulation strategies.

Thermoplastic composites via low viscosity melt impregnation

• Report on out-of-plane impregnation [12, 2018]
• Report on in-plane impregnation [12, 2018]
• Manufacturing go/no go for industrial impregnation tool scheduled [12, 2017]
• Industrial impregnation tool [12, 2018]
• Industrial impregnation tool validation [12, 2019]
• Competitiveness identified [12, 2020]
• Characteristic parts and reported performance [12, 2020]
  
  

Direct consolidation via hybrid yarn route

• Manufacturing infrastructure [12, 2017]
• Consolidation models for hybrid yarns [6, 2018]
• Report on bicomponent fiber manufacturing [6, 2018]
• Report on direct consolidation on hybrid yarns [12, 2018]
• Industrial demonstration of hybrid yarn consolidation [12, 2020]
• Report on industrial demonstration of hybrid yarn consolidation [12, 2020]
  
  

Cost and life cycle inventory of processing routes

• Life cycle inventory is complete [12, 2019]
• Database with life cycle inventory for processes under consideration [12, 2019]
• Life cycle and cost performances identified [12, 2020]
• Report of life cycle and cost performance of processes [12, 2020]
  
  

Development of bio-inspired materials and structures

• Bioinspired ceramic composites dissemination milestone [1, 2018]
• Report on structure property relation of bioinspired ceramic composites [1, 2018]
• Engineering application scale-up milestone [7, 2019]
• Engineering application demonstration milestone [12, 2020]
• Report on heterogeneous architecture of bioinspired composites [12, 2020]
  
  

Modelling of propulsive and non-propulsive energy demand

• Report/paper on calibrated and validated real-world energy demand model [12, 2018]
• Model for passenger cars validated [1, 2018]
• Model for heavy-duty vehicles available [6, 2018]
• Calibrated and validated real-world energy demand model available for design development [12, 2018]
  
  

Minimizing vehicular energy demand through design

• Extended simulation framework for optimal design of vehicles available including thermal considerations for future mobility demand is available [6, 2019]
• Documentation on extended framework [6, 2019]
• Publication of design strategies and new designs available [12, 2020]

Master and semester project reports

V. Bersier, Effect of Manufacturing Parameters on Thermo-mechanical Deformation of Composite Structures Using the powerRibs Technology, EPFL Master Thesis in collaboration with B-Comp, March 2016

T. Bouchet, Processing and Characterization of composites with low viscosity thermoplastic matrix, EPFL Master semester project report, June 2015.

R.Triguera, Improved fabric permeability for a melt-RTM process, EPFL Master semester project report, January 2016.

2020

Volk, M., Arreguin, S., Ermanni, P., Wong, J., Bar, C., & Schmuck, F. (2020). Pultruded thermoplastic composites for high voltage insulator applications. IEEE Transactions on Dielectrics and Electrical Insulation, 27(4), 1280–1287. https://doi.org/10.1109/TDEI.2020.008724

2019

Çabukoglu, E., Georges, G., Küng, L., Pareschi, G., & Boulouchos, K. (2019). Fuel cell electric vehicles: An option to decarbonize heavy-duty transport? Results from a Swiss case-study. Transportation Research Part D: Transport and Environment, 70, 35–48. https://doi.org/10.1016/j.trd.2019.03.004

Caglar, B., Tekin, C., Karasu, F., & Michaud, V. (2019). Assessment of capillary phenomena in liquid composite molding. Composites Part A: Applied Science and Manufacturing, 120, 73–83. https://doi.org/10.1016/j.compositesa.2019.02.018

Grossman, M., Pivovarov, D., Bouville, F., Dransfeld, C., Masania, K., & Studart, A. R. (2019). Hierarchical Toughening of Nacre-Like Composites. Advanced Functional Materials, 29(9), 1806800. https://doi.org/10.1002/adfm.201806800

Kabachi, M. A., Danzi, M., Arreguin, S., & Ermanni, P. (2019). Experimental study on the influence of cyclic compaction on the fiber-bed permeability, quasi-static and dynamic compaction responses. Composites Part A: Applied Science and Manufacturing, 125, 105559. https://doi.org/10.1016/j.compositesa.2019.105559

Kleger, N., Cihova, M., Masania, K., Studart, A. R., & Löffler, J. F. (2019). 3D Printing of Salt as a Template for Magnesium with Structured Porosity. Advanced Materials, 31(37), 1903783. https://doi.org/10.1002/adma.201903783

Küng, L., Bütler, T., Georges, G., & Boulouchos, K. (2019). How much energy does a car need on the road? Applied Energy, 256, 113948. https://doi.org/10.1016/J.APENERGY.2019.113948

Lebaupin, Y., Friedli, J., Caglar, B., Piccand, M., Pasquier, R., & Michaud, V. (2019). Crushing and intrusion resistance improvement of aluminum beams by carbon/epoxy composite patches. Composite Structures, 226, 111235. https://doi.org/10.1016/j.compstruct.2019.111235

Salvatori, D., Caglar, B., & Michaud, V. (2019). 3D spacers enhance flow kinetics in resin transfer molding with woven fabrics. Composites Part A: Applied Science and Manufacturing, 119, 206–216. https://doi.org/10.1016/j.compositesa.2019.01.023

Studer, J., Dransfeld, C., Jauregui Cano, J., Keller, A., Wink, M., Masania, K., & Fiedler, B. (2019). Effect of fabric architecture, compaction and permeability on through thickness thermoplastic melt impregnation. Composites Part A: Applied Science and Manufacturing, 122, 45–53. https://doi.org/10.1016/J.COMPOSITESA.2019.04.008

Woigk, W., Fuentes, C. A., Rion, J., Hegemann, D., van Vuure, A. W., Dransfeld, C., & Masania, K. (2019). Interface properties and their effect on the mechanical performance of flax fibre thermoplastic composites. Composites Part A: Applied Science and Manufacturing, 122, 8–17. https://doi.org/10.1016/J.COMPOSITESA.2019.04.015

Woigk, W., Fuentes, C. A., Rion, J., Hegemann, D., van Vuure, A. W., Kramer, E., Dransfeld, C., & Masania, K. (2019). Fabrication of flax fibre-reinforced cellulose propionate thermoplastic composites. Composites Science and Technology, 183, 107791. https://doi.org/10.1016/j.compscitech.2019.107791

2018

Aegerter, N., Schneeberger, C., Arreguin, S., Wong, J. C. H., & Ermanni, P. (2018). A Scalable Process for Making Hybrid Bicomponent Fibers for the Efficient Manufacturing of Thermoplastic Composites. 4th International Conference & Exhibition on Thermoplastic Composites (ITHEC 2018). https://www.research-collection.ethz.ch/handle/20.500.11850/300733

Caglar, B., Salvatori, D., Sozer, E. M., & Michaud, V. (2018). In-plane permeability distribution mapping of isotropic mats using flow front detection. Composites Part A: Applied Science and Manufacturing, 113, 275–286. https://doi.org/10.1016/J.COMPOSITESA.2018.07.036

Eichenhofer, M., Arreguin, S., Wong, J. C. H., & Ermanni, P. (2018). Optimizing the thermoplastic welding properties in an FRTPC additive manufacturing process. Proceedings ITHEC 2018, B4. https://www.research-collection.ethz.ch/handle/20.500.11850/300738

Eichenhofer, M., Wong, J. C. H., & Ermanni, P. (2018). Exploiting cyclic softening in continuous lattice fabrication for the additive manufacturing of high performance fibre-reinforced thermoplastic composite materials. Composites Science and Technology, 164, 248–259. https://doi.org/10.1016/J.COMPSCITECH.2018.05.033

Gantenbein, S., Masania, K., Woigk, W., Sesseg, J. P. W., Tervoort, T. A., & Studart, A. R. (2018). Three-dimensional printing of hierarchical liquid-crystal-polymer structures. Nature, 561(7722), 226–230. https://doi.org/10.1038/s41586-018-0474-7

Grossman, M., Bouville, F., Masania, K., & Studart, A. R. (2018). Quantifying the role of mineral bridges on the fracture resistance of nacre-like composites. Proceedings of the National Academy of Sciences of the United States of America, 115(50), 12698–12703. https://doi.org/10.1073/pnas.1805094115

Hausmann, M. K., Rühs, P. A., Siqueira, G., Läuger, J., Libanori, R., Zimmermann, T., & Studart, A. R. (2018). Dynamics of Cellulose Nanocrystal Alignment during 3D Printing. ACS Nano, 12(7), 6926–6937. https://doi.org/10.1021/acsnano.8b02366

Holzer, L., Pecho, O., Schumacher, J., Marmet, P., Stenzel, O., Büchi, F. N., Lamibrac, A., & Münch, B. (2017). Microstructure-property relationships in a gas diffusion layer (GDL) for Polymer Electrolyte Fuel Cells, Part I: effect of compression and anisotropy of dry GDL. Electrochimica Acta, 227, 419–434. https://doi.org/10.1016/J.ELECTACTA.2017.01.030

Keller, A., Dransfeld, C., & Masania, K. (2018). Flow and heat transfer during compression resin transfer moulding of highly reactive epoxies. Composites Part B: Engineering, 153, 167–175. https://doi.org/10.1016/J.COMPOSITESB.2018.07.041

Kokkinis, D., Bouville, F., & Studart, A. R. (2018). 3D Printing of Materials with Tunable Failure via Bioinspired Mechanical Gradients. Advanced Materials, 1705808. https://doi.org/10.1002/adma.201705808

Küng, L., Bütler, T., Georges, G., & Boulouchos, K. (2018). Decarbonizing passenger cars using different powertrain technologies: Optimal fleet composition under evolving electricity supply. Transportation Research Part C: Emerging Technologies, 95, 785–801. https://doi.org/10.1016/j.trc.2018.09.003

Leal, A. A., Neururer, O. A., Bian, A., Gooneie, A., Rupper, P., Masania, K., Dransfeld, C., & Hufenus, R. (2018). Interfacial interactions in bicomponent polymer fibers. Polymer, 142, 375–386. https://doi.org/10.1016/J.POLYMER.2018.03.055

Salvatori, D., Caglar, B., Teixidó, H., & Michaud, V. (2018). Permeability and capillary effects in a channel-wise non-crimp fabric. Composites Part A: Applied Science and Manufacturing, 108, 41–52. https://doi.org/10.1016/J.COMPOSITESA.2018.02.015

Studer, J., Keller, A., Leone, F., Stefaniak, D., Dransfeld, C., & Masania, K. (2018). Local reinforcement of aerospace structures using co-curing RTM of metal foil hybrid composites. Production Engineering, 1–7. https://doi.org/10.1007/s11740-018-0794-3

2017

Bouville, F., & Studart, A. R. (2017). Geologically-inspired strong bulk ceramics made with water at room temperature. Nature Communications, 8, 14655. https://doi.org/10.1038/ncomms14655

Eichenhofer, M., Wong, J. C. H., & Ermanni, P. (2017). Continuous lattice fabrication of ultra-lightweight composite structures. Additive Manufacturing, 18, 48–57. https://doi.org/10.1016/J.ADDMA.2017.08.013

Geissberger, R., Maldonado, J., Bahamonde, N., Keller, A., Dransfeld, C., & Masania, K. (2017). Rheological modelling of thermoset composite processing. Composites Part B: Engineering, 124, 182–189. https://doi.org/10.1016/J.COMPOSITESB.2017.05.040

Grossman, M., Bouville, F., Erni, F., Masania, K., Libanori, R., & Studart, A. R. (2017). Mineral Nano-Interconnectivity Stiffens and Toughens Nacre-like Composite Materials. Advanced Materials, 29(8), 1605039. https://doi.org/10.1002/adma.201605039

Keller, A., Chong, H. M., Taylor, A. C., Dransfeld, C., & Masania, K. (2017). Core-shell rubber nanoparticle reinforcement and processing of high toughness fast-curing epoxy composites. Composites Science and Technology, 147, 78–88. https://doi.org/10.1016/J.COMPSCITECH.2017.05.002

Roux, M., Eguémann, N., Dransfeld, C., Thiébaud, F., & Perreux, D. (2017). Thermoplastic carbon fibre-reinforced polymer recycling with electrodynamical fragmentation. Journal of Thermoplastic Composite Materials, 30(3), 381–403. https://doi.org/10.1177/0892705715599431

Rueppel, M., Rion, J., Dransfeld, C., Fischer, C., & Masania, K. (2017). Damping of carbon fibre and flax fibre angle-ply composite laminates. Composites Science and Technology, 146, 1–9. https://doi.org/10.1016/J.COMPSCITECH.2017.04.011

Schneeberger, C., Wong, J. C. H., & Ermanni, P. (2017). Hybrid bicomponent fibres for thermoplastic composite preforms. Composites Part A: Applied Science and Manufacturing, 103, 69–73. https://doi.org/10.1016/J.COMPOSITESA.2017.09.008

Szmyt, W., Vogel, S., Diaz, A., Holler, M., Gobrecht, J., Calame, M., & Dransfeld, C. (2017). Protective effect of ultrathin alumina film against diffusion of iron into carbon fiber during growth of carbon nanotubes for hierarchical composites investigated by ptychographic X-ray computed tomography. Carbon, 115, 347–362. https://doi.org/10.1016/J.CARBON.2016.12.085

Wong, J. C., Blanco, J. M., & Ermanni, P. (2017). Filament winding of aramid/PA6 commingled yarns with in situ consolidation. Journal of Thermoplastic Composite Materials, 89270571770652. https://doi.org/10.1177/0892705717706528

2016

Bargardi, F. L., Le Ferrand, H., Libanori, R., & Studart, A. R. (2016). Bio-inspired self-shaping ceramics. Nature Communications, 7, 13912. https://doi.org/10.1038/ncomms13912

Keller, A., Masania, K., Taylor, A. C., & Dransfeld, C. (2016). Fast-curing epoxy polymers with silica nanoparticles: properties and rheo-kinetic modelling. Journal of Materials Science, 51(1), 236–251. https://doi.org/10.1007/s10853-015-9158-y

Le Ferrand, H., Bolisetty, S., Demirörs, A. F., Libanori, R., Studart, A. R., & Mezzenga, R. (2016). Magnetic assembly of transparent and conducting graphene-based functional composites. Nature Communications, 7, 12078. https://doi.org/10.1038/ncomms12078

Libanori, R., Carnelli, D., Rothfuchs, N., Binelli, M. R., Zanini, M., Nicoleau, L., … Studart, A. R. (2016). Composites reinforced via mechanical interlocking of surface-roughened microplatelets within ductile and brittle matrices. Bioinspiration & Biomimetics, 11(3), 36004. https://doi.org/10.1088/1748-3190/11/3/036004

Minas, C., Carnelli, D., Tervoort, E., & Studart, A. R. (2016). 3D Printing of Emulsions and Foams into Hierarchical Porous Ceramics. Advanced Materials, 28(45), 9993–9999. https://doi.org/10.1002/adma.201603390

Niebel, T. P., Carnelli, D., Binelli, M. R., Libanori, R., & Studart, A. R. (2016). Hierarchically roughened microplatelets enhance the strength and ductility of nacre-inspired composites. Journal of the Mechanical Behavior of Biomedical Materials, 60, 367–377. https://doi.org/10.1016/J.JMBBM.2016.02.008

Studer, J., Dransfeld, C., & Masania, K. (2016). An analytical model for B-stage joining and co-curing of carbon fibre epoxy composites. Composites Part A: Applied Science and Manufacturing, 87, 282–289. https://doi.org/10.1016

2015

Carnelli, D., Libanori, R., Feichtenschlager, B., Nicoleau, L., Albrecht, G., & Studart, A. R. (2015). Cement-based composites reinforced with localized and magnetically oriented Al2O3 microplatelets. Cement and Concrete Research, 78, 245–251. https://doi.org/10.1016/J.CEMCONRES.2015.08.003