Publications

• Werlen V., Rytka C., Michaud V., A numerical approach to characterize the viscoelastic behaviour of fibre beds and to evaluate the influence of strain deviations on viscoelastic parameter extraction, Composites Part A: Applied Science and Manufacturing, Vol. 143, 2021, 106315, https://doi.org/10.1016/j.compositesa.2021.106315
  
• Bühler R., Thommen M., Le Canut J.-M., Weber J.-F., Rytka C., Tsotra P., Highly conductive polypropylene-based composites for bipolar plates for polymer electrolyte membrane fuel cells. Fuel Cells. 2021,1–9. https://doi.org/10.1002/fuce.201900232
  

• Jakubowsky M., Werder J., Rytka C., Kristiansen M., Neyer A. (2020): Design, manufacturing and experimental validation of a bonded dual component microstructured system for vertical light emission Microsystem Technologies, 26(6), 2087-2093; https://doi.org/10.1007/s00542-020-04767-z
  

• Arexabaleta, L.; Rytka, C.; Walker, L.; Analysis of the manufacturing process of a car bonnet using Compression Resin Transfer Moulding (CRTM). AEMAC, [S.l.], v. 3, n. 3, p. 60-67, (2019). ISSN 2531-0739.
• Fairhurst A., Thommen M., Rytka C. (2019): Comparison of short and long term creep testing in high performance polymers Polymer Testing 78 105979, https://doi.org/10.1016/j.polymertesting.2019.105979
  
• Madeleine Grossman, Dmitriy Pivovarov, Florian Bouville, Clemens Dransfeld, Kunal Masania,* and André R. Studart*, Hierarchical Toughening of Nacre-Like Composites, Advances Functional Materials 2019, 1806800

Towards aerospace grade thin-ply composites: Effect of ply thickness, fibre, matrix and interlayer toughening on strength and damage tolerance
J. Cugnonia,∗, R. Amachera, S. Kohlera, J. Brunnerb, E. Kramerb, C. Dransfeldb, W. Smith, K. Scobbied, L. Sorensene, J. Botsisa
Composites Science and Technology 168 (2018) 467–477

• Core-shell rubber nanoparticle reinforcement and processing of high toughness fast-curing epoxy composites, Keller, A.; Chong, H. M.; Taylor, A. C.; Dransfeld, C.; Masania, K., Composites Science and Technology 2017, 147, 78-88.
• 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,Szmyt, W.; Vogel, S.; Diaz, A.; Holler, M.; Gobrecht, J.; Calame, M.; Dransfeld, C., Carbon 2017, 115, 347-362.

• Rytka C., Kristiansen. P. M., Neyer A. (2015), Iso- and variothermal injection compression molding of polymer micro- and nanostructures for optical and medical applications. J. Micromech. Microeng., 25 065008

• Rother, M., Barmettler, J., Reichmuth, A., Araujo, J. V., Rytka, C., Glaied, O., Pieles, U. and Bruns, N. (2015), Self-Sealing and Puncture Resistant Breathable Mem branes for Water-Evaporation Applications. Adv. Mater. 27 6620-4; https://doi.org/10.1002/adma.201502761
  

• Thermoplastic carbon fibre-reinforced polymer recycling with electrodynamical fragmentation:
  From cradle to cradle, Roux, M.; Eguémann, N.; Dransfeld, C.; Thiébaud, F.; Perreux, D., Journal of Thermoplastic Composite Materials 2015.
• Fast-curing epoxy polymers with silica nanoparticles: properties and rheo-kinetic modelling, Keller, A.; Masania, K.; Taylor, A.; Dransfeld, C., Journal of Materials Science 2015, 1-16.
• Plasma modified Polytetrafluoroethylene (PTFE) lubrication of α-olefin-copolymer impact-modified Polyamide 66, Hunke, H.; Soin, N.; Gebhard, A.; Shah, T.; Kramer, E.; Witan, K.; Narasimulu, A. A.; Siores, E., Wear 2015, 338–339 (0), 122-132.
• Influence of plasma pre-treatment of polytetrafluoroethylene (PTFE) micropowders on the mechanical and tribological performance of Polyethersulfone (PESU)–PTFE composites, Hunke, H.; Soin, N.; Shah, T.; Kramer, E.; Witan, K.; Siores, E., Wear 2015, 328–329 (0), 480-487.
• Low-Pressure H2, NH3 Microwave Plasma Treatment of Polytetrafluoroethylene (PTFE) Powders: Chemical, Thermal and Wettability Analysis, Hunke, H.; Soin, N.; Shah, T.; Kramer, E.; Pascual, A.; Karuna, M.; Siores, E., Materials 2015, 8 (5), 2258.

• Surface-Structured Bacterial Cellulose with Guided Assembly-Based Biolithography (GAB), Bottan, S.; Robotti, F.; Jayathissa, P.; Hegglin, A.; Bahamonde, N.; Heredia-Guerrero, J. A.; Bayer, I. S.; Scarpellini, A.M Merker, H.; Lindenblatt, N.; Poulikakos, D.; Ferrari, A., ACS Nano 2014, 9 (1), 206-219.
• Thin ply composites: Experimental characterization and modeling of size-effects, Amacher, R.; Cugnoni, J.; Botsis, J.; Sorensen, L.; Smith, W.; Dransfeld, C., Composites Science and Technology 2014, 101 (0), 121-132.
• Tailoring surface nanostructures on polyaryletherketones for load-bearing implants, Urwyler, P.; Zhao, Z.; Pascual, A.; Schift, H.; Müller, B., European Journal of Nanomedicine 2014, 6 (1), 37-46.

• Improved strength of carbon fibres after CNT growth by application of thin alumina layer, S. Vogel; C. Dransfeld; M. Calame; J. Gobrecht, Proceedings of Composites Week@Leuven 2013.
• Reinforcement of partially cured aerospace structures with B-staged patches, J. Studer; K. Masania; C. Dransfeld, Proceedings of the 19th international conference on composite materials 2013, Montreal 2013.
• High performance thermoplastic composite processing and recycling from cradle to cradle, M. Roux; N. Eguémann; L. Giger; C. Dransfeld, Proceedings of the SAMPE Europe 34th SEICO International Technical Conference , Paris 2013, 145-150.
• Recycling of high performance composites with high voltage fragmentation, M. Roux; C. Dransfeld; N. Eguémann; L. Giger, Proceedings of 19th international conference on composite materials 2013, Montréal 2013.
• The compression resin transfer moulding process for efficient composite manufacture, K. Masania; B. Bachmann; C. Dransfeld, Proceedings of the 19th international conference on composite materials 2013, Montreal 2013.
• Effets de taille dans les matériaux discontinus obtenus é partir de bandes de fibres de carbone pré-imprégnées, N. Eguémann; F. Thiébaud; D. Perreux; C. Dransfeld, 18ème Journées nationales sur les composites 2013, Nantes 2013.
• Manufacturing of complex composite parts for aerospace application with novel and recycled thermoplastic materials, N. Eguémann; L. Giger; M. Roux; C. Dransfeld; F. Thiébaud; D. Perreux, Proceedings of 19th international conference on composite materials 2013, Montréal 2013.
• The modelling of toughening of epoxy polymers via silica nanoparticles: the effects of volume fraction and particles size, F.P. Bray; F.J. Dittanet; P. Guild; A. J. Kinloch; K. Masania; R.A. Pearson; A. C. Taylor, Polymer (accepted) 2013.
• Simulation of the compresion resin transfer molding process for high volumen manufacturing, B. Bachmann; K. Masania; C. Dransfeld, Proceedings of Composites Week@Leuven 2013.

• Bearing load introduction using B-stages reinforcements and partially cured aerospace structures, J. Studer; K. Masania; C. Dransfeld, Proceedings of the SAMPE Europe 7th SEICO International Technical Conference, Lucerne 2012.
• The compression resin transfer moulding process for efficient composite manufacture, K. Masania; C. Dransfeld, Proceedings of the SAMPE Europe 7th SEICO International Technical Conference, Lucerne 2012.
• Manufacturing and recycling of complex composite thermoplastic parts for aerospace application, N. Eguémann; L. Giger; M. Roux; C. Dransfeld, Proceedings of the SAMPE Europe 7th SETEC International Technical Conference, Lucerne 2012.
• Fast impregnation of complex shapes for the manufacturing of high performance composites and its associated tooling, C. Dransfeld; K. Masania; E. Kramer; M. Siegfried; S. Klauser, Proceedings of the 11th International Conference on Flow Processes in Composite Materials (FPCM-11), Auckland, New Zealand 2012.

• Toughening of epoxy using core-shell particles. G. Giannakopoulos; K. Masania; A. C. Taylor, Journal of Materials Science 2011, 46 (2), 327-338.
• Fast impregnation of complex shapes for the manufacturing of high performance composites and its associated tooling. C. Dransfeld, Proceedings of the SAMPE Europe Technical Conference 2011, Leiden 2011.
• Quantifying nanoparticle dispersion: application of the Delaunay network for objective analysis of sample micrographs, D. J. Bray; S. G. Gilmour; F. J. Guild; T. H. Hsieh; K. Masania; A. C. Taylor, Journal of Materials Science 2011, 46 (19), 6437-6452.

• The mechanisms and mechanics of the toughening of epoxy polymers modified with silica nanoparticles, T. H. Hsieh; A. J. Kinloch; K. Masania; A. C. Taylor; S. Sprenger, Polymer 2010, 51 (26), 6284-6294.
• The toughness of epoxy polymers and fibre composites modified with rubber microparticles and silica nanoparticles, T. H. Hsieh; A. J. Kinloch; K. Masania; J. Sohn Lee; A. C. Taylor; S. Sprenger, Journal of Materials Science 2010, 45 (5), 1193-1210.

Methods for realising insulation around a conductive bar, T. Baumann; M. Vezzoli; T. Hillmer; T. Widmer; D. Stoll; C. Dransfeld. EP 2339723 (A1), 2011

Heat absorbing PMMA pane, C. Dransfeld; E. Kramer; P. Studer., WO 2010012664 (A1), 2010

Clamping member and joint coupling, R. Thomke; C. Lutz; V.  Burgherr; D. Fankhauser; R. Fischer; C. Dransfeld; StrykerTrauma SA. JP 2006055647, 2006
Clamp element and joint element, C. Lutz; D. Fankhauser; C. Dransfeld; R. Fischer. EP 162708 (A1), 2006

• Robin Amacher, Wayne Smith, Clemens Dransfeld, John Botsis, und Joël Cugnoni, Second place outstanding paper winner, “Thin Ply: From Size-Effect Characterization to Real Life Design”
• C. Dransfeld (FHNW) im Konsortium mit der ETH Lausanne, Huntsman Advanced Materials GmbH, Decision SA und Hydros et al., JEC Innovation Award, "World's thinnest UD-prepreg and associated handling and design tools"
• S. Vogel, SAMPE Europe Students Award, Vortrag zum Thema „Hierarchical Composites“
• B. Bachmann, Swiss Plastics Award 2014, Bachelorarbeit: „Compression RTM – Numerical Flow Modeling“
• L. Giger, Swiss Plastics Award 2014, Masterarbeit: „PEEK/CF Chips Pre-Demonstrator: EUROCOPTER Door Hinge“

C. Dransfeld, AVK (Arbeitsgemeinschaft verstärkte Kunststoffe) Innovation Award, Für "Adaptive blades for water turbines"

• C. Dransfeld, S. Christ, S. Oswald, Nomination für Designpreis Schweiz, Für das Design des Motorbootes Tender 08
• C. Dransfeld, S. Christ, S. Oswald, Red Dot Product Design Award, Für das Design des Motorbootes Tender 08
  

C. Dransfeld, R. Fischer, iF Product Design Award Gold, Für CFRP Knickarmroboter Fa. Schubert