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Experiments on composites materials in Stuttgart
Dana Skácelová and Richard Krumpolec were invited to joint experiments in Stuttgart, Germany. The scientists worked on different ways and methods of preparing composite materials used not only in the construction industry. Now the prepared materials are undergoing testing.
Dr. Dana Skácelová and Dr. Richard Krumpolec from the Plasma Nanotechnologies and Bioapplications research group at DPPT and CEPLANT work together on the research of composite materials. Composites are materials of two or more substances with different properties. Combining these substances in a composite enhances their properties, resulting in excellent specific stiffness, strength, high-temperature resistance, flexibility, etc.
Scientists continue to successfully cooperate with colleagues from the Institute of Aircraft Design (IFB), University of Stuttgart. Last year, they conducted pilot testing of various materials and technologies for composite manufacturing. Based on the results, they scheduled this trip and targeted the experiments and testing for a systematic study.
In July, Dr. Dana Skácelová and Dr. Richard Krumpolec were invited to Germany through the "Short-term Grants for International Collaborations," an exchange program of the Innovation Campus Future Mobility (ICM) that supports the international collaboration of researchers worldwide.
Plasma systems with planar and curved DCSBD units and a plasma jet for experiments were moved to the IFB lab and used to functionalize the glass and flax reinforcing fibers. The IFP group created the FRP composites using various manufacturing technologies, e.g., vacuum infusion processes (VIP), resin transfer molding techniques (RTM), and UV curing.
Dr. Krumpolec prepared conductive composites using the unique rGO papers prepared at CEPLANT. The stay was focused solely on the preparation of these innovative composites. The samples are now tested for mechanical properties, such as matrix-fiber interface adhesion, surface morphology, and chemistry (SEM and XPS). The IFB group focuses on mechanical and optical testing, such as the bending properties, transmittance of transparent glass, or refractive index change measurements.
Eliška Rapcová, a master's student of Plasma Physics and Nanotechnology, accompanied the scientists to IFB for her research stay funded by the Freemovers program. She worked there for one month, and the results of her work will be part of her master's thesis on the effect of plasma treatment of glass fibers on the properties of laminated FRP composites.
