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Authors: Engert, Michelle
Werkle, Kim Torben
Wegner, Robert
Born, Larissa
Gresser, Götz T.
Möhring, Hans-Christian
Title: Validation of the manufacturing Methodology of prestressed fiber-reinforced polymer concrete by the variation of process parameters
Issue Date: 2023 Zeitschriftenartikel 13 Materials 16 (2023), No. 7377
ISSN: 1996-1944
Abstract: Polymer concrete has proved to be advantageous in machine building for many years thanks to its excellent damping properties. Until now, its use was limited to machine beds due to its comparatively low tensile strength. Its use in moving structural components has not been possible until now. Recent research results have shown that this challenge can be met by integrating prestressed carbon fibers. Until now, the production of samples out of prestressed fiber-reinforced polymer concrete has been carried out according to fixed specifications. It is not yet clear whether these specifications are suitable to fully exploit the potential of the material. Samples manufactured to these specifications show at least a large scatter in bending stiffness. Within the scope of this paper, the existing manufacturing process is validated by the variation of process steps. Specifically, this involved the use of a shaker, variation of the dwell time in the mold, variation of the resin content, and the procedure for impregnating the fibers. The characterization of the samples showed that the scatter could only be reduced by increasing the dwell time. However, this leads to a decrease in bending stiffness and, thus, is not suitable for further improvement of the novel material.
Appears in Collections:07 Fakultät Konstruktions-, Produktions- und Fahrzeugtechnik

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