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Article

Experimental and Numerical Analysis of the Deformation Behavior of Adaptive Fiber-Rubber Composites with Integrated Shape Memory Alloys

Institute of Textile Machinery and High Performance Material Technology, Technische Universität Dresden, 01062 Dresden, Germany
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Academic Editor: Theodore E. Matikas
Materials 2022, 15(2), 582; https://doi.org/10.3390/ma15020582
Received: 29 November 2021 / Revised: 10 January 2022 / Accepted: 11 January 2022 / Published: 13 January 2022
(This article belongs to the Special Issue Interactive Fiber Rubber Composites)
Fiber-reinforced rubber composites with integrated shape memory alloy (SMA) actuator wires present a promising approach for the creation of soft and highly elastic structures with adaptive functionalities for usage in aerospace, robotic, or biomedical applications. In this work, the flat-knitting technology is used to develop glass-fiber-reinforced fabrics with tailored properties designed for active bending deformations. During the knitting process, the SMA wires are integrated into the textile and positioned with respect to their actuation task. Then, the fabrics are infiltrated with liquid silicone, thus creating actively deformable composites. For dimensioning such structures, a comprehensive understanding of the interactions of all components is required. Therefore, a simulation model is developed that captures the properties of the rubber matrix, fiber reinforcement, and the SMA actuators and that is capable of simulating the active bending deformations of the specimens. After model calibration with experimental four-point-bending data, the SMA-driven bending deformation is simulated. The model is validated with activation experiments of the actively deformable specimens. The simulation results show good agreement with the experimental tests, thus enabling further investigations into the deformation mechanisms of actively deformable fiber-reinforced rubbers. View Full-Text
Keywords: shape memory alloy; fiber-rubber composite; simulation; smart material shape memory alloy; fiber-rubber composite; simulation; smart material
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MDPI and ACS Style

Lohse, F.; Kopelmann, K.; Grellmann, H.; Ashir, M.; Gereke, T.; Häntzsche, E.; Sennewald, C.; Cherif, C. Experimental and Numerical Analysis of the Deformation Behavior of Adaptive Fiber-Rubber Composites with Integrated Shape Memory Alloys. Materials 2022, 15, 582. https://doi.org/10.3390/ma15020582

AMA Style

Lohse F, Kopelmann K, Grellmann H, Ashir M, Gereke T, Häntzsche E, Sennewald C, Cherif C. Experimental and Numerical Analysis of the Deformation Behavior of Adaptive Fiber-Rubber Composites with Integrated Shape Memory Alloys. Materials. 2022; 15(2):582. https://doi.org/10.3390/ma15020582

Chicago/Turabian Style

Lohse, Felix, Karl Kopelmann, Henriette Grellmann, Moniruddoza Ashir, Thomas Gereke, Eric Häntzsche, Cornelia Sennewald, and Chokri Cherif. 2022. "Experimental and Numerical Analysis of the Deformation Behavior of Adaptive Fiber-Rubber Composites with Integrated Shape Memory Alloys" Materials 15, no. 2: 582. https://doi.org/10.3390/ma15020582

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