Abstract
In the recent past new experimental techniques have been developed with the objective of linking generalized continuum theories with technology. So-called pantographic structures, which can be characterized as a meta-material, will be presented and investigated experimentally: Samples of different materials and dimensions are subjected to large deformation loading tests (tensile, shearing, and torsion) up to rupture, while their response to loading is recorded by an optical measurement system. 3D-digital image correlation is used to quantify the deformation.
Results show that the deformation behavior is strongly non-linear and that the structures are capable of performing large (elastic) deformations without complete failure. This extraordinary behavior makes pantographic structures very attractive as engineering material in technical applications for lightweight applications and in the medical industry.
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Acknowledgement
We want to thank Dag Wulsten from the Julius Wolff Institute at Charité in Berlin, Germany, and Paul Zaslansky from the Zahnklinik at Charité in Berlin, Germany, for their support and help in the lab.
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Ganzosch, G., Barchiesi, E., Drobnicki, R., Pfaff, A., Müller, W.H. (2020). Experimental Investigations of 3D-Deformations in Additively Manufactured Pantographic Structures. In: Indeitsev, D., Krivtsov, A. (eds) Advanced Problems in Mechanics. APM 2019. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-030-49882-5_11
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