Journal
JOURNAL OF APPLIED POLYMER SCIENCE
Volume 139, Issue 6, Pages -Publisher
WILEY
DOI: 10.1002/app.51618
Keywords
applications; mechanical properties; theory and modeling
Categories
Funding
- Osterreichische Forschungsforderungsgesellschaft
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The study provides an overview of the mechanical behavior of four differently designed and 3D-printed metamaterial structures. Compression tests and bending tests were conducted to demonstrate the wide range of material properties achievable by utilizing different materials and 3D-printing techniques. A comparison between experiments and numerical simulations offered further insight into local deformation mechanisms and overall deformation behavior, contributing to a better understanding of the structures.
Artificially structured materials, also called metamaterials, can achieve very unique properties due to the fact that their attributes are mainly derived from the design of the structures. This work gives an overview of the mechanical behavior of four differently designed and 3D-printed metamaterial structures. For each structure, both, the printing technique and the materials used for printing were varied. In total four different polymers were investigated and processed with three different 3D-printing techniques. Their mechanical behavior was studied by compression tests, which showed the wide range of material properties that can be achieved by utilizing the different materials/3D-printing techniques. In addition, bending tests of 3D-printed bending specimens were conducted to provide material data for subsequent finite element simulation of the structures. The comparison of experiments and numerical simulations gave further insight into local deformation mechanisms and allowed for a better understanding of the overall deformation behavior.
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