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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Petrov, R. H. | Madrid |
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| Bih, L. |
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| Kočí, Jan | Prague |
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| Azam, Siraj |
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| Ali, M. A. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Vonk, Niels H.
Netherlands Organisation for Applied Scientific Research
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (4/4 displayed)
- 2022Anisotropic mechanical properties of Selective Laser Sintered starch-based foodcitations
- 2022Accurate Strain Field Measurement During Strip Rolling by Exploiting Recurring Material Motion with Time-Integrated Digital Image Correlationcitations
- 2020Anisotropic hygro-expansion in hydrogel fibers owing to uniting 3D electrowriting and supramolecular polymer assemblycitations
- 2020Tracking microstructure evolution in complex biaxial strain pathscitations
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article
Anisotropic mechanical properties of Selective Laser Sintered starch-based food
Abstract
<p>The characteristic layer-by-layer structure of a Selective Laser Sintered food product inherently results in anisotropic mechanical properties which depend on the laser sintering parameters. Tailoring these mechanical properties by the printing process enables food customization. The mechanical behavior and microstructure of printed starch-based food were characterized by means of uniaxial compression testing and Computed Tomography. Two directions were considered: the build direction and the principal in-plane direction. By increasing the area energy density from 14 J/cm<sup>2</sup> to 82 J/cm<sup>2</sup>, the stiffness in build direction was more than tripled, whereas the stiffness in the in-plane direction remained unaffected and the fracture stress was more than doubled. Moreover the ductility in the build direction decreased. These effects are a combination of the change in microstructure, with average relative density ranging from 42% to 50%, and a change in local mechanical properties. In-situ compression tests revealed heterogeneous crack propagation in the material.</p>