Enviar artigo por via de e-mail Experimental study of the properties of metamaterials based on PLA plastic when perforated by a rigid striker
- Autores: Ivanova S.Y.1, Osipenko K.Y.1, Banichuk N.V.1, Lisovenko D.S.1
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Afiliações:
- Ishlinsky Institute for Problems in Mechanics RAS
- Edição: Nº 4 (2024)
- Páginas: 207-214
- Seção: Articles
- URL: https://jdigitaldiagnostics.com/1026-3519/article/view/673041
- DOI: https://doi.org/10.31857/S1026351924040146
- EDN: https://elibrary.ru/UCEOZU
- ID: 673041
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Resumo
The mechanical properties of metamaterials with different cellular internal structures were experimentally studied when perforated along the normal by a rigid spherical striker. Auxetic and non-auxetic samples of metamaterials with a chiral structure of cells, respectively, in the form of concave or convex hexagons, were produced using a 3D printer from e-PLA plastic. Based on the penetration experiments, the properties of chiral auxetic and non-auxetic samples of the same mass were compared for the cases when there was air inside the cells and when the cells were filled with gelatin. The relative loss of kinetic energy of the striker when perforating gelatin-filled samples was significantly higher for the auxetic metamaterial than for the non-auxetic one. For unfilled (“air”) samples, the relative loss of kinetic energy was slightly higher for the nonauxetic.
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Sobre autores
S. Ivanova
Ishlinsky Institute for Problems in Mechanics RAS
Email: lisovenk@ipmnet.ru
Rússia, Moscow
K. Osipenko
Ishlinsky Institute for Problems in Mechanics RAS
Email: lisovenk@ipmnet.ru
Rússia, Moscow
N. Banichuk
Ishlinsky Institute for Problems in Mechanics RAS
Email: lisovenk@ipmnet.ru
Rússia, Moscow
D. Lisovenko
Ishlinsky Institute for Problems in Mechanics RAS
Autor responsável pela correspondência
Email: lisovenk@ipmnet.ru
Rússia, Moscow
Bibliografia
- Ivanova S.Yu., Osipenko K.Yu., Kuznetsov V.A., Solovyov N.G., Banichuk N.V., Lisovenko D.S. Experimental investigation of the properties of auxetic and non-auxetic metamaterials made of metal during penetration of rigid strikers // Mech. Solids. 2023. V. 58. № 2. P. 524–528. https://doi.org/10.3103/S0025654422601616
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