Vestnik I. Yakovlev Chuvach State Pedagogical University. Series: Mechanics of a limit state

Bulletin of the Yakovlev Chuvash State Pedagogical University. Series: Mechanics of Limit State


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Ivanova S.Yu., Osipenko K.Yu., Banichuk N.V., Lisovenko D.S. Investigation of the effect of a viscous filler on the mechanical properties of metamaterials with negative and positive Poisson’s ratio when punching with a rigid impactor // Vestnik I. Yakovlev Chuvach State Pedagogical University. Series: Mechanics of a limit state . 2024. № 4(62). p. 62-75
Author(s):Ivanova S.Yu., Osipenko K.Yu., Banichuk N.V., Lisovenko D.S.
Index of UDK:539.3
DOI:10.37972/chgpu.2024.62.4.005
Title:Investigation of the effect of a viscous filler on the mechanical properties of metamaterials with negative and positive Poisson’s ratio when punching with a rigid impactor
Keywords:metamaterials, auxetics, experimental studies, penetration, perforation, rigid strikers.
Abstracts:Experiments were performed on the penetration of metamaterial samples based on ePLA plastic, prepared using a 3D printer, by a spherical rigid striker. Samples with a structure based on cells in the form of a concave hexagon had a negative Poisson’s ratio (auxetics) and were compared with non-auxetics with a conventional honeycomb structure in the form of a convex hexagon in terms of their ability to resist penetration. Structures with chirality were also considered. Experiments were conducted under conditions of air filling of the structure cells and filling with gelatin. The fact of a significant increase in resistance to penetration was established when auxetic chiral samples were filled with gelatin compared to those filled with chiral non-auxetics. For chiral metamaterials with gelatin, a deviation in the direction of the striker’s movement after leaving the sample being penetrated was recorded.
The contact details of authors:Svetlana Yu. Ivanova, Cand. Sci. Phys. & Math., Leading Researcher, Ishlinsky Institute for Problems in Mechanics RAS; https://orcid.org/0000-0001-5096-2759; AuthorID: 146039 Kirill Yu. Osipenko, Cand. Sci. Phys. & Math., Senior Researcher, Ishlinsky Institute for Problems in Mechanics RAS; https://orcid.org/0000-0001-9653-1831; AuthorID: 16440 Nikolay V. Banichuk, Dr. Sci. Phys. & Math., Professor, Head of Laboratory, Ishlinsky Institute for Problems in Mechanics RAS; https://orcid.org/0000-0002-0652-0934; AuthorID: 8002 Dmitry S. Lisovenko, Dr. Sci. Phys. & Math., Professor RAS, Head of Laboratory, Ishlinsky Institute for Problems in Mechanics RAS; e-mail: lisovenk@ipmnet.ru; https://orcid.org/0000-0003-0485-3433; AuthorID: 167930
Pages:62-75
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© 2015 I. Yakovlev Chuvash State Pedagogical University Bulletin. Series: Mechanics of a limit state