Experimental study of the properties of metamaterials based on PLA plastic when perforated by a rigid striker

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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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作者简介

S. Ivanova

Ishlinsky Institute for Problems in Mechanics RAS

Email: lisovenk@ipmnet.ru
俄罗斯联邦, Moscow

K. Osipenko

Ishlinsky Institute for Problems in Mechanics RAS

Email: lisovenk@ipmnet.ru
俄罗斯联邦, Moscow

N. Banichuk

Ishlinsky Institute for Problems in Mechanics RAS

Email: lisovenk@ipmnet.ru
俄罗斯联邦, Moscow

D. Lisovenko

Ishlinsky Institute for Problems in Mechanics RAS

编辑信件的主要联系方式.
Email: lisovenk@ipmnet.ru
俄罗斯联邦, Moscow

参考

  1. 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
  2. Ivanova S.Yu., Osipenko K.Yu., Demin A.I., Banichuk N.V., Lisovenko D.S. Studying the properties of metamaterials with a negative Poisson’s ratio when punched by a rigid impactor // Mech. Solids. 2023. V. 58. № 5. P. 1536–1544. https://doi.org/10.3103/S0025654423600897
  3. Lim T.-C. Auxetic Materials and Structures. Singapore: Springer, 2015. http://doi.org/10.1007/978-981-287-275-3
  4. Kolken H.M.A., Zadpoor A.A. Auxetic Mechanical Metamaterials // RSC Adv. 2017. V. 7. № 9. P. 5111–5129. http://doi.org/10.1039/C6RA27333E
  5. Ren X., Das R., Tran P., et al. Auxetic Metamaterials and Structures: A Review // Smart Mater. Struct. 2018. V. 27. № 2. P. 023001. https://doi.org/10.1088/1361-665X/aaa61c
  6. Wu W., Hu W., Qian G. et al. Mechanical design and multifunctional applications of chiral mechanical metamaterials: A review // Mater. Des. 2019. V. 180. P. 107950. https://doi.org/10.1016/j.matdes.2019.107950
  7. Gorodtsov V.A., Lisovenko D.S. Auxetics among materials with cubic anisotropy // Mech. Solids. 2020. V. 55. № 4. P. 461–474. https://doi.org/10.3103/S0025654420040044
  8. Shitikova M.V. Fractional operator viscoelastic models in dynamic problems of mechanics of solids: A Review // Mech. Solids. 2022. V. 57. № 1. P. 1–33. http://doi.org/10.3103/S0025654422010022
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2. Fig. 1. Samples of metamaterials and their internal chiral structure: a), b) – auxetic; c), d) – non-auxetic. In Fig. (b) and (d) S = 6 mm, L = 3 mm, h = 0.4 mm, r = 0.8 mm

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3. Fig. 2. Prepared samples filled with gelatin

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4. Fig. 3. Dependence of the relative loss of kinetic energy of the striker d [%] on the mass m [g] of the samples being punched: with cells filled with air (a) and gelatin (b)

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