Removing Auxetic Properties in f.c.c. Hard Sphere Crystals by Orthogonal Nanochannels with Hard Spheres of Another Diameter

Narojczyk, Jakub W.; Bilski, Mikołaj; Grima, Joseph N.; Kędziora, Przemysław; Morozow, Dmitrij; Rucki, Mirosław; Wojciechowski, Krzysztof W.

doi:10.3390/ma15031134

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Removing Auxetic Properties in f.c.c. Hard Sphere Crystals by Orthogonal Nanochannels with Hard Spheres of Another Diameter

^1,*

^3,4,*

⁵

⁵

and

Krzysztof W. Wojciechowski

^1,6

Institute of Molecular Physics, Polish Academy of Sciences, M. Smoluchowskiego 17, 60-179 Poznan, Poland

Institute of Applied Mechanics, Poznań University of Technology, Jana Pawla II 24, 60-965 Poznan, Poland

Department of Chemistry, Faculty of Science, University of Malta, MSD 2080 Msida, Malta

⁴

Metamaterials Unit, Faculty of Science, University of Malta, MSD 2080 Msida, Malta

⁵

Faculty of Mechanical Engineering, Kazimierz Pulaski University of Technology and Humanities in Radom, Stasieckiego 54, 26-600 Radom, Poland

⁶

Akademia Kaliska im. Prezydenta Stanisława Wojciechowskiego, Nowy Świat 4, 62-800 Kalisz, Poland

Authors to whom correspondence should be addressed.

Academic Editor: Andrei V. Petukhov

Materials 2022, 15(3), 1134; https://doi.org/10.3390/ma15031134

Received: 9 December 2021 / Revised: 28 January 2022 / Accepted: 29 January 2022 / Published: 1 February 2022

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Abstract

Negative Poisson’s ratio materials (called auxetics) reshape our centuries-long understanding of the elastic properties of materials. Their vast set of potential applications drives us to search for auxetic properties in real systems and to create new materials with those properties. One of the ways to achieve the latter is to modify the elastic properties of existing materials. Studying the impact of inclusions in a crystalline lattice on macroscopic elastic properties is one of such possibilities. This article presents computer studies of elastic properties of f.c.c. hard sphere crystals with structural modifications. The studies were performed with numerical methods, using Monte Carlo simulations. Inclusions take the form of periodic arrays of nanochannels filled by hard spheres of another diameter. The resulting system is made up of two types of particles that differ in size. Two different layouts of mutually orthogonal nanochannels are considered. It is shown that with careful choice of inclusions, not only can one impact elastic properties by eliminating auxetic properties while maintaining the effective cubic symmetry, but also one can control the anisotropy of the cubic system. View Full-Text

Keywords: auxetics; negative Poisson’s ratio; nanolayers; hard sphere inclusions; Monte Carlo simulations

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MDPI and ACS Style

Narojczyk, J.W.; Bilski, M.; Grima, J.N.; Kędziora, P.; Morozow, D.; Rucki, M.; Wojciechowski, K.W. Removing Auxetic Properties in f.c.c. Hard Sphere Crystals by Orthogonal Nanochannels with Hard Spheres of Another Diameter. Materials 2022, 15, 1134. https://doi.org/10.3390/ma15031134

AMA Style

Narojczyk JW, Bilski M, Grima JN, Kędziora P, Morozow D, Rucki M, Wojciechowski KW. Removing Auxetic Properties in f.c.c. Hard Sphere Crystals by Orthogonal Nanochannels with Hard Spheres of Another Diameter. Materials. 2022; 15(3):1134. https://doi.org/10.3390/ma15031134

Chicago/Turabian Style

Narojczyk, Jakub W., Mikołaj Bilski, Joseph N. Grima, Przemysław Kędziora, Dmitrij Morozow, Mirosław Rucki, and Krzysztof W. Wojciechowski. 2022. "Removing Auxetic Properties in f.c.c. Hard Sphere Crystals by Orthogonal Nanochannels with Hard Spheres of Another Diameter" Materials 15, no. 3: 1134. https://doi.org/10.3390/ma15031134

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Removing Auxetic Properties in f.c.c. Hard Sphere Crystals by Orthogonal Nanochannels with Hard Spheres of Another Diameter

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