O. V. Nikulenkova, A. E. Krupnin, P. V. Dmitryakov, Yu. D. Zagoskin, S. N. Malakhov, T. E. Grigoriev, N. M. Kuznetsov, S. N. Chvalun
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Abstract
The mechanical behavior of porous chitosan particles with various diameters obtained by freeze drying is investigated. The morphology of the particles is visualized by scanning electron microscopy. It is shown that the particles have a predominantly spherical shape and a honeycomb-like structure with interpenetrating pores. The mechanical characteristics of the particle material are modeled using the neo-Hookean, second-order Yeoh, Blatz-Ko, and third-order Ogden foam hyperelastic models, based on the results of mechanical compression tests between parallel plates and numerical solution of the reverse-engineering problem using the finite-element method. Force-displacement curves are plotted for the proposed models and then verified in a similar full-scale experiment with particles of another diameter.
期刊介绍：
Nanobiotechnology Reports publishes interdisciplinary research articles on fundamental aspects of the structure and properties of nanoscale objects and nanomaterials, polymeric and bioorganic molecules, and supramolecular and biohybrid complexes, as well as articles that discuss technologies for their preparation and processing, and practical implementation of products, devices, and nature-like systems based on them. The journal publishes original articles and reviews that meet the highest scientific quality standards in the following areas of science and technology studies: self-organizing structures and nanoassemblies; nanostructures, including nanotubes; functional and structural nanomaterials; polymeric, bioorganic, and hybrid nanomaterials; devices and products based on nanomaterials and nanotechnology; nanobiology and genetics, and omics technologies; nanobiomedicine and nanopharmaceutics; nanoelectronics and neuromorphic computing systems; neurocognitive systems and technologies; nanophotonics; natural science methods in a study of cultural heritage items; metrology, standardization, and monitoring in nanotechnology.
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