najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМОnajo-1098Research ArticleСтатьиSimulation of elastic and plastic properties of polymeric composites with silicate lamellar nanofillerМоделирование упругих и пластических свойств полимерных композитов с силикатным пластинчатым нанонаполнителемГаришинО. К.GarishinO. K.

Perm

gar@icmm.ruЛебедевС. Н.LebedevS. N.

Perm

Institute of Continuous Media MechanicsRussian Federation201117082025227175Copyright © Garishin O.K., Lebedev S.N., 20252025Гаришин О.К., Лебедев С.Н.Garishin O.K., Lebedev S.N.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/1098

Polymer/silicate nanocomposites mechanical behaviour under finite deformation is investigated at structural level. Outcomes of computer simulation are presented. Nano-filler particles are modeled represented as sheaves from the several parallel ultrathin silicate plates parted by beds of polymer (tactoids), a matrix - as a nonlinear-elastic or elastoplastic material.

The stress-strain state round separate inclusion in dependence on its orientation to a exterior load direction and properties of a matrix is researched. The problem of the macro-homogeneous elongation of a periodic cell in the form of the rectangular field with a tactoid at centre has been solved for this purpose. Conditions at which a filler particle losses of a bending stability happens in the course of macroelongation of material are defined.

The estimate of nanocomposite macro mechanical behaviour depending on properties of a matrix, filler concentration and orientation of corpuscles is spent on the basis of the gained solutions. Appropriate dependencies between macro and micro-structural parameters associations are built.

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The authors declare that there are no conflicts of interest present.