Author:
DANILAEV M.P.,KARANDASHOV S.A.,KUKLIN V.A.,SIDOROV I.N.,ENSKAYA A.I.
Abstract
Adequate mathematical models of the mechanical properties of particle-reinforced polymer composites (PRPC) require verification, which is difficult to do for at least the following reasons: lack of information on the mechanical characteristics of the transition layer formed at the modified particle-polymer interface, and lack of information about the mechanical characteristics of agglomerates that are inevitably formed during PRPC fabrication. This paper proposes a mathematical model for calculating the effective mechanical properties (bulk modulus, shear modulus, Young’s modulus, and Poisson’s ratio) of PRPC with encapsulated filler particles. The model is verified on PRPC samples with inclusions in the form of air bubbles. Simplified equations are derived for calculating the effective mechanical properties of PRPC with low-modulus inclusions in the form of air bubbles. It is shown that the proposed model provides reliable estimates of the bulk modulus, shear modulus, Young’s modulus and Poisson’s ratio of PRPC at a small relative fraction of submicron-sized filler particles in the matrix.
Publisher
Institute of Strength Physics and Materials Science SB RAS