Preprint Article Version 1 This version is not peer-reviewed

The Thermal Conductivity of Periodic partIculate Composites as Obtained from a Crystallographic Mode of Particle Packing

Version 1 : Received: 5 July 2018 / Approved: 9 July 2018 / Online: 9 July 2018 (11:52:04 CEST)

How to cite: Venetis, J.; Sideridis, E.P. The Thermal Conductivity of Periodic partIculate Composites as Obtained from a Crystallographic Mode of Particle Packing. Preprints 2018, 2018070134 (doi: 10.20944/preprints201807.0134.v1). Venetis, J.; Sideridis, E.P. The Thermal Conductivity of Periodic partIculate Composites as Obtained from a Crystallographic Mode of Particle Packing. Preprints 2018, 2018070134 (doi: 10.20944/preprints201807.0134.v1).

Abstract

In this paper, an icosahedral non – body centered model to simulate the periodic structure of homogeneous particulate composites, by predicting the particle arrangement, is presented. This model has yielded three different variations which correspond at three different deterministic particle configurations.  In addition, the concept of boundary interphase between matrix and inclusions was taken into account. Thus, the influence of particle vicinity was examined in parallel with the interphase concept on the thermomechanical properties of the overall material. Next, by the use of this model the authors derived a closed – form expression to estimate the thermal conductivity of this type of composites. To test the validity of the model, the theoretical values arising from the proposed formula were compared with other theoretical predictions obtained from several accurate formulae found in the literature and an adequate accordance was observed.

Subject Areas

particulate composites; periodic structure; particle contiguity; interphase; thermal conductivity

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