Composite Networks

Catalin R. Picu

doi:10.1017/9781108779920.012

11 - Composite Networks

Published online by Cambridge University Press: 15 September 2022

Catalin R. Picu

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Catalin R. Picu: Affiliation:
Rensselaer Polytechnic Institute, New York

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Summary

This chapter is dedicated to composites in which the reinforcement is a stochastic fiber network. Many network materials are reinforced by the addition of fillers of various geometry. However, in most current applications, filler dimensions are orders of magnitude larger than the characteristic length scales of the network. The focus of this chapter is on the properties of composites with matched filler-network length scales. The four sections of the chapter present the mechanics of networks reinforced with particles of dimensions comparable with the network pores, networks reinforced with stiff fibers, interpenetrating networks in which reinforcement is provided by the interaction with another network which spans the same spatial domain, and of networks embedded in a continuum matrix. It is shown that exceptional properties may be achieved due to the emergence of interphases in thermal and athermal networks with rigid fillers, and in interpenetrating network systems. The results and concepts presented are aimed to stimulate the future development of reinforced network materials.

Keywords

nanocomposites homogenization filled elastomers fiber reinforcement nanoparticle reinforcement double networks interpenetrating networks hydrogel stiffening strengthening

Type: Chapter
Information: Network Materials
Structure and Properties
, pp. 393 - 427

DOI: https://doi.org/10.1017/9781108779920.012 [Opens in a new window]

Publisher: Cambridge University Press

Print publication year: 2022

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11 - Composite Networks

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