Issue 91, 2014

Highly compressible behavior of polymer mediated three-dimensional network of graphene foam

Abstract

The compressive behavior of graphene foam (GF) and its polymer (polydimethyl siloxane) (PDMS) infiltrated structure are presented. While GF showed an irreversible compressibility, the GF/PDMS structure revealed a highly reversible mechanical behavior up to many cycles of compression and also possesses a six times higher compressive strength. In addition, the strain rate demonstrated a negligible effect on both the maximum achieved stress and energy absorption in the GF/PDMS structure. The mechanical responses of both GF and GF/PDMS structure are compared with carbon nanotubes based cellular structure and its composite with PDMS, where GF/PDMS presented a dominant mechanical characteristic among other carbon based micro foam structures. Therefore, the improved mechanical properties of GF/PDMS suggest its potential for dampers, cushions, packaging, etc.

Graphical abstract: Highly compressible behavior of polymer mediated three-dimensional network of graphene foam

Article information

Article type
Paper
Submitted
07 Aug 2014
Accepted
23 Sep 2014
First published
23 Sep 2014

RSC Adv., 2014,4, 50074-50080

Highly compressible behavior of polymer mediated three-dimensional network of graphene foam

S. K. Reddy, D. B. Ferry and A. Misra, RSC Adv., 2014, 4, 50074 DOI: 10.1039/C4RA08321K

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