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Using graphene networks to build bioinspired self-monitoring ceramics
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Picot, Olivier T., Rocha, Victoria G., Ferraro, Claudio, Ni, Na, D’Elia, Eleonora, Meille, Sylvain, Chevalier, Jerome, Saunders, Theo, Peijs, Ton, Reece, Mike J. and Saiz, Eduardo (2017) Using graphene networks to build bioinspired self-monitoring ceramics. Nature Communications, 8 . 14425. doi:10.1038/ncomms14425 ISSN 2041-1723.
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Official URL: http://dx.doi.org/10.1038/ncomms14425
Abstract
The properties of graphene open new opportunities for the fabrication of composites exhibiting unique structural and functional capabilities. However, to achieve this goal we should build materials with carefully designed architectures. Here, we describe the fabrication of ceramic-graphene composites by combining graphene foams with pre-ceramic polymers and spark plasma sintering. The result is a material containing an interconnected, microscopic network of very thin (20–30 nm), electrically conductive, carbon interfaces. This network generates electrical conductivities up to two orders of magnitude higher than those of other ceramics with similar graphene or carbon nanotube contents and can be used to monitor ‘in situ’ structural integrity. In addition, it directs crack propagation, promoting stable crack growth and increasing the fracture resistance by an order of magnitude. These results demonstrate that the rational integration of nanomaterials could be a fruitful path towards building composites combining unique mechanical and functional performances.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||
| Journal or Publication Title: | Nature Communications | ||||||
| Publisher: | Nature Publishing Group | ||||||
| ISSN: | 2041-1723 | ||||||
| Official Date: | 9 February 2017 | ||||||
| Dates: |
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| Volume: | 8 | ||||||
| Article Number: | 14425 | ||||||
| DOI: | 10.1038/ncomms14425 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access (Creative Commons) |
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