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Mechanical, electrical and microstructural characterisation of multifunctional structural power composites

Greenhalgh, E.S.; Ankersen, J.; Asp, L.E.; Bismarck, A.; Fontana, Q.P.V.; Houlle, M.; Kalinka, G.; Kucernak, A.; Mistry, M.; Nguyen, S.; Qian, H.; Shaffer, M.S.P.; Shirshova, N.; Steinke, J.H.G.; Wienrich, M.

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Authors

E.S. Greenhalgh

J. Ankersen

L.E. Asp

A. Bismarck

Q.P.V. Fontana

M. Houlle

G. Kalinka

A. Kucernak

M. Mistry

S. Nguyen

H. Qian

M.S.P. Shaffer

J.H.G. Steinke

M. Wienrich



Abstract

Multifunctional composites which can fulfil more than one role within a system have attracted considerable interest. This work focusses on structural supercapacitors which simultaneously carry mechanical load whilst storing/delivering electrical energy. Critical mechanical properties (in-plane shear and in-plane compression performance) of two monofunctional and four multifunctional materials were characterised, which gave an insight into the relationships between these properties, the microstructures and fracture processes. The reinforcements included baseline T300 fabric, which was then either grafted or sized with carbon nanotubes, whilst the baseline matrix was MTM57, which was blended with ionic liquid and lithium salt (two concentrations) to imbue multifunctionality. The resulting composites exhibited a high degree of matrix heterogeneity, with the ionic liquid phase preferentially forming at the fibres, resulting in poor matrix-dominated properties. However, fibre-dominated properties were not depressed. Thus, it was demonstrated that these materials can now offer weight savings over conventional monofunctional systems when under modest loading.

Citation

Greenhalgh, E., Ankersen, J., Asp, L., Bismarck, A., Fontana, Q., Houlle, M., …Wienrich, M. (2015). Mechanical, electrical and microstructural characterisation of multifunctional structural power composites. Journal of Composite Materials, 49(15), 1823-1834. https://doi.org/10.1177/0021998314554125

Journal Article Type Article
Online Publication Date Oct 7, 2014
Publication Date Jun 1, 2015
Deposit Date Dec 13, 2016
Publicly Available Date Jun 26, 2018
Journal Journal of Composite Materials
Print ISSN 0021-9983
Electronic ISSN 1530-793X
Publisher SAGE Publications
Peer Reviewed Peer Reviewed
Volume 49
Issue 15
Pages 1823-1834
DOI https://doi.org/10.1177/0021998314554125
Related Public URLs http://hdl.handle.net/10044/1/31487

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Copyright Statement
Greenhalgh, E. S., Ankersen, J., Asp, L. E., Bismarck, A., Fontana, Q. P. V., Houlle, M., Kalinka, G., Kucernak, A., Mistry, M., Nguyen, S., Qian, H., Shaffer, M. S. P., Shirshova, N., Steinke, J. H. G. & Wienrich, M. (2015). Mechanical, electrical and microstructural characterisation of multifunctional structural power composites. Journal of Composite Materials 49(15): 1823-1834. Copyright © 2014 The Author(s). Reprinted by permission of SAGE Publications.







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