Mechanical, electrical and microstructural characterisation of multifunctional structural power composites
| Autor: | Mayur K. Mistry, Emile S. Greenhalgh, Anthony Kucernak, Q. P. V. Fontana, Sang N. Nguyen, Matthieu Houllé, Leif Asp, Joachim H. G. Steinke, Hui Qian, Alexander Bismarck, Malte Wienrich, Milo S. P. Shaffer, Natasha Shirshova, J. Ankersen, Gerhard Kalinka |
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| Přispěvatelé: | Commission of the European Communities, Ministry Of Defence, Engineering & Physical Science Research Council (EPSRC) |
| Rok vydání: | 2015 |
| Předmět: |
Technology
Materials science Materials Science Fractography Carbon nanotube mechanical properties Carbon fibres fractography 0901 Aerospace Engineering law.invention chemistry.chemical_compound law functional composites Materials Chemistry Structural power Composite material 0912 Materials Engineering Materials Supercapacitor Science & Technology Mechanical load Mechanical Engineering PERFORMANCE Microstructure chemistry Mechanics of Materials Materials Science Composites Ionic liquid Ceramics and Composites elastic properties 0913 Mechanical Engineering |
| Zdroj: | Journal of composite materials, 2015, Vol.49(15), pp.1823-1834 [Peer Reviewed Journal] |
| Popis: | 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. |
| Databáze: | OpenAIRE |
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