Enhanced Electrical Properties of Fly Ash Geopolymer Composites with Carbon Nanotubes
Carbon nanotubes (CNTs) are used for the application in concrete especially due to their excellent physical properties. In this study, CNTs were used as a conductive admixture to prepare composites with enhanced electrical properties that might be potentially used in smart concretes or structures. W...
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| Veröffentlicht in: | Solid state phenomena 2019-08, Vol.296, p.137-142 |
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| container_title | Solid state phenomena |
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| creator | Mizerová, Cecílie Bayer, Patrik Kusák, Ivo Rovnaník, Pavel |
| description | Carbon nanotubes (CNTs) are used for the application in concrete especially due to their excellent physical properties. In this study, CNTs were used as a conductive admixture to prepare composites with enhanced electrical properties that might be potentially used in smart concretes or structures. We assessed the changes in selected electrical properties of fly ash geopolymer mortars (conductivity, resistance, capacitance) depending on the concentration of CNTs that ranged from 0.05 to 0.20%. The most convenient CNTs concentration was discussed considering both the electrical and mechanical properties (compressive and flexural strength). Mercury intrusion porosimetry and scanning electron microscopy were used to observe the distribution of CNTs and porosity of the mortars. |
| doi_str_mv | 10.4028/www.scientific.net/SSP.296.137 |
| format | Article |
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| source | Scientific.net Journals |
| subjects | Admixtures Carbon nanotubes Composite materials Compressive strength Electrical properties Electrical resistivity Fly ash Intrusion Mechanical properties Mortars (material) Physical properties Porosity |
| title | Enhanced Electrical Properties of Fly Ash Geopolymer Composites with Carbon Nanotubes |
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