dc.contributor.author | Gawel, Kamila | |
dc.contributor.author | Wenner, Sigurd | |
dc.contributor.author | Edvardsen, Laura | |
dc.date.accessioned | 2022-10-11T07:52:36Z | |
dc.date.available | 2022-10-11T07:52:36Z | |
dc.date.created | 2021-09-24T13:47:13Z | |
dc.date.issued | 2021 | |
dc.identifier.citation | Construction and Building Materials. 2021, 305, 1-11. | en_US |
dc.identifier.issn | 0950-0618 | |
dc.identifier.uri | https://hdl.handle.net/11250/3025274 | |
dc.description.abstract | The conductivity of cement/carbon nanofiber (CNF) composite materials has previously been shown to be affected by parameters such as e.g. CNF content or water to cement (w/c) ratios, water saturation and temperature. However, whether and to what extent chemical processes like cement carbonation can affect the electrical conductivity of cement/CNF materials remains unexplored. To investigate this the resistivity changes upon carbonation of Portland G cement/CNF composites were followed for more than 4 months. An increase in resistivity was observed within the first weeks of carbonation followed by a plateau and a subsequent decrease after 4 months. The changes in resistivity were correlated with the progress of the carbonation front followed using X-ray tomography. The magnitude of the resistivity changes was found to be related to w/c ratio. Volumetric changes affecting the connectivity between the CNFs can explain the resistivity changes. | en_US |
dc.language.iso | eng | en_US |
dc.publisher | Elsevier | en_US |
dc.rights | Navngivelse 4.0 Internasjonal | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/deed.no | * |
dc.title | Effect of carbonation on bulk resistivity of cement/carbon nanofiber composites | en_US |
dc.type | Peer reviewed | en_US |
dc.type | Journal article | en_US |
dc.description.version | publishedVersion | en_US |
dc.rights.holder | © 2021 The Author(s). Published by Elsevier Ltd | en_US |
dc.source.pagenumber | 11 | en_US |
dc.source.volume | 305 | en_US |
dc.source.journal | Construction and Building Materials | en_US |
dc.identifier.doi | 10.1016/j.conbuildmat.2021.124794 | |
dc.identifier.cristin | 1938254 | |
dc.source.articlenumber | 124794 | en_US |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 2 | |