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Effect of Carbon Nanotube Aqueous Dispersion Quality on Mechanical Properties of Cement Composite

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Nasibulina, Larisa I.
dc.contributor.author Anoshkin, Ilya V.
dc.contributor.author Nasibulin, Albert G.
dc.contributor.author Cwirzen, Andrzej
dc.contributor.author Penttala, Vesa
dc.contributor.author Kauppinen, Esko I.
dc.date.accessioned 2015-10-30T10:02:10Z
dc.date.available 2015-10-30T10:02:10Z
dc.date.issued 2012
dc.identifier.citation Nasibulina, Larisa I. & Anoshkin, Ilya V. & Nasibulin, Albert G. & Cwirzen, Andrzej & Penttala, Vesa & Kauppinen, Esko I. 2012. Effect of Carbon Nanotube Aqueous Dispersion Quality on Mechanical Properties of Cement Composite. Journal of Nanomaterials. Volume 2012. 1-6. ISSN 1687-4110 (printed). DOI: 10.1155/2012/169262 en
dc.identifier.issn 1687-4110 (printed)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/18230
dc.description.abstract An effect of the quality of carbon nanotube (CNT) dispersions added to cement on paste mechanical properties has been studied. High-quality dispersions of few-walled CNT (FWCNTs) were produced in two steps. First, FWCNTs were functionalized in a mixture of nitric and sulfuric acids (70 wt.% and 96 wt.%, resp.) at 80 ∘C . Second, functionalized FWCNTs were washed out by acetone to remove carboxylated carbonaceous fragments (CCFs) formed during CNT oxidation. Mechanical test results showed 2-fold increase in the compressive strength of the cement paste prepared from the dispersion of acetone-washed functionalized FWCNTs, which is believed to occur due to the chemical interaction between cement matrix and functional groups (–COOH and –OH). Utilisation of unwashed FWCNTs led to a marginal improvement of mechanical properties of the cement pastes, whereas surfactant-treated functionalized FWCNT dispersions only worsened the mechanical properties. en
dc.format.extent 1-6
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Hindawi Publishing Corporation en
dc.relation.ispartofseries Journal of Nanomaterials en
dc.relation.ispartofseries Volume 2012
dc.rights © 2012 Larisa I. Nasibulina et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. en
dc.subject.other Physics en
dc.title Effect of Carbon Nanotube Aqueous Dispersion Quality on Mechanical Properties of Cement Composite en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.rights.holder Authors
dc.contributor.school Perustieteiden korkeakoulu fi
dc.contributor.school School of Science en
dc.contributor.department Teknillisen fysiikan laitos fi
dc.contributor.department Department of Applied Physics en
dc.subject.keyword FWCNT dispersions en
dc.subject.keyword cement en
dc.subject.keyword mechanical properties en
dc.subject.keyword cement composites en
dc.identifier.urn URN:NBN:fi:aalto-201510304806
dc.type.dcmitype text en
dc.identifier.doi 10.1155/2012/169262
dc.type.version Final published version en

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