Influence of CNT Incorporation on the Carbonation of Conductive Cement Mortar

This study analyzed the influence of carbon nanotubes (CNTs) on the carbonation conductive cementitious composites. Two powder types of CNT, multi-walled and single-wall CNTs, were employed to give the cement mortar the conductivity, and four tests including the accelerated carbonation, compressive...

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Autores principales:	Gun-Cheol Lee, Youngmin Kim, Soo-Yeon Seo, Hyun-Do Yun, Seongwon Hong
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	multi-walled and single-walled carbon nanotubes carbonation electrical resistance porosity strength Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
Acceso en línea:	https://doaj.org/article/3e2cac00941146f28fabf02303d06a47
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spelling	oai:doaj.org-article:3e2cac00941146f28fabf02303d06a472021-11-11T18:13:01ZInfluence of CNT Incorporation on the Carbonation of Conductive Cement Mortar10.3390/ma142167211996-1944https://doaj.org/article/3e2cac00941146f28fabf02303d06a472021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1944/14/21/6721https://doaj.org/toc/1996-1944This study analyzed the influence of carbon nanotubes (CNTs) on the carbonation conductive cementitious composites. Two powder types of CNT, multi-walled and single-wall CNTs, were employed to give the cement mortar the conductivity, and four tests including the accelerated carbonation, compressive and flexural strength, electrical resistance, and porosity tests were carried out. To intentionally accelerate the carbonation, the prismatic specimens of conductive cement composites were fabricated and stored in the controlled environmental chamber at a constant temperature of 20 ± 2 °C, constant relative humidity of 60 ± 5%, and carbon dioxide (CO<sub>2</sub>) concentration of 5% for 12 weeks. It was observed that carbonation resulted in only chemical damage so that there was no change in the electrical resistance value of conductive cementitious mortar that had undergone a carbonation attack.Gun-Cheol LeeYoungmin KimSoo-Yeon SeoHyun-Do YunSeongwon HongMDPI AGarticlemulti-walled and single-walled carbon nanotubescarbonationelectrical resistanceporositystrengthTechnologyTElectrical engineering. Electronics. Nuclear engineeringTK1-9971Engineering (General). Civil engineering (General)TA1-2040MicroscopyQH201-278.5Descriptive and experimental mechanicsQC120-168.85ENMaterials, Vol 14, Iss 6721, p 6721 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	multi-walled and single-walled carbon nanotubes carbonation electrical resistance porosity strength Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85
spellingShingle	multi-walled and single-walled carbon nanotubes carbonation electrical resistance porosity strength Technology T Electrical engineering. Electronics. Nuclear engineering TK1-9971 Engineering (General). Civil engineering (General) TA1-2040 Microscopy QH201-278.5 Descriptive and experimental mechanics QC120-168.85 Gun-Cheol Lee Youngmin Kim Soo-Yeon Seo Hyun-Do Yun Seongwon Hong Influence of CNT Incorporation on the Carbonation of Conductive Cement Mortar
description	This study analyzed the influence of carbon nanotubes (CNTs) on the carbonation conductive cementitious composites. Two powder types of CNT, multi-walled and single-wall CNTs, were employed to give the cement mortar the conductivity, and four tests including the accelerated carbonation, compressive and flexural strength, electrical resistance, and porosity tests were carried out. To intentionally accelerate the carbonation, the prismatic specimens of conductive cement composites were fabricated and stored in the controlled environmental chamber at a constant temperature of 20 ± 2 °C, constant relative humidity of 60 ± 5%, and carbon dioxide (CO<sub>2</sub>) concentration of 5% for 12 weeks. It was observed that carbonation resulted in only chemical damage so that there was no change in the electrical resistance value of conductive cementitious mortar that had undergone a carbonation attack.
format	article
author	Gun-Cheol Lee Youngmin Kim Soo-Yeon Seo Hyun-Do Yun Seongwon Hong
author_facet	Gun-Cheol Lee Youngmin Kim Soo-Yeon Seo Hyun-Do Yun Seongwon Hong
author_sort	Gun-Cheol Lee
title	Influence of CNT Incorporation on the Carbonation of Conductive Cement Mortar
title_short	Influence of CNT Incorporation on the Carbonation of Conductive Cement Mortar
title_full	Influence of CNT Incorporation on the Carbonation of Conductive Cement Mortar
title_fullStr	Influence of CNT Incorporation on the Carbonation of Conductive Cement Mortar
title_full_unstemmed	Influence of CNT Incorporation on the Carbonation of Conductive Cement Mortar
title_sort	influence of cnt incorporation on the carbonation of conductive cement mortar
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/3e2cac00941146f28fabf02303d06a47
work_keys_str_mv	AT guncheollee influenceofcntincorporationonthecarbonationofconductivecementmortar AT youngminkim influenceofcntincorporationonthecarbonationofconductivecementmortar AT sooyeonseo influenceofcntincorporationonthecarbonationofconductivecementmortar AT hyundoyun influenceofcntincorporationonthecarbonationofconductivecementmortar AT seongwonhong influenceofcntincorporationonthecarbonationofconductivecementmortar
_version_	1718431878392840192

Influence of CNT Incorporation on the Carbonation of Conductive Cement Mortar

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