Enhanced mechanical properties of anti-corrosive concrete coated by milled carbon nanofiber-reinforced composite paint

Song Jeong-Sang; Kwac Lee-Ku; Kim Hong-Gun; Ryu Seung-Kon

doi:10.1007/s42823-023-00528-w

Enhanced mechanical properties of anti-corrosive concrete coated by milled carbon nanofiber-reinforced composite paint

Carbon Letters
Abbr : Carbon Lett.
2023, 33(4), pp.1095-1104
DOI : 10.1007/s42823-023-00528-w
Publisher : Korean Carbon Society
Research Area : Natural Science > Natural Science General > Other Natural Sciences General
Received : February 15, 2023
Accepted : April 9, 2023
Published : June 1, 2023

Song Jeong-Sang ¹, Kwac Lee-Ku ¹, Kim Hong-Gun ¹, Ryu Seung-Kon ¹

¹Jeonju University

Accredited

ABSTRACT

In this study, a milled carbon nanofiber-reinforced composite paint was prepared to enhance the anti-corrosive properties of concrete structures. Shorter-length (40 μm) milled carbon fibers (MCFs) showed an increased viscosity relative to longer MCFs (120 μm) owing to their 2 weeks (the decrease was especially strong in the acid solution). A carbon nanotube (CNT)-reinforced composite paint showed similar results in uniform distribution in the epoxy resin. The latter showed a decrease in viscosity owing to agglomerative movement in the epoxy resin. The surface hardness and tensile strength of the composite paint linearly increased as the carbon nanofiber loading was increased by up to 7.2 wt% in the epoxy resin, and slowly decreased after soaking in a sulfuric acid or sodium hydroxide solution for to those of the MCFs, whereas CNTs dispersed in isopropyl alcohol (IPA) in advance and mixed with resin showed lower hardness values than those without dispersion in IPA at the same loading. The mechanical properties such as the Shore D hardness and tensile strength of the MCF-reinforced composite paint increased significantly, resulting in a slower surface degradation of the composite paint concrete in a sulfuric acid and sodium hydroxide solution.

KEYWORDS

Anti-corrosive concrete Milled carbon nanofibers Composite paint Shore D hardness

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This paper was written with support from the National Research Foundation of Korea.

KJCKorea
Journal Central

Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 4.82

Enhanced mechanical properties of anti-corrosive concrete coated by milled carbon nanofiber-reinforced composite paint

ABSTRACT

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Citation status

This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-26)

Total Citation Counts(KCI+WOS) (2) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (2) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-07-01)

* References for papers published after 2023 are currently being built.

Carbon Letters 2023 KCI Impact Factor : 1.35 KCI-WoS Impact Factor : 4.82

Enhanced mechanical properties of anti-corrosive concrete coated by milled carbon nanofiber-reinforced composite paint

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WoS Citation Counts (2) This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-26)

Total Citation Counts(KCI+WOS) (2) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (2) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-07-01)

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This is the result of checking the information with the same ISSN, publication year, volume, and start page between the WoS and the KCI journals. (as of 2024-07-26)

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