Investigating the impact of copper-functionalized graphene oxide on the mechanical and electrical properties of cement composites
This study investigates the enhancement of copper-functionalized graphene oxide (Cu-GO) on cement composites. Graphene oxide (GO) was synthesized and functionalized with copper ions to improve its electrical conductivity. The experiment consisted of uniaxial compressive strength tests to evaluate st...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-07-01
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| Series: | Case Studies in Construction Materials |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214509525001512 |
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| author | Jin Kim Jaehyeon Jeon Jongyoung Lee Sanghun Kim Junggeun Han |
| author_facet | Jin Kim Jaehyeon Jeon Jongyoung Lee Sanghun Kim Junggeun Han |
| author_sort | Jin Kim |
| collection | DOAJ |
| description | This study investigates the enhancement of copper-functionalized graphene oxide (Cu-GO) on cement composites. Graphene oxide (GO) was synthesized and functionalized with copper ions to improve its electrical conductivity. The experiment consisted of uniaxial compressive strength tests to evaluate strength enhancement and electrical resistance measurements to assess conductivity improvement. The results showed that Cu-GO was well-dispersed within the cement matrix, maintaining the dispersibility of GO while increasing the compressive strength by 11 %. The electrical resistivity of the composites decreased by 52 %, indicating a significant enhancement in electrical properties. Furthermore, the study included experiments to monitor changes in resistivity due to cracking. During the compression fracture process, substantial changes in resistivity were observed just before failure, demonstrating the high sensitivity of Cu-GO composites to crack development. These findings indicate that Cu-GO improves both the mechanical strength and electrical properties of cement composites, presenting a promising potential of using Cu-GO composites on structural health monitoring with further studying. With these results, this study expects Cu-GO to be an ideal option for next-generation smart city construction material. |
| format | Article |
| id | doaj-art-d17cada6c5164162a730509e7239cd09 |
| institution | OA Journals |
| issn | 2214-5095 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Construction Materials |
| spelling | doaj-art-d17cada6c5164162a730509e7239cd092025-08-20T02:13:48ZengElsevierCase Studies in Construction Materials2214-50952025-07-0122e0435310.1016/j.cscm.2025.e04353Investigating the impact of copper-functionalized graphene oxide on the mechanical and electrical properties of cement compositesJin Kim0Jaehyeon Jeon1Jongyoung Lee2Sanghun Kim3Junggeun Han4Department of Intelligent Energy Industry, Chung-Ang University, Seoul 06974, South KoreaSchool of Civil and Environmental Engineering, Chung-Ang University, Seoul 06974, South KoreaSchool of Civil and Environmental Engineering, Chung-Ang University, Seoul 06974, South KoreaDepartment of Civil and Environmental Engineering, Temple University, Philadelphia, PA 19122, United StatesDepartment of Intelligent Energy Industry, Chung-Ang University, Seoul 06974, South Korea; School of Civil and Environmental Engineering, Chung-Ang University, Seoul 06974, South Korea; Correspondence to: Chung-Ang University Address, 84 Heukseok-ro, Dongjak-gu, Seoul, 06974, Republic of KoreaThis study investigates the enhancement of copper-functionalized graphene oxide (Cu-GO) on cement composites. Graphene oxide (GO) was synthesized and functionalized with copper ions to improve its electrical conductivity. The experiment consisted of uniaxial compressive strength tests to evaluate strength enhancement and electrical resistance measurements to assess conductivity improvement. The results showed that Cu-GO was well-dispersed within the cement matrix, maintaining the dispersibility of GO while increasing the compressive strength by 11 %. The electrical resistivity of the composites decreased by 52 %, indicating a significant enhancement in electrical properties. Furthermore, the study included experiments to monitor changes in resistivity due to cracking. During the compression fracture process, substantial changes in resistivity were observed just before failure, demonstrating the high sensitivity of Cu-GO composites to crack development. These findings indicate that Cu-GO improves both the mechanical strength and electrical properties of cement composites, presenting a promising potential of using Cu-GO composites on structural health monitoring with further studying. With these results, this study expects Cu-GO to be an ideal option for next-generation smart city construction material.http://www.sciencedirect.com/science/article/pii/S2214509525001512Graphene oxide (GO)Copper functionalized graphene oxide (Cu-GO)Cement compositesMechanical propertiesElectrical propertiesStructural health monitoring |
| spellingShingle | Jin Kim Jaehyeon Jeon Jongyoung Lee Sanghun Kim Junggeun Han Investigating the impact of copper-functionalized graphene oxide on the mechanical and electrical properties of cement composites Case Studies in Construction Materials Graphene oxide (GO) Copper functionalized graphene oxide (Cu-GO) Cement composites Mechanical properties Electrical properties Structural health monitoring |
| title | Investigating the impact of copper-functionalized graphene oxide on the mechanical and electrical properties of cement composites |
| title_full | Investigating the impact of copper-functionalized graphene oxide on the mechanical and electrical properties of cement composites |
| title_fullStr | Investigating the impact of copper-functionalized graphene oxide on the mechanical and electrical properties of cement composites |
| title_full_unstemmed | Investigating the impact of copper-functionalized graphene oxide on the mechanical and electrical properties of cement composites |
| title_short | Investigating the impact of copper-functionalized graphene oxide on the mechanical and electrical properties of cement composites |
| title_sort | investigating the impact of copper functionalized graphene oxide on the mechanical and electrical properties of cement composites |
| topic | Graphene oxide (GO) Copper functionalized graphene oxide (Cu-GO) Cement composites Mechanical properties Electrical properties Structural health monitoring |
| url | http://www.sciencedirect.com/science/article/pii/S2214509525001512 |
| work_keys_str_mv | AT jinkim investigatingtheimpactofcopperfunctionalizedgrapheneoxideonthemechanicalandelectricalpropertiesofcementcomposites AT jaehyeonjeon investigatingtheimpactofcopperfunctionalizedgrapheneoxideonthemechanicalandelectricalpropertiesofcementcomposites AT jongyounglee investigatingtheimpactofcopperfunctionalizedgrapheneoxideonthemechanicalandelectricalpropertiesofcementcomposites AT sanghunkim investigatingtheimpactofcopperfunctionalizedgrapheneoxideonthemechanicalandelectricalpropertiesofcementcomposites AT junggeunhan investigatingtheimpactofcopperfunctionalizedgrapheneoxideonthemechanicalandelectricalpropertiesofcementcomposites |