Preparation and Mechanical Properties of Graphene Oxide Cement Composites

Dear Colleagues,

Over the past decade, carbon-based nanomaterials (e.g., graphite, graphene, carbon nanotube) have been extensively studied in cement composites to utilize their superior mechanical properties. Graphene oxide (GO) in particular has received a great amount of attention as a new type of cement admixture due to its large surface area and dissolution ability into water. GO is a chemically modified graphene, and surface functionalization enables oxygen groups to be added onto the surface of graphene. These oxygen groups are thought to coordinate ions to initiate the nucleation of cement hydrates, allowing GOs to play a positive role for nanoseeding materials during cement hydration. Moreover, GOs promote nanofilling and nanobridging mechanisms in the cement matrix. As a result, mechanical properties and performance of GO-reinforced cement composites are significantly improved.

The goal of this Special Issue is to disseminate original research (experimental, theoretical, computational) and review studies that address but are not limited to the followings topics on GO cement composites: (1) trends, challenges, and future, (2) high-performing and cost-effective GOs (3) materials preparation and characterization, (4) mechanical properties and behaviors, and (5) multiscale applications and implementations.

Dr. Boo Hyun Nam
Guest Editor

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• Graphene oxide (GO) and reduced graphene oxide (rGO)
• Surface functionalization
• Cement and concrete
• Nanomaterials and nanoscale engineering
• Mechanical properties
• Materials characterization and microstructural analysis