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Cement-based composites modified by graphene oxide nano-materials: porosity and thermal conductivity
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Cement-based composites modified by graphene oxide nano-materials: porosity and thermal conductivity
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Journal Article
Cement-based composites modified by graphene oxide nano-materials: porosity and thermal conductivity
2023
Overview
This study looked into the way graphene oxide (GO) affects the porosity and thermal conductivity of composite materials fabricated from cement. Different concentrations ascribed to GO at 0.02%, 0.05, 0.07, and 0.1% were added to the cement samples (as per cement mass). The porosity showed a trend of first decreasing and then increasing, with the decrease in macroporosity being particularly pronounced. The porosity and thermal conductivity of GO-cement composites were measured. The findings demonstrated by incorporating GO, the thermal conductivity of GO-cement composites was firstly boosted, which later decreased with the largest enhancement at 0.02%. This study holds the promise of providing a basis for GO’s multi-field coupling of cement under multiple enhancements of mechanics, heat conduction, and hydration and contributing significantly to the application of GO.
Publisher
IOP Publishing
