Abstract
Carbon nanotubes (CNTs) are a primary nanomaterial that have outstanding physical and mechanical characteristics, and CNTs can be combined with cement-based materials to alter their heating characteristics. In this study, the types of CNTs used were multiwalled carbon nanotubes (MWCNTs) and single-walled carbon nanotubes (SWCNTs). Experiments were performed to determine the altered heating characteristics of the CNT cement mortars. The parameters of the experiment were CNT type, CNT content, curing age, and applied voltage. The results for the different CNT cement mortars indicate that mixing SWCNTs with water to produce CNT cement mortars was more effective for modifying the heating characteristics compared to mixing MWCNTs with water. In addition, field emission scanning electron microscope (FE-SEM) images supported the results found in the heating experiments.
Highlights
Various functionalization studies on the combination of cement-based materials with nanomaterials have been carried out for diverse purposes
It can be concluded that mixing single-walled carbon nanotubes (SWCNTs) with water improves the dispersibility of Carbon nanotubes (CNTs) when compared to mixing multiwalled carbon nanotubes (MWCNTs) with water, indicating the superior heating characteristics of SWCNTs
We conducted heating experiments in order to analyze the heating characteristics of CNT cement mortars produced by mixing SWCNTs and MWCNTs with cement
Summary
Various functionalization studies on the combination of cement-based materials with nanomaterials have been carried out for diverse purposes. Nanotechnology has become important in various different areas. This is especially true in the fields of machinery and aerospace, where cutting-edge nanotechnology is being used to develop mechanically stronger and functionally new materials. Research is being performed that improves the physical and mechanical characteristics of cement-based materials through the use of nanomaterials, providing the former with new functions. The multifunctionalization of construction materials with nanotechnology still remains a challenge. Experimental research is needed regarding new materials created through the convergence of nanotechnology and construction materials, which may result in a wide range of functions
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