The Effect of Carbon Nanotubes on the Flowability, Mechanical, Microstructural and Durability Properties of Cementitious Composite: An Overview

Excellent mechanical properties and chemical stability make carbon nanotubes (CNTs) some of the most promising nanomaterials that can be used in cementitious composites to improve their performance. However, the difficulty of CNTs’ dispersion within the cementitious structure still exists and thus p...

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Bibliographic Details
Published inSustainability Vol. 12; no. 20; p. 8362
Main Authors Adhikary, Suman Kumar, Rudžionis, Žymantas, Rajapriya, R
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 12.10.2020
Subjects
Carbon
Cement
Chemical vapor deposition
Composite materials
Composite structures
Computer simulation
Concrete
Durability
Hydration
Influence
Investigations
Mechanical properties
Nanomaterials
Nanotechnology
Pollutants
Production methods
Surfactants
Water-cement ratio
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Summary:Excellent mechanical properties and chemical stability make carbon nanotubes (CNTs) some of the most promising nanomaterials that can be used in cementitious composites to improve their performance. However, the difficulty of CNTs’ dispersion within the cementitious structure still exists and thus prevents the homogeneous distribution of CNTs. The homogeneous distribution of CNTs within a composite structure plays an essential role that can have a positive effect on the mechanical performance of CNT-cement composites. This paper introduces the methods for the production of CNTs and provides useful information about the influence of CNTs on the flowability, mechanical performance, microstructural changes and hydration of cement composites. The influences of water-cement ratio, used surfactants and various doses of CNTs on the properties of cementitious composites were also studied.
ISSN:2071-1050
2071-1050
DOI:10.3390/su12208362