Effect of carbon nanotubes on compressive, flexural and tensile strengths of Portland cement-based materials: A systematic literature review

被引：122

作者：

Silvestro, Laura ^{[1
]}

Paul Gleize, Philippe Jean ^{[1
]}

机构：

[1] Fed Univ Santa Catarina UFSC, Dept Civil Engn, Lab Applicat Nanotechnol Civil Construct LabNANOT, Florianopolis, SC, Brazil

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2020年 / 264卷

关键词：

Carbon nanotubes; Cement-based materials; Compressive strength; Flexural strength; Tensile strength; ENHANCED MECHANICAL-PROPERTIES; DISPERSION; COMPOSITES; CONCRETE; PASTE; PERFORMANCE; CNT; MICROSTRUCTURE; NANOCOMPOSITES; SHRINKAGE;

D O I：

10.1016/j.conbuildmat.2020.120237

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Carbon nanotubes (CNTs) are materials with excellent properties. However, when incorporated into cement-based materials, improvements in mechanical properties cannot always be guaranteed owing to their difficult dispersion and low interfacial interaction with the matrix. A systematic literature review was conducted to elucidate the influence of CNTs on compressive, flexural and tensile strengths of cement-based materials. The incorporation of CNTs increased compressive strength by up to 30% and flexural and tensile strengths by up to 50%. Furthermore, the optimal CNT content to achieve these improvements is up to 0.1% by weight of cement (BWOC). (C) 2020 Elsevier Ltd. All rights reserved.

引用

页数：12

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