Advanced cement based nanocomposites reinforced with MWCNTs and CNFs

Emmanuel E. Gdoutos; Maria S. Konsta-Gdoutos; Panagiotis A. Danoglidis; Surendra P Shah

doi:10.1007/s11709-016-0342-1

Advanced cement based nanocomposites reinforced with MWCNTs and CNFs

Emmanuel E. Gdoutos^*, Maria S. Konsta-Gdoutos, Panagiotis A. Danoglidis, Surendra P Shah

^*Corresponding author for this work

Civil and Environmental Engineering

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

Cementitious materials reinforced with well dispersed multiwall carbon nanotubes (MWCNTs) and carbon nanofibers (CNFs) at the nanoscale were fabricated and tested. The MWCNTs and CNFs were dispersed by the application of ultrasonic energy and the use of a superplasticizer. Mechanical and fracture properties including flexural strength, Young’s modulus, flexural and fracture toughness were measured and compared with similarly processed reference cement based mixes without the nano-reinforcement. The MWCNTs and CNFs reinforced mortars exhibited superior properties demonstrated by a significant improvement in flexural strength (106%), Young’s modulus (95%), flexural toughness (105%), effective crack length (30%) and fracture toughness (120%).

Original language	English (US)
Pages (from-to)	142-149
Number of pages	8
Journal	Frontiers of Structural and Civil Engineering
Volume	10
Issue number	2
DOIs	https://doi.org/10.1007/s11709-016-0342-1
State	Published - Jun 1 2016

Keywords

carbon nanofibers
mortars
multi-walled carbon nanotubes
toughness
Young’s modulus

ASJC Scopus subject areas

Architecture
Civil and Structural Engineering

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10.1007/s11709-016-0342-1

Cite this

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title = "Advanced cement based nanocomposites reinforced with MWCNTs and CNFs",

abstract = "Cementitious materials reinforced with well dispersed multiwall carbon nanotubes (MWCNTs) and carbon nanofibers (CNFs) at the nanoscale were fabricated and tested. The MWCNTs and CNFs were dispersed by the application of ultrasonic energy and the use of a superplasticizer. Mechanical and fracture properties including flexural strength, Young{\textquoteright}s modulus, flexural and fracture toughness were measured and compared with similarly processed reference cement based mixes without the nano-reinforcement. The MWCNTs and CNFs reinforced mortars exhibited superior properties demonstrated by a significant improvement in flexural strength (106%), Young{\textquoteright}s modulus (95%), flexural toughness (105%), effective crack length (30%) and fracture toughness (120%).",

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AU - Danoglidis, Panagiotis A.

AU - Shah, Surendra P

PY - 2016/6/1

Y1 - 2016/6/1

N2 - Cementitious materials reinforced with well dispersed multiwall carbon nanotubes (MWCNTs) and carbon nanofibers (CNFs) at the nanoscale were fabricated and tested. The MWCNTs and CNFs were dispersed by the application of ultrasonic energy and the use of a superplasticizer. Mechanical and fracture properties including flexural strength, Young’s modulus, flexural and fracture toughness were measured and compared with similarly processed reference cement based mixes without the nano-reinforcement. The MWCNTs and CNFs reinforced mortars exhibited superior properties demonstrated by a significant improvement in flexural strength (106%), Young’s modulus (95%), flexural toughness (105%), effective crack length (30%) and fracture toughness (120%).

AB - Cementitious materials reinforced with well dispersed multiwall carbon nanotubes (MWCNTs) and carbon nanofibers (CNFs) at the nanoscale were fabricated and tested. The MWCNTs and CNFs were dispersed by the application of ultrasonic energy and the use of a superplasticizer. Mechanical and fracture properties including flexural strength, Young’s modulus, flexural and fracture toughness were measured and compared with similarly processed reference cement based mixes without the nano-reinforcement. The MWCNTs and CNFs reinforced mortars exhibited superior properties demonstrated by a significant improvement in flexural strength (106%), Young’s modulus (95%), flexural toughness (105%), effective crack length (30%) and fracture toughness (120%).

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KW - toughness

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Advanced cement based nanocomposites reinforced with MWCNTs and CNFs

Abstract

Keywords

ASJC Scopus subject areas

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