Detail publikačního výsledku

Effect of carbon nanotubes on the mechanical fracture properties of alkali-activated materials

ROVNANÍK, P.; ŠIMONOVÁ, H.; TOPOLÁŘ, L.; SCHMID, P.; KERŠNER, Z.

Originální název

Effect of carbon nanotubes on the mechanical fracture properties of alkali-activated materials

Anglický název

Effect of carbon nanotubes on the mechanical fracture properties of alkali-activated materials

Druh

Kapitola, resp. kapitoly v odborné knize

Originální abstrakt

The chapter reports on a study of the effect of multi-walled carbon nanotubes (MWCNTs) when used as dispersed reinforcement on the fracture properties and microstructure of alkali-activated materials. The amount of MWCNTs added varied in the range of 0.05–0.2% of the mass of aluminosilicate precursor. Mechanical and fracture properties were determined using fracture tests carried out on 40 × 40 × 160 mm specimens with a central notch. The observed parameters were compressive strength, modulus of elasticity, effective fracture toughness and specific fracture energy. Specimen response during fracture tests was also monitored by means of acoustic emission, and this method was also used for the determination of cracking tendency due to autogenous and drying shrinkage occurring during the hardening process.

Anglický abstrakt

The chapter reports on a study of the effect of multi-walled carbon nanotubes (MWCNTs) when used as dispersed reinforcement on the fracture properties and microstructure of alkali-activated materials. The amount of MWCNTs added varied in the range of 0.05–0.2% of the mass of aluminosilicate precursor. Mechanical and fracture properties were determined using fracture tests carried out on 40 × 40 × 160 mm specimens with a central notch. The observed parameters were compressive strength, modulus of elasticity, effective fracture toughness and specific fracture energy. Specimen response during fracture tests was also monitored by means of acoustic emission, and this method was also used for the determination of cracking tendency due to autogenous and drying shrinkage occurring during the hardening process.

Klíčová slova

geopolymer; metakaolin; slag; fly ash; carbon nanotubes; fracture parameters; acoustic emision; shrinkage

Klíčová slova v angličtině

geopolymer; metakaolin; slag; fly ash; carbon nanotubes; fracture parameters; acoustic emision; shrinkage

Autoři

ROVNANÍK, P.; ŠIMONOVÁ, H.; TOPOLÁŘ, L.; SCHMID, P.; KERŠNER, Z.

Rok RIV

2018

Vydáno

18.12.2017

ISBN

978-83-7365-474-7

Kniha

Research and modelling in civil engineering 2017

Edice

1

Strany od

37

Strany do

50

Strany počet

14

BibTex

@inbook{BUT140080,
  author="Pavel {Rovnaník} and Hana {Šimonová} and Libor {Topolář} and Pavel {Schmid} and Zbyněk {Keršner}",
  title="Effect of carbon nanotubes on the mechanical fracture properties of alkali-activated materials",
  booktitle="Research and modelling in civil engineering 2017",
  year="2017",
  series="1",
  edition="1",
  pages="37--50",
  isbn="978-83-7365-474-7"
}