Detail publikace

Electrical Properties of Alkali-Activated Slag Mortar with Carbon Fibres

ROVNANÍK, P. MÍKOVÁ, M. KUSÁK, I.

Originální název

Electrical Properties of Alkali-Activated Slag Mortar with Carbon Fibres

Anglický název

Electrical Properties of Alkali-Activated Slag Mortar with Carbon Fibres

Jazyk

en

Originální abstrakt

Building materials with enhanced electrical properties gain the importance in the new field of applications such as self-sensing or self-heating materials. In this paper, 3 mm long carbon fibres were used as a conductive admixture to alkali-activated slag mortar in order to reduce its resistivity. The amount of carbon fibres was ranging from 0.5 to 4.0% of the slag mass and the effect of the conductive admixture on the mechanical properties, electrical resistance, specific conductivity, and microstructure of alkali-activated slag composite was investigated. Only 0.5% of carbon fibres caused a significant decrease in resistance of alkali-activated slag composite and the addition of 4% reduced the resistance by one order of magnitude for low AC frequencies. However, due to problematic dispersion and higher demand of mixing water, the mechanical properties were deteriorated, especially at higher content of carbon fibres.

Anglický abstrakt

Building materials with enhanced electrical properties gain the importance in the new field of applications such as self-sensing or self-heating materials. In this paper, 3 mm long carbon fibres were used as a conductive admixture to alkali-activated slag mortar in order to reduce its resistivity. The amount of carbon fibres was ranging from 0.5 to 4.0% of the slag mass and the effect of the conductive admixture on the mechanical properties, electrical resistance, specific conductivity, and microstructure of alkali-activated slag composite was investigated. Only 0.5% of carbon fibres caused a significant decrease in resistance of alkali-activated slag composite and the addition of 4% reduced the resistance by one order of magnitude for low AC frequencies. However, due to problematic dispersion and higher demand of mixing water, the mechanical properties were deteriorated, especially at higher content of carbon fibres.

Dokumenty

BibTex 


@inproceedings{BUT138957,
  author="Pavel {Rovnaník} and Maria {Míková} and Ivo {Kusák}",
  title="Electrical Properties of Alkali-Activated Slag Mortar with Carbon Fibres",
  annote="Building materials with enhanced electrical properties gain the importance in the new field of applications such as self-sensing or self-heating materials. In this paper, 3 mm long carbon fibres were used as a conductive admixture to alkali-activated slag mortar in order to reduce its resistivity. The amount of carbon fibres was ranging from 0.5 to 4.0% of the slag mass and the effect of the conductive admixture on the mechanical properties, electrical resistance, specific conductivity, and microstructure of alkali-activated slag composite was investigated. Only 0.5% of carbon fibres caused a significant decrease in resistance of alkali-activated slag composite and the addition of 4% reduced the resistance by one order of magnitude for low AC frequencies. However, due to problematic dispersion and higher demand of mixing water, the mechanical properties were deteriorated, especially at higher content of carbon fibres.",
  address="Trans Tech Publications",
  booktitle="Binders, Materials and Technologies in Modern Construction III",
  chapter="138957",
  doi="10.4028/www.scientific.net/MSF.908.100",
  edition="1",
  howpublished="print",
  institution="Trans Tech Publications",
  year="2017",
  month="october",
  pages="100--105",
  publisher="Trans Tech Publications",
  type="conference paper"
}