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Thermal Resistance of Alkali Activated Binders Synthesized Using the Fly Ash and Steel Slag

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2015
826.pdf (378.6Kb)
Authors
Nikolić, Irena
Marković, Smilja
Karanović, Ljiljana
Radmilović, Vuk V.
Radmilović, Velimir R.
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Abstract
The thermal resistance of alkali-activated binders based on fly ash (FA), electric arc furnace slag (EAFS) and their FA/EAFS blends was assessed. Compressive strengths of samples before and after firing were measured. The samples were characterized by X-ray powder diffraction (XRPD), scanning electron microscopy (SEM), energydispersive X-ray spectra (EDS), thermal (TG/DTA) analysis. Besides, the sintering shrinkage were recorded by thermomechanical analyzer (TMA) during non-isothermal sintering up to 900 ºC with heating rate of 15 º/min, in an air atmosphere. The main reaction products in FA and EAFS based alkali activated binders are the sodiumalumino-silicate-hydrate (N–A–S–H) and calcium-alumino-silicate-hydrate (C-A-S-H) type gels, respectively. FA/EAFS based binders are characterized by the presence of N-A-S-H gel with the high content of Ca. The EAFS based binders exhibited superior performances in terms of compressive strength than FA based binders. Thermal resistance of FA base...d binders was improved by the slag addition. This research was supported by a Ministry of Science of Montenegro under the contract No. 01-460.

Keywords:
alkali-activated binders / fly ash / steel slag / thermal resistance
Source:
Programme and The Book of Abstracts / Seventeenth Annual Conference YUCOMAT 205, Herceg Novi, August 31– September 4, 2015, 2015, 24-24
Publisher:
  • Belgrade : Materials Research Society of Serbia
Projects:
  • Ministry of Science of Montenegro, Project no. 01-460
  • Synthesis, processing and applications of nanostructured multifunctional materials with defined properties (RS-45019)
  • Development, characterization and application nanostructured and composite electrocatalysts and interactive supports for fuel cells and water electrolysis (RS-172054)
[ Google Scholar ]
URI
http://dais.sanu.ac.rs/123456789/829
Collections
  • ITN SANU - Opšta kolekcija / ITS SASA - General collection
Institution
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - CONF
AU  - Nikolić, Irena
AU  - Marković, Smilja
AU  - Karanović, Ljiljana
AU  - Radmilović, Vuk V.
AU  - Radmilović, Velimir R.
PY  - 2015
UR  - http://dais.sanu.ac.rs/123456789/829
AB  - The thermal resistance of alkali-activated binders based on fly ash (FA), electric arc furnace slag (EAFS) and their FA/EAFS blends was assessed. Compressive strengths of samples before and after firing were measured. The samples were characterized by X-ray powder diffraction (XRPD), scanning electron microscopy (SEM), energydispersive X-ray spectra (EDS), thermal (TG/DTA) analysis. Besides, the sintering shrinkage were recorded by thermomechanical analyzer (TMA) during non-isothermal sintering up to 900 ºC with heating rate of 15 º/min, in an air atmosphere. The main reaction products in FA and EAFS based alkali activated binders are the sodiumalumino-silicate-hydrate (N–A–S–H) and calcium-alumino-silicate-hydrate (C-A-S-H) type gels, respectively. FA/EAFS based binders are characterized by the presence of N-A-S-H gel with the high content of Ca. The EAFS based binders exhibited superior performances in terms of compressive strength than FA based binders. Thermal resistance of FA based binders was improved by the slag addition. This research was supported by a Ministry of Science of Montenegro under the contract No. 01-460.
PB  - Belgrade : Materials Research Society of Serbia
C3  - Programme and The Book of Abstracts / Seventeenth Annual Conference YUCOMAT 205, Herceg Novi, August 31– September 4, 2015
T1  - Thermal Resistance of Alkali Activated Binders Synthesized Using the Fly Ash and Steel Slag
SP  - 24
EP  - 24
ER  - 
@conference{
author = "Nikolić, Irena and Marković, Smilja and Karanović, Ljiljana and Radmilović, Vuk V. and Radmilović, Velimir R.",
year = "2015",
url = "http://dais.sanu.ac.rs/123456789/829",
abstract = "The thermal resistance of alkali-activated binders based on fly ash (FA), electric arc furnace slag (EAFS) and their FA/EAFS blends was assessed. Compressive strengths of samples before and after firing were measured. The samples were characterized by X-ray powder diffraction (XRPD), scanning electron microscopy (SEM), energydispersive X-ray spectra (EDS), thermal (TG/DTA) analysis. Besides, the sintering shrinkage were recorded by thermomechanical analyzer (TMA) during non-isothermal sintering up to 900 ºC with heating rate of 15 º/min, in an air atmosphere. The main reaction products in FA and EAFS based alkali activated binders are the sodiumalumino-silicate-hydrate (N–A–S–H) and calcium-alumino-silicate-hydrate (C-A-S-H) type gels, respectively. FA/EAFS based binders are characterized by the presence of N-A-S-H gel with the high content of Ca. The EAFS based binders exhibited superior performances in terms of compressive strength than FA based binders. Thermal resistance of FA based binders was improved by the slag addition. This research was supported by a Ministry of Science of Montenegro under the contract No. 01-460.",
publisher = "Belgrade : Materials Research Society of Serbia",
journal = "Programme and The Book of Abstracts / Seventeenth Annual Conference YUCOMAT 205, Herceg Novi, August 31– September 4, 2015",
title = "Thermal Resistance of Alkali Activated Binders Synthesized Using the Fly Ash and Steel Slag",
pages = "24-24"
}
Nikolić I, Marković S, Karanović L, Radmilović VV, Radmilović VR. Thermal Resistance of Alkali Activated Binders Synthesized Using the Fly Ash and Steel Slag. Programme and The Book of Abstracts / Seventeenth Annual Conference YUCOMAT 205, Herceg Novi, August 31– September 4, 2015. 2015;:24-24
Nikolić, I., Marković, S., Karanović, L., Radmilović, V. V.,& Radmilović, V. R. (2015). Thermal Resistance of Alkali Activated Binders Synthesized Using the Fly Ash and Steel Slag.
Programme and The Book of Abstracts / Seventeenth Annual Conference YUCOMAT 205, Herceg Novi, August 31– September 4, 2015Belgrade : Materials Research Society of Serbia., null, 24-24. 
Nikolić Irena, Marković Smilja, Karanović Ljiljana, Radmilović Vuk V., Radmilović Velimir R., "Thermal Resistance of Alkali Activated Binders Synthesized Using the Fly Ash and Steel Slag" null (2015):24-24

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