Mössbauer and X-ray study of the firing process for production of improved roofing tiles

R. Rekecki, E. Kuzmann, Z. Homonnay, J. Ranogajec

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The effects of firing atmosphere parameters on the microstructural characteristics and physical properties of clay roofing tiles were studied. For these investigations, 57Fe Mössbauer spectroscopy, X-ray diffractometry and dilatometry were used. XRD of the raw material exploited from the clay pit belonging to the roofing tile factory "Potisje-Kanjiza", revealed the presence of montmorillonite, kaolinite, illite and some chlorite clay minerals, as well as, quartz, albite, calcite and dolomite. Gradual changes were observed both in the 57Fe Mössbauer spectra and X-ray diffractograms with samples fired in reducing CO/N2 gas atmosphere at temperatures between 700 and 1060 °C. These changes reflect the dehydroxylation processes, oxide (Fe3O4) formation, carbonate decomposition, densification and new silicate (plagioclase) formation. The firing conditions in reducing atmosphere were determined to produce roofing tiles with improved properties.

Original languageEnglish
Pages (from-to)27-35
Number of pages9
JournalHyperfine Interactions
Volume217
Issue number1-3
DOIs
Publication statusPublished - 2013

Fingerprint

tiles
Tile
clays
atmospheres
X rays
Chlorite minerals
Bentonite
Kaolin
Silicates
dilatometry
illite
Quartz
x rays
kaolinite
Calcium Carbonate
Carbonates
Carbon Monoxide
plagioclase
montmorillonite
densification

Keywords

  • Fe Mössbauer spectroscopy
  • Clay roofing tiles
  • Firing in reducing atmosphere
  • Microstructure
  • X-ray diffractometry

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Nuclear and High Energy Physics
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry

Cite this

Mössbauer and X-ray study of the firing process for production of improved roofing tiles. / Rekecki, R.; Kuzmann, E.; Homonnay, Z.; Ranogajec, J.

In: Hyperfine Interactions, Vol. 217, No. 1-3, 2013, p. 27-35.

Research output: Contribution to journalArticle

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