The Firing Temperature of Romanesque Brick from Pác

Podoba, Rudolf; Štubňa, Igor; Lukovičová, Jozefa; Bačík, Peter

doi:10.2478/v10299-012-0009-y

Abstract

A pavement brick taken from a Romanesque part of the church in Pác, in the Trnava County, Slovakia, was investigated by x-ray diffraction analysis (XRD) and thermal analyses as differential thermal analysis (DTA), thermogravimetry (TG) and thermodilatometry (TD). It was found that the brick contained dehydroxylated illitic clay, calcite and quartz. As revealed, dehydroxylation was completely finished and no redehydroxylation was observed. Partial decomposition of calcite was also found. The estimated firing temperature is between 600 °C and 700 °C.

References

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The Firing Temperature of Romanesque Brick from Pác

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