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Determination of the firing temperature of clay brick

From National Research Council Canada

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  1. National Research Council of Canada
FormatText, Article
SubjectBrick; clay bricks; heat treatment; freeze thaw cycles; physical changes; quality control; heating - cooling cycle; length anomaly; endothermic heat effect; differential scanning calorimetry
Abstract
When clay brick were fired at various temperatures between 900 degrees and 1050 degrees C and subjected to a heating- cooling cycle (20 degrees to 1050 degrees C) in a dilatometer, the magnitude of the length anomaly at 573 degrees C, due to alpha quartz-beta quartz inversion, and that of residual shrinkage were found to be a function of the temperature at which the bricks had originally been fired. This was true also for the magnitude of the endothermic heat effect determined by differential scanning calorimetry. It is suggested that these methods be utilized to determine the firing temperature of brick as an index for quality control purposes.
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  • American Ceramic Society Bulletin 63, no. 4 (April 1984): 617–18, 627.
LanguageEnglish
Peer reviewedYes
IdentifierDBR-P-1206
NRC numberNRCC 23489
NRC-IRC-2110
NPARC number20373933
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Record identifier6b0e435c-5a21-41e9-bc30-997ae0840838
Record created2012-07-23
Record modified2024-03-22
Date modified: