POSSIBILITY OF CLAY DAMAGE DURING DRYING

The convective drying of plate made of clay is considered in the paper. The model of drying with material coefficients dependent on the moisture content and the temperature is presented. The material is assumed to be brittle-elastic (linear elasticity with moisture dependent material constants). The...

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Bibliographic Details
Published inDrying technology Vol. 19; no. 8; pp. 1645 - 1659
Main Author Musielak, Grzegorz
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 31.08.2001
Subjects
Bending test
Clay
Convective drying
Non-linear model
Numerical simulation
Shrinkage
Strength
Stress
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Summary:The convective drying of plate made of clay is considered in the paper. The model of drying with material coefficients dependent on the moisture content and the temperature is presented. The material is assumed to be brittle-elastic (linear elasticity with moisture dependent material constants). The strength of the material estimated by bending test, is moisture dependent. Numerical simulation of drying processes is done. Through the comparison of the stresses arising during drying with the strength of the material the possibility of dried body damage is shown. The range of constant drying conditions in which damage is expected is specified.
ISSN:0737-3937
1532-2300
DOI:10.1081/DRT-100107264