Modelling of the Generation of Residual Stresses of Thermal Origin in Ceramic Materials |
| Journal |
Advances in Science and Technology (Volume 45) |
| Volume |
11th International Ceramics Congress |
| Edited by |
P. VINCENZINI |
| Pages |
83-88 |
| DOI |
10.4028/www.scientific.net/AST.45.83 |
| Online since |
October, 2006 |
| Authors |
V. Cantavella,
A. Mezquita,
A. Moreno,
G. Silva,
J. Barberá
|
| Keywords |
Firing, Heat Transfer, Modeling, Residual Stress |
| Abstract |
During the cooling of ceramic materials stresses arise that cause flows of material. These
flows lead to residual stresses in the materials at the kiln exit. Laboratory tests were carried out
using a composition based on white-firing clays, which was fired according to cycles with different
cooling rates. Residual stresses were measured using the layer removal method. The internal
temperature profile during industrial cooling and the stress generation process were simulated. The
results of the simulation fit with great accuracy the experimentally measured residual stress values. |
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