Modelling of the Generation of Residual Stresses of Thermal Origin in Ceramic Materials

V. Cantavella; A. Mezquita; Arnaldo Moreno; G. Silva; J. Barberá

doi:10.4028/www.scientific.net/AST.45.83

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HomeAdvances in Science and TechnologyAdvances in Science and Technology Vol. 45Modelling of the Generation of Residual Stresses...

Modelling of the Generation of Residual Stresses of Thermal Origin in Ceramic Materials

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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Periodical:

Advances in Science and Technology (Volume 45)

Pages:

83-88

DOI:

https://doi.org/10.4028/www.scientific.net/AST.45.83

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Online since:

October 2006

Authors:

V. Cantavella, A. Mezquita, Arnaldo Moreno, G. Silva, J. Barberá

Keywords:

Firing, Heat Transfer, Modeling, Residual Stress

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References

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[3] Jian Lu: Handbook of Measurement of Residual Stresses (Fairmont Press, Lilburn 1996). -1. 0 -0. 8 -0. 6 -0. 4 -0. 2.

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[1] 0 -1. 0 -0. 8 -0. 6 -0. 4 -0. 2 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 ζ σ (MPa) Experimental Theoretical Fig. 10. Experimental and theoretical residual stress profile.

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