Ceramics-Silikáty 55, (1) 59 - 63 (2011) |
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THEORETICAL COMPUTATION OF A STRESS FIELD IN A CYLINDRICAL GLASS SPECIMEN
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Hodoň Július 1, Liška Marek 1, Krečmer Norbert 2
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1 Vitrum Laugaricio - Joint Glass Center, of IIC SAS, TnU AD, FChPT STU and RONA,
Trencin SK-911 50, Slovak Republic
2 RONA, j.s.c., Lednické Rovne, SK-020 61, Slovak Republic
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Keywords: Mechanical stress, Numerical model, Structural relaxation, Stress relaxation, Thermoelasticity
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This work deals with the computation of the stress field generated in an infinitely high glass cylinder while cooling. The
theory of structural relaxation is used in order to compute the heat capacity, the thermal expansion coefficient, and the
viscosity. The relaxation of the stress components is solved in the frame of the Maxwell viscoelasticity model. The obtained
results were verified by the sensitivity analysis and compared with some experimental data. |
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