Ceramics-Silikáty 36, (4) 187 - 198 (1992) |
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THE GLASS ANNEALING PROCESS IN LABORATORY CONDITIONS AND ITS CONTROL
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Kasa Stanislav 1, Lisý Antonín 1, Randák Roman 2
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1 Department of Glass and Ceramics, Institute of Chemical Technology, Technická 5, 166 28 Prague 6, Czechoslovakia
2 Rapotín Glassworks, 78814 Rapotín, Czechoslovakia
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In accordance with the theoretical analysis of glass annealing process a laboratory kiln has been calculated designed and constructed. This kiln has been completed by control and measuring instrument, which allowed the comparison of the temperature regime, with the pre-calculated annealing curve. For the control of annealing process the computer SAPI 1 equipped with a compiled software programme have been used. The control of glass annealing process and its quality has been verified by several samples, of sheet glass. A very good correspondence between the calculated and measured value, of mechanical stresses in glass has been found. |
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