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STUDY OF GLASS POURING PROCESS THROUGH A MOLD AND ITS INFLUENCE ON A SURFACE PATTERN OF A FINISHED GLASS SAMPLE
Abstract
Application of molds for creation of glass castings is a common occurrence in work of glass artist. One of the main aims of moldВ’s using is to create new patterns on a surface of glass sample. Generally, clay flower pots with a hole in bottom are used as glass molds where glass of different color is put. As the result, very interesting but absolutely unpredictable pattern, which would never be replicated, appears on a surface of a sample. So, the problem how to create the pattern, which can be replicated, appeared. Ability to replicate patterns on a surface of a sample made by glass pouring from a mold became the key issue of this research. To solve this problem, we analyzed behavior of a glass while it is pouring from a mold at high temperature with different conditions: firing schedule; configuration and size of hole in the bottom of a mold; proportion of two colors of glass put in a mold; elevation of mold above the bottom of a kiln; glass stowing method in a mold. For realization of this research we conducted series of studies where we changed the above parameters. These experiments were carried out in accordance with the theory of experimental planning in four stages. Also on a predesign stage we carried out additional experiment to study flow ability of glass, we made the chemical analysis of the raw material using the X-ray fluorescence analysis method. As a result, after data processing of experiments regularities of influence of the considered characteristics on character of the pattern on a surface of a glass sample have been received. Hereby, conducted experiments will help to create glass samples with predictable patterns, which can be replicated. That in turn is an invaluable contribution to the field of kilnformed glass.
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