Method for producing glasses, glass ceramics, and the use thereof
作者： Frank-Thomas Lentes , Friedrich Siebers , Ulrich Schiffner , Klaus Schoenberger , Christian Mueller
DOI:
关键词: Ceramic 、 Impurity 、 Residence time (fluid dynamics) 、 Melting tank 、 Decomposition 、 Melting temperature 、 Materials science 、 Refining (metallurgy) 、 Raw material 、 Mineralogy 、 Analytical chemistry
摘要: The invention relates to a method for producing bubble-free glasses, in which glass mixture that is arsenic-free and antimony-free with the exception of any unavoidable raw material impurities as well at least one sulphate compound SnO 2 refining agents are used. comprising melted melting tank (1), down taking place primary refinement being carried out first region (10) an average temperature (T 1 ) set T > 1560 °C melt residence time (t t hours said (10). proportion SO 3 resulting from decomposition reduced less than 0.002 wt.% out. A secondary second (20) 1640 hour (20).
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