The structure of glasses in the local region of the Na 2 O - Fe 2 O 3 - B 2 O 3 system has been studied - SiO 2 . The sequence of formation of oxygen-containing tetrahedral groups in the presence of non-bridging oxygen ions has been established. The formation of groups of the six-coordinated iron cation promotes the crystallization of sodium-borosilicate glass melts upon cooling. Tab. 2, ill. 2, bibliography: 9 titles.
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UDK 666.112.9:546.72'33'28'27:539.213.1.001.5
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Science for glass production
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