The processes of thermochemical hardening of aluminosilicate glass are investigated. The glass was processed in a KNO3 melt under industrial and laboratory conditions at 440…480 °C for 1…120 h. The effect of processing modes on glass properties was evaluated using Vickers microhardness measurement, spectrophotometry, magnetophotoelasticity to measure compressive stresses, and local birefringence analysis to determine the depth of the compressed layer, as well as X-ray fluorescence to evaluate cation exchange. The link between the temperature-time parameters of ion exchange and changes in glass’s structural, mechanical, and optical properties was revealed.
Daniil V. Vinogradov – student, Mendeleev University of Chemical Technology of Russia (MUCTR), Moscow, Russia; 1st category engineer-technologist, JSC “V. F. Solinov NITS”, Moscow, Russia
Ivan A. Veselov – postgraduate student, Mendeleev University of Chemical Technology of Russia (MUCTR), Moscow, Russia
Georgy Yu. Shakhgildyan – PhD in Chemistry, Associate Professor, Mendeleev University of Chemical Technology of Russia (MUCTR), Moscow, Russia
Roman A. Tatyanin – head of the Scientific and Production Laboratory No. 23, JSC “V. F. Solinov NITS”, Moscow, Russia
Dmitry S. Dorofeev – head of the Test Station, JSC “V. F. Solinov NITS”, Moscow, Russia; senior lecturer, IPTIP RTU MIREA, Moscow, Russia
Evgeniya H. Mamadzhanova – PhD in Chemistry, head of the Chief Technologist Department, JSC “V. F. Solinov NITS”, Moscow, Russia
Yuri I. Mashir – Doctor of Technical Sciences, general designer, deputy managing director for science, JSC “V. F. Solinov NITS”, Moscow, Russia
Vladimir N. Sigaev – DSc. in Chemistry, Professor, head of the Department of Chemical Technology of Glass and Glass-Ceramics, Mendeleev University of Chemical Technology of Russia (MUCTR), Moscow, Russia
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