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Phase Relations in the System Na 2 O‐TiO 2 ‐SiO 2
Author(s) -
GLASSER F. P.,
MARR J.
Publication year - 1979
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1979.tb18802.x
Subject(s) - liquidus , eutectic system , metastability , phase diagram , materials science , phase (matter) , quenching (fluorescence) , mineralogy , ternary numeral system , ternary operation , analytical chemistry (journal) , thermodynamics , crystallography , chemistry , microstructure , metallurgy , fluorescence , optics , physics , organic chemistry , chromatography , computer science , programming language
Liǵuid us and subsolidus phase relations were studied using the quenching technique. The system contains four ternary compounds stable to liquidus temperatures: Na 2 TiSi 4 O 11 , Na 2 TiSi 2 O 7 , Na 2 TiSiO 5 , and Na 2 Ti 2 Si 2 O 9 . Six eutectics, eight peritecties, and eight thermal maxima were located and a region of liquid immiscibility was delineated. X‐ray powder data are given for the stable and metastable crystalline phases. Glass‐transition temperatures were determined by thermal analysis. The relation between physical properties of melts and glasses and the configuration of the liquidus is discussed.