Bulk Crystallized Glazes in Quaternary System Na2O-CaO-MgO-SiO2

The subsolidus phase diagram of the quaternary system Na2O- CaO-MgO-SiO2 was derived. The system consists of 9 binary and 17 ternary compounds and may be divided into 59 elemental quaternary subsystems. Five compositions located inside the elemental quaternary subsystem CaO.SiO2- Na2O.2CaO.2SiO2-Na2...

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Veröffentlicht in:	Key engineering materials 1997-04, Vol.132-136, p.2143-2146
Hauptverfasser:	Preda, Maria, Rehner, Hans Helmut
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Building materials. Ceramics. Glasses Chemical industry and chemicals Exact sciences and technology Glazes, enamels
Online-Zugang:	Volltext
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Zusammenfassung:	The subsolidus phase diagram of the quaternary system Na2O- CaO-MgO-SiO2 was derived. The system consists of 9 binary and 17 ternary compounds and may be divided into 59 elemental quaternary subsystems. Five compositions located inside the elemental quaternary subsystem CaO.SiO2- Na2O.2CaO.2SiO2-Na2O.2CaO.3SiO2-2CaO.MgO.2SiO2 were synthesised. The resulting matte glazes had a melting point of 1300 C, and contained wollastonite and akermanite as the main crystalline phases. The crystals are elongated and prismatic. The glazes can be used in stoneware production. 6 refs.
ISSN:	1013-9826 1662-9795 1662-9795
DOI:	10.4028/www.scientific.net/KEM.132-136.2143