Directionally Crystallized Sodium Lead Silicate Glass-Ceramic

Autor:	J. F. Duncan, P. J. Melling
Rok vydání:	1980
Předmět:	Materials science Glass-ceramic Sodium Nucleation Mineralogy chemistry.chemical_element Microstructure law.invention Crystal Devitrification Chemical engineering chemistry law Phase (matter) Materials Chemistry Ceramics and Composites Crystallization
Zdroj:	Journal of the American Ceramic Society. 63:264-267
ISSN:	1551-2916 0002-7820
DOI:	10.1111/j.1151-2916.1980.tb10716.x
Popis:	The iron-nucleated devitrification of a sodium lead silicate glass was studied; it produces a glass-ceramic consisting of sodium metasilicate crystals in a lead silicate glass matrix. The nucleating agent is not incorporated in the crystal phase, Anisotropic devitrification of the glass in a thermal gradient produces an aligned microstructure with needles of sodium metasilicate oriented with the c axis parallel to the direction of crystallization.
Databáze:	OpenAIRE
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