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REVISTA DE CHIMIE
Cite as: Rev. Chim.
https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
ISSN Online 2668-8212
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Revista de Chimie (Rev. Chim.), Year 2007, Volume 58, Issue 2,





Study of the Distribution and Shape
of the Pores in Silica Porcelain

Abstract:

Two industrial chemically-similar compositions of electric silica porcelain, containing variable amounts of kaolin, feldspar and quartz, have been tested for their microstructure. The crystalline and glassy phases, and the pores in the studied samples were investigated by optical and electron microscopy. The number of measured pores in identical area sections in the two samples differs in relationship with the type and amount of raw materials used. Sample R4, with a higher concentration of clay minerals and a lower quartz amount presented twice as many closed, larger pores as sample R3, which was obtained from higher amounts of feldspar and lower clayey materials. On the contrary, the roundness of pores in sample R4 is higher than that of pores in sample R3. SEM pictures of the investigated ceramic surfaces illustrate the study. Keywords: silica porcelain, microstructure, pores

Issue: 2007, Volume 58, Issue 2
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