PORCELAIN GLAZE

FIELD: ceramics, glaze making. SUBSTANCE: invention relates to production of glazes used for applying on porcelain articles. Glaze has the following components, wt. -%: silicon oxide 63.79-66.97; aluminium oxide 10.94-14.74; calcium oxide 9.2-10.8; magnesium oxide 4.6-5.5; sodium oxide 1.9-2.34; pot...

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Bibliographic Details
Main Authors GURALOVA R.S, LOGINOV V.M, BUDASHKINA L.M
Format Patent
LanguageEnglish
Published 10.05.2000
Edition7
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
GLASS
JOINING GLASS TO GLASS OR OTHER MATERIALS
LIME, MAGNESIA
METALLURGY
MINERAL OR SLAG WOOL
REFRACTORIES
SLAG
SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS
SURFACE TREATMENT OF GLASS
TREATMENT OF NATURAL STONE
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Summary:FIELD: ceramics, glaze making. SUBSTANCE: invention relates to production of glazes used for applying on porcelain articles. Glaze has the following components, wt. -%: silicon oxide 63.79-66.97; aluminium oxide 10.94-14.74; calcium oxide 9.2-10.8; magnesium oxide 4.6-5.5; sodium oxide 1.9-2.34; potassium oxide 4.07-4.57; titanium oxide 0.05-0.07 and iron oxide 0.21-0.25. Glaze properties: thermostability is 15-17 thermal cyclings; luster is 47-49%; microhardness is 6.64-6.81; melting range is 1130-1260 C; silicate modulus is 5.09-6.15; refractive index is 1.504-1.508 and modulus of normal elasticity is 7.55-7.6. EFFECT: enhanced chemical stability, luster, increased temperature coefficient of linear expansion and microhardness. 3 tbl
Bibliography:Application Number: RU19970116648