EFFECT OF COMPOSITION AND TEMPERATURE ON SOLUBILITY OF IRON OXIDE IN GROUND-COAT ENAMEL GLASS* |
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| Authors: | A. I. Andrews Howard R. Swift |
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| Affiliation: | Department OF Ceramic Engineering University OF Illinois Urbana, Illinois |
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| Abstract: | The solubility of iron oxide in ground-coat enamel glasses at various temperatures was studied by adding varying amounts of ferric oxide to the milled enamel and giving the mixture a heat-treatment to acquire uniformity without devitrification at the desired temperature. The iron oxide solubility was obtained by finding the breaking point in the curve for iron oxide versus index of refraction. The frit solubilities were obtained at 1400°, 1600°, 1800°, and 2000°F. with variations in Na2O, B2O3, A12O3, CaF2, CaO, F2, SiO2, COO, NiO, MnO2, BaO, and MoO3. Data are given on a number of commercial frits. |
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