Components of the Co3Cr4(PO4)6-Cr(PO3)3 System and the Compound CoCr2(P2O7)2 as New Ceramic Pigments
ČlánekOmezený přístuppeer-reviewedThis is a postprint of an article published in Materials Chemistry and Physics. The final authenticated version is available online at: https://doi.org/10.1016/j.matchemphys.2019.121763 or https://www.sciencedirect.com/science/article/pii/S0254058419305553?via%3DihubDatum publikování
2019
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Elsevier Science SA
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The compounds: Co3Cr4(PO4)6, Cr(PO3)3 and CoCr2(P2O7)2 were tested for possible application as ceramics and anticorrosive pigments. They were characterized by SEM analysis, determination of particle size distribution and thermal stability. All phosphates were thermally stable up to 1100 °C so they can be used for colouring of middle-temperature ceramic glazes. The gravimetrical determination of corrosive loss of steel sheets and other corrosion factors characterizing the resistance to corrosion in an aqueous environment of the phosphates were discussed. The colour properties of the compounds were studied for powders and pigments introduced into organic matrix and several single-firing ceramic glazes. It is shown that the investigated phosphates can be used as ceramic pigments only for leadless single-firing ceramic glaze. The optimum pigment concentration sufficient for colouring glaze was close to 2 wt %. Generally, the examined phosphates have interesting green, greenish-blue and cyan shades.
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121763-1-121763-10
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0254-0584
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Materials Chemistry and Physics, volume 235, issue: September
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https://www.sciencedirect.com/science/article/pii/S0254058419305553?via%3Dihub
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Text článku ve verzi postprint bude přístupný od 19.06.2021.
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Inorganic pigments, Optical properties, Corrosion, Ceramics, System CoO-P2O5-Cr2O3, CoCr2(P2O7)2, Anorganické pigmenty, optické vlastnosti, koroze, keramika systém CoO-P2O5-Cr2O3, CoCr2(P2O7)2
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Except where otherwised noted, this item's license is described as Text článku ve verzi postprint bude přístupný od 19.06.2021.