The effect of milling and percentage dissociation of plasma dissociated zircon on the colour of Pr-yellow and V-blue zircon pigments

Eppler, 1977, Resistance of porcelain enamels to attack by aqueous media: II Equations to predict enamel durability, Am. Ceram. Soc. Bull., 56, 1068 Llusar, 2002, Synthesis of iron zircon coral by co precipitation routes, J. Mater. Sci., 36, 153, 10.1023/A:1004801406230 Matkovitch, 1961, Formation of Zircon from Zircon Dioxide and Silicon Dioxide in the presence of Vanadium Pentoxide, J. Am. Ceram. Soc., 44, 128, 10.1111/j.1151-2916.1961.tb13726.x Ocana, 1999, The effects of the NaF flux on the oxidation state and localization of praseodymium in Pr-doped zircon pigments, J. Eur. Ceram. Soc., 19, 641, 10.1016/S0955-2219(98)00233-7 Booth, 1962, Preparation and properties of some zirconium stains, Br. Ceram. Trans., 61, 359 Kato, 1956, Study of the family of pigments together with Praseodymium yellow, Rep. Gov. Ind. Res. Inst, Nagoya., 147 Eppler, 1977, Zirconia-based colours for ceramic glazes, Am. Ceram. Soc. Bull., 56, 213 Batchelor, 1974, Modern inorganic pigments, Am. Ceram. Soc. Bull., 73, 297 Weber, H., Process for the production of zirconium-praseodymium yellow pigments. United States Patent 3,510,332, 1970. Bell, B.T., Ceramic Pigments. United States Patent 3,589,925, 1971. Morriss, H.A. and Williamson, J.P.H., Production of Calcined Ceramic Pigments. United States Patent 4,047,970, 1977. Shi, 1994, Microstructure and properties of laser surface hardened M2 high speed steel, Acta Metall. Mater., 43, 217, 10.1016/0956-7151(95)90277-5 Labuschagne, 2003, Crack formation during forced quenching in laser transformation hardening of SAE 1055 (EN-9) type steel, 1 Bpulos, 1995, Induction plasma processing for material synthesis and waste treatment, 89 CIE. Reccomendations on Uniform Colour Spaces, Colour Difference Equations, Psychometrics Colour Terms. Supplement number 2 of CIE Publ. No 15 (E1-1.31) 1971. Bureau Central de la CIE, Paris; 1978.