Abstract
This work examines the rheological behaviour of aqueous highly diluted suspensions (1 mass-%) to identify additives that may improve the application of vitreous enamel coatings by electrophoretic deposition (EPD). Slurries for EPD were prepared by ball milling frit glass in water with suspending agents. The effect of different additives in the solids concentration range from 0.2 to 2.0 mass-% on the rheological properties of coating solutions was investigated using rotational rheometry and zeta potential measurements. Different sedimentation times were observed for the tested dispersant, binder and coagulator additives. Densicer, an organic-inorganic mix additive, showed the best properties in terms of suspension stability. The high zeta potential measured with this product confirms its potential suitability as a suspension additive for vitreous enamel coatings applied by EPD.
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References
Sarkar, P., Nicholson, P.S.: Electrophoretic sedimentation (EPD): Mechanism, kinetics and application to ceramics. J. Am. Ceram. Soc. 79 (1996) 1987–2002
Boccaccini, A.R., Zhitomirsky, I.: Application of electrophoretic and electrolytic sedimentation techniques in ceramics processing. Curr. Opin. Solid State Mater. Sci. 6 (2002) 251–260
Van der Biest, O.O., Vandeperre, L.J.: Electrophoretic sedimentation of materials. Ann. Rev. Mater. Sci. 29 (1999) 327–352
Gebhardt, F., Seuss, S., Turhan, M.C. Hornberger, H., Virtanen, S., Boccaccini, A.R.: Characterization of electrophoretic chitosan coatings on stainless steel. Mat. Lett. 66 (2012) 302–304
Ferrari, B., Gonzalez, S., Moreno, R., Baudìn C.: Multilayer coatings with improved reliability produced by aqueous electrophoretic sedimentation. J. Europ. Ceram. Soc. 26 (2006) 27–36
Besr, L., Liu, M.: A review on fundamentals and applications of electrophoretic sedimentation (EPD). Progress in Mater. Sci. 52 (2007) 1–61
Guven, N., Pollastro, R.M. (Eds.): Molecular aspects of aqueous smectite suspensions in clay-water interface and its rheological implications. Clay Minerals Society Workshop Lectures, Clay Min. Soc., Boulder, Colorado 4 (1992) 2–79
Shankar, P., Teo, J., Leong, Y.K., Fourie, A., Fahey, M.: Adsorbed phosphate additives for interrogating the nature of interparticles forces in kaolin clay slurries via rheological yield stress. Adv. Powder Techn. 21 (2010) 380–385
Caballero, E., Jimenez de Cisneros, C.: Hydration properties of bentonites from Cabo de Gata (SE, Spain). Isotopic study (18O/16O; 2H/H) of the hydration water. Chemie der Erde 71 (2011) 389–395
Jiang, G.P., Yanga, J.F., Gao, J.Q., Niihara, K.: Characterization of porous silicon nitride ceramics using bentonite as binder and sintering additive. Mater. Characterization 60 (2009) 456–460
Lapasin, R.: Scuola di Reologia Ceramica. Ed. DICAMP — Università di Trieste (2008)
Morrison, I.D., Ross, S.: Colloidal dispersions; suspensions, emulsions and foams. John Wiley & Sons, New York (2002) 420–455. ISBN: 0-4712-1923-1
Bergstrom, L.: Rheology of concentrated suspensions. In: R. Pugh and L. L. Bergstrom (Eds.): Surfactant and colloid chemistry in ceramic processing. Sweden (1994) [51] 193–244 ISBN: 0-8247-9098-7
Corni, I., Ryan, M. P., Boccaccini A.R.: Electrophoretic deposition: From traditional ceramics to nanotechnology. J. Europ. Ceram. Soc. 28 (2008) 1353–1367
Besra, L., Liu, M.: A review of fundamentals and application of electrophoretic deposition. Progr. in Mater. Sci. 52 (2007) [1] 1–61
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Dignatici, M., Chavez-Valdez, A., Andreola, F. et al. Effect of Additives on the Dispersion and Electrophoretic Deposition of Highly Diluted Enamel Suspensions. Interceram. - Int. Ceram. Rev. 64, 45–48 (2015). https://doi.org/10.1007/BF03401100
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DOI: https://doi.org/10.1007/BF03401100