Electrophoretic deposition and sintering of zirconia layers on microstructured steel substrates |
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| Affiliation: | 1. Forschungszentrum Karlsruhe, Institute for Materials Research III, P.O. Box 3640, D-76021 Karlsruhe, Germany;2. Wieland Dental + Technik GmbH & Co. KG, P.O. Box 2040, D-75179 Pforzheim, Germany;1. TU Wien, Institute of Chemical Technologies and Analytics, Getreidemarkt 9/164-CT, 1060 Vienna, Austria;2. Lithoz GmbH, Mollardgasse 85A/2/64–69, 1060 Vienna, Austria;3. Montanuniversität Leoben, Department of Materials Science, Franz Josef-Strasse 18, 8700 Leoben, Austria;1. Department of Mechanical & Aerospace Engineering, Benjamin M. Statler College of Engineering & Mineral Resources, West Virginia University, Morgantown, WV 26506, USA;2. C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, WV 26506, USA;1. Chemische Technologie der Materialsynthese, Fakultät für Chemie und Pharmazie, Julius-Maximilians-Universität Würzburg, Röntgenring 11, 97070, Würzburg, Germany;2. Fraunhofer Center for High Temperature Materials and Design, Bayreuth, Germany |
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| Abstract: | A method is developed to electrophoretically deposit homogeneous zirconia layers with a thickness of about 5 μm on microstructured steel substrates. To realize layers in this range of thickness, the use of fine to submicron zirconia powder is necessary. To determine the electrokinetic behavior of the powder particles during electrophoresis, their electrophoretic mobility (EM) is measured. Special attention is drawn to the dependence of the mobility on particle size, where Henry theory can be applied. After depositing the layer on the substrate, it is sintered at 1000 °C and investigated by optical microscopy and SEM. |
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