Flame-Sprayed Glaze Coatings: Effects of Operating Parameters and Feedstock Characteristics Onto Coating Structures |
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Authors: | A. Arcondéguy A. Grimaud A. Denoirjean G. Gasgnier C. Huguet B. Pateyron G. Montavon |
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Affiliation: | (1) SPCTS-UMR CNRS 6638, Faculty of Sciences, University of Limoges, 123 avenue Albert Thomas, 87060 Limoges cedex, France;(2) Imerys Tableware France, 1 rue Jeanne d’Albret, 87700 Aixe-sur-Vienne, France |
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Abstract: | Many substrates do not sustain the conventional glazing process (i.e., vitreous glazing) due to the relatively high temperature required by this treatment (i.e., up to 1400 °C in some cases) to fuse glazes after their application on the surface to be covered. Flame spraying could appear as a solution to circumvent this limitation and to avoid thermal decomposition of substrates. This contribution describes some structural attributes of glaze coatings manufactured by flame spraying. It also discusses the influence of the feedstock powder morphology and some of its physical properties on coating characteristics. This article is an invited paper selected from presentations at the 2007 International Thermal Spray Conference and has been expanded from the original presentation. It is simultaneously published in Global Coating Solutions, Proceedings of the 2007 International Thermal Spray Conference, Beijing, China, May 14-16, 2007, Basil R. Marple, Margaret M. Hyland, Yuk-Chiu Lau, Chang-Jiu Li, Rogerio S. Lima, and Ghislain Montavon, Ed., ASM International, Materials Park, OH, 2007. |
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Keywords: | feedstock architecture feedstock composition flame spraying glaze operating parameters thermally sensitive substrate thick layer |
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