PROCESS FOR PRODUCING AN IN PARTICULAR POROUS SHAPED CERAMIC BODY AND SHAPED BODY PRODUCED THEREBY
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United States of America Patent
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Issued Date -
Dec 31, 2009
app pub date -
Sep 13, 2007
filing date -
Sep 14, 2006
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method for producing an in particular porous molded ceramic article, which molded ceramic article is optionally reinforced with fibers and/or a semi-finished textile product such as woven fabric, wherein a powder A and at least one further powder B are suspended in a liquid, after which a molded article is formed from the suspension produced in this manner optionally in combination with fibers and/or a semi-finished textile product and the molded article is optionally sintered. It is provided according to the invention that the powders A and B are suspended approximately at a pH value of the liquid at which a viscosity minimum of the suspension is given, whereby high solids contents in the suspension can be adjusted with low viscosities. This makes possible a rapid production of largely crack-free molded articles with advantageously low-defect structures.
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