Aqueous extrusion of silicon nitride
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United States of America Patent
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May 11, 1993
Grant Date -
N/A
app pub date -
Jun 28, 1991
filing date -
Jun 28, 1991
priority date (Note) -
Expired
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Abstract
A water-based silicon nitride powder extrusion mixture is prepared. The mixture also contains oleic acid, glycerin, methyl cellulose and a polyacrylic acid-containing polymer. The mixture can be extruded at ambient temperatures. The extrudate can be dried at low temperature and sintered to form a dense silicon nitride part.
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