Ready-to-sinter spinel nanomixture and method for preparing same
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United States of America Patent
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Nov 20, 2012
Grant Date -
Mar 4, 2010
app pub date -
Jul 16, 2009
filing date -
Jul 16, 2008
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Abstract
An in-situ method for nanomixing magnesium aluminate spinel nanoparticles with a uniformly distributed controlled concentration of nanoparticles of an inorganic sintering aid, such as LiF, to produce ready-to-sinter spinel powder. The spinel-sintering aid nanomixture is formed by induced precipitation of the sintering aid nanoparticles from a dispersion of the spinel nanoparticles in an aqueous solution of the sintering aid, followed by separation, drying and deagglomeration of the spinel-sintering aid nanomixed product.
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