HIGH STRENGTH, FINE GRAINED SPINEL FOR WINDOW APPLICATIONS, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME
Disclosed herein is a spinel article. The article includes a spinel material, wherein the spinel material has a monomodal grain size distribution with average grain sizes of less than or equal to about 15 micrometers, and a biaxial flexural strength of greater than or equal to about 300 megapascals...
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Sprache: | eng |
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Zusammenfassung: | Disclosed herein is a spinel article. The article includes a spinel material, wherein the spinel material has a monomodal grain size distribution with average grain sizes of less than or equal to about 15 micrometers, and a biaxial flexural strength of greater than or equal to about 300 megapascals when measured by a ring-on-ring flexural test as per ASTM Standard C1499-08. Disclosed herein too is a method for manufacturing a spinel article, including calcining a spinel powder; milling the powder in a milling medium; granulating the powder; screening the powder to a mesh size of about 40 to about 200 mesh; pressing the powder to form an article; burning out organics from the article; sintering the article; and hot isostatically pressing the article. |
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