Alumina coating, coated product and method of making the same
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United States of America Patent
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Aug 31, 2010
Grant Date -
Aug 10, 2006
app pub date -
Mar 31, 2006
filing date -
Mar 12, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A coated body that includes a substrate and a coating scheme on the substrate. The coating scheme on the substrate wherein the coating scheme includes an alpha-alumina coating layer that exhibits a platelet grain morphology at the surface of the alpha-alumina coating layer or a kappa-alumina coating layer that exhibits either a lenticular grain morphology or a polyhedra-lenticular grain morphology at the surface thereof or an alpha-kappa-alumina coating layer that exhibits either a large multifaceted grain morphology or a polyhedra-multifaceted grain morphology at the surface thereof.
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