Coatings for cutting tools
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United States of America Patent
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Apr 28, 2015
Grant Date -
Jul 31, 2014
app pub date -
Jan 25, 2013
filing date -
Jan 25, 2013
priority date (Note) -
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Abstract
In one aspect, cutting tools are described having coatings adhered thereto. A coated cutting tool, in some embodiments, comprises a substrate and a coating adhered to the substrate, the coating comprising at least one composite layer deposited by chemical vapor deposition comprising an aluminum oxynitride phase and a metal oxide phase, the metal oxide phase including at least one oxide of a metallic element selected from Group IVB of the Periodic Table.
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