Aluminum nitride sintered body coated with alumina
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United States of America Patent
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-
May 20, 1980
Grant Date -
N/A
app pub date -
Aug 16, 1978
filing date -
Aug 16, 1977
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An aluminum nitride sintered body, especially suitable as a material for high-speed cutting tools, having on the surface thereof a coating of alumina crystals having an average particle diameter of about 2.5 microns or less.
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