Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hiroko Nakayama0
Kazuhiro Urashima0
Date of Patent
May 31, 2011
0Patent Application Number
124388360
Date Filed
August 29, 2007
0Patent Primary Examiner
Patent abstract
A cutting insert 1 is made of an aluminum oxide-based composite sintered body constituted by a ternary ceramic material including aluminum oxide, silicon carbide, and a sialon. The sialon in the aluminum oxide-based composite sintered body is Si—Al—O—N as defined by JCPDS No. 32-0026 in X-ray diffraction analysis.
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