Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Bernd Bitterlich0
Ulrich Mowlai0
Kilian Friederich0
Date of Patent
April 7, 2009
0Patent Application Number
105663180
Date Filed
August 6, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A material based on SiAlON contain 70-97 vol. % of alpha and beta-SiAlON and an amorphous or partially crystalline grain boundary phase and 3 to 30 vol.% of a hard material. The material has an alpha-SiAlON gradient which decreases from the outside to the inside.
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