Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 10, 2011
Patent Application Number
12129963
Date Filed
May 30, 2008
Patent Primary Examiner
Patent abstract
The present invention relates to a fine grained WC-Co cemented carbide. By adding an extremely small amount of Ti, V, Zr, Ta or Nb alone or in combinations, a grain refined cemented carbide structure with less abnormal WC-grains has been obtained.
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