Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mats Waldenstrom0
Date of Patent
June 23, 2009
Patent Application Number
11484835
Date Filed
July 12, 2006
Patent Primary Examiner
Patent abstract
The present invention relates to a method of making a cemented carbide comprising WC, 6-12 wt. % Co and 0.1-0.7 wt. % Cr, wherein the WC-grains are coated with Cr prior to mixing and no milling takes place during the mixing step. As a result a cemented carbide with improved properties is obtained.
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