Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Susanne Norgren0
Bo Jansson0
Peter Littecke0
Date of Patent
October 31, 2006
0Patent Application Number
109259220
Date Filed
August 26, 2004
0Patent Primary Examiner
Patent abstract
The present invention relates to a cutting tool insert for metal machining comprising tungsten carbide in a binder phase of tungsten or a tungsten alloy. The insert contains, in addition, W2C in an amount such that in the x-ray diffraction pattern the peak ratio W2C(101)/W(110) is <0.3. This particular microstructure is obtained by an additional heat treatment at about 1200° C. after the sintering.
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