Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alysia C. White0
Gregory T. Lockwood0
Dah-Ben Liang0
Anthony Griffo0
Date of Patent
February 23, 2010
0Patent Application Number
111751200
Date Filed
July 5, 2005
0Patent Primary Examiner
Patent abstract
A hardfacing composition for a drill bit, including a carbide phase comprising from about 50% to about 75% by weight of the hardfacing composition of a combination of 16 to 40 mesh cemented tungsten carbide and 80 to 200 mesh super dense tungsten carbide cobalt particles, wherein about 5% to about 50% by weight of the carbide phase comprises the super dense tungsten carbide cobalt particles, and a binder alloy including about 25% to about 50% by weight of the hardfacing composition.
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