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US 11,958,115 B2Granted
Grade powders and sintered cemented carbide compositions
AssigneeKennametal Inc.
InventorsPankaj K. Mehrotra, Pankaj B. Trivedi, Kent P. Mizgalski
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Abstract
In one aspect, grade powder compositions are described herein comprising electrochemically processed sintered carbide scrap. In some embodiments, a grade powder composition comprises a reclaimed powder component in an amount of at least 75 weight percent of the grade powder composition, wherein the reclaimed carbide component comprises electrochemically processed sintered carbide scrap.
Claims20
A grade powder composition comprising:
- a reclaimed carbide powder component in an amount of at least 70 weight percent of the grade powder composition, the reclaimed carbide component comprising electrochemically processed sintered carbide scrap, wherein the electrochemically processed sintered carbide scrap has an average particle size of 0.5 μm to 15 μm, and comprises 99.5 wt. % carbide.
Dependencies are inferred from the claim text.