Fine grained cemented carbide with refined structure

Details Fine grained cemented carbide with refined structure Fine grained cemented carbide with refined structure

2011-05-10

2011-05-10

King, Roy (Department: 1733)

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

C419S018000

Reexamination Certificate

active

07938878

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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