Cemented ceramic article made from ultrafine solid solution powd

Details Cemented ceramic article made from ultrafine solid solution powd Cemented ceramic article made from ultrafine solid solution powd

1995-01-20

1996-12-03

Jordan, Charles T.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428546, 428548, 428551, 428567, B22F 706

Patent

active

055806660

ABSTRACT:
A multi-phase cemented ceramic article, method of making same, and the material thereof is disclosed which is useful for machining and forming of metals, including ferrous metals, titanium, aluminum and other metals. The article and its material preferably includes novel microstructures including platelets, a range of grain sizes which yields superior hardness and other characteristics, and a lower tungsten concentration within the binder phase than has been seen in the prior art. The preferred composition includes ultrafine WC, an ultrafine solid solution of (Ti, Ta, W)C, and a cobalt binder. Platelets are formed in-situ, eliminating the need to add them during manufacture for improving toughness.

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