Dense, fine-grained tungsten carbide ceramics and a method for m

Details Dense, fine-grained tungsten carbide ceramics and a method for m Dense, fine-grained tungsten carbide ceramics and a method for m

1986-01-09

1989-05-09

Bell, Mark L.

Abrasive tool making process, material, or composition

With inorganic material

75240, 75242, 501 87, C04B 3556

Patent

active

048285846

ABSTRACT:
A tungsten carbide ceramic material which cuts titanium alloys four to five times faster than cemented carbide, ceramic-coated cemented carbides, or state-of-the-art ceramic cutting tools can be densified with or without applied pressure at temperatures below 1700.degree. C. Grain growth inhibitors or sintering aids can be added to control grain size in the final product. The polycrystalline tungsten carbode ceramic can be formed into wear components having improved performance in comparison to cemented tungsten carbides in a variety of drilling, cutting, milling, and other wear applications.

REFERENCES:
patent: 4126652 (1978-11-01), Oohara et al.
patent: 4146379 (1979-03-01), Copley et al.
patent: 4162301 (1979-07-01), Hanling
patent: 4256496 (1981-03-01), Brandstater

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