High hardness fine grained tungsten-carbon alloys

Details High hardness fine grained tungsten-carbon alloys High hardness fine grained tungsten-carbon alloys

1989-02-27

1990-03-20

Hunt, Brooks H.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

75240, 428220, 428627, 428665, 428680, B22F 708

Patent

active

049100912

ABSTRACT:
Extremely hard, fine grained tungsten/carbon alloys are described which are produced by thermochemical deposition. The alloys consist primarily of a mixture of a substantially pure tungsten phase and at least one carbide phase wherein the carbide phase consists of W.sub.2 C or W.sub.3 C or a mixture of W.sub.2 C and W.sub.3 C. The disclosed tungsten/carbon alloys are free of columnar grains and consist essentially of extremely fine, equiaxial crystals. Also disclosed is a method of producing the disclosed material.

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