Carbide compositions for wear-resistant facings and method of fa

Details Carbide compositions for wear-resistant facings and method of fa Carbide compositions for wear-resistant facings and method of fa

1976-02-17

1978-01-03

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75241, 75123J, 75123R, 75170, 75176, 75203, 423439, 423440, B22F 300, C22C 2900

Patent

active

040664511

ABSTRACT:
Refractory, hard carbide alloys, intended primarily as replacement for the cast eutectic WC + W.sub.2 C tungsten carbides currently used as hard components in wear-resistant facings, consist of fine-grained and hard two-phase mixtures of subcarbide, (Mo,W).sub.2 C, and hexagonal monocarbide (Mo,W)C, solid solutions, and are formed by solid state decomposition of the pseudocubic, .eta.-(Mo,W).sub.3 C.sub.2, or cubic .alpha.-(Mo,W)C.sub.1-x solid solutions. The carbide alloys of the invention can be combined with low-melting metal binders to form cemented carbide alloys of at least equivalent wear-resistance to alloys using the eutectic tungsten carbides.

REFERENCES:
patent: 3479155 (1969-11-01), Rudy
patent: 3677722 (1972-07-01), Rymas
patent: 3840367 (1974-10-01), Rudy
patent: 3842581 (1974-10-01), Schedler

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