Composite cemented carbide

Details Composite cemented carbide Composite cemented carbide

1988-08-04

1990-10-30

Lechert, Jr., Stephen J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75239, 75241, 175409, 175410, 419 23, 419 14, 419 15, 419 17, 419 18, C22C 2908

Patent

active

049666274

ABSTRACT:
A composite material is disclosed along with the method of making the same. The material comprises a tough grade of cemented carbide granule dispersed with a hard brittle grade of cemented carbide granules to form a matrix. The quantity of hard, brittle cemented carbide granules is between 20% to 60% of the total composition. Such material functions to improve wear resistance without sacrificing toughness.

REFERENCES:
patent: 4359335 (1982-11-01), Garner
patent: 4368788 (1983-01-01), Drake
patent: 4505746 (1985-03-01), Nakai et al.
patent: 4604106 (1986-08-01), Hall et al.
patent: 4636253 (1987-01-01), Nakai et al.
patent: 4705124 (1987-11-01), Abrahamson, et al.
patent: 4722405 (1988-02-01), Langford, Jr.
patent: 4778521 (1988-10-01), Iyori et al.

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