Method for producing diamond compact

Details Method for producing diamond compact Method for producing diamond compact

1982-04-23

1984-04-03

Hunt, Brooks H.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

419 11, 419 27, 51307, 51309, B22F 300, C22C 105

Patent

active

044405731

ABSTRACT:
A method for producing compact of diamond particles, comprising: providing a mass of diamond particles and a metallic material capable of dissolving carbon, as infiltrant, with a substantially identical cross section, placing said diamond and infiltrant metal close to but separated with each other with an intervening layer of high melting metal, as barrier, which has a cross section of 85 to 97% relative to that of the diamond and infiltrant metal, and subjecting the whole to an elevated pressure and temperature condition within the diamond stability region of carbon phase diagram, thus allowing a regulated amount of fused infiltrant metal to flow in among the mass of diamond to join adjacent particles with each other, and recovering a compact of thus joined diamond particles.

REFERENCES:
patent: 3285714 (1966-11-01), Davies et al.
patent: 3301643 (1967-01-01), Cannon et al.
patent: 3850591 (1974-11-01), Wentorf
patent: 4303442 (1981-12-01), Hara et al.

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