Polycrystalline diamond body

Details Polycrystalline diamond body Polycrystalline diamond body

1977-10-21

1978-11-07

Vertiz, O. R.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

51307, C04B 3556, C04B 3558, C04B 3116

Patent

active

041244010

ABSTRACT:
A mass of diamond crystals in contact with a mass of eutectiferous silicon-rich alloy are disposed in a container and placed within a pressure transmitting powder medium. Pressure is applied to the powder medium resulting in substantially isostatic pressure being applied to the container and its contents sufficient to dimensionally stabilize the container and its contents. The resulting shaped substantially isostatic system of powder-enveloped container is hot-pressed whereby fluid eutectiferous silicon-rich alloy is produced and infiltrated through the interstices between the diamond crystals producing, upon cooling, an adherently bonded integral body.

REFERENCES:
patent: 2391589 (1945-12-01), Nussbaum
patent: 3841852 (1974-10-01), Wilder et al.
patent: 3913280 (1975-10-01), Hall

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