Polycrystalline diamond member and method of preparing same

Details Polycrystalline diamond member and method of preparing same Polycrystalline diamond member and method of preparing same

1976-05-19

1978-08-01

Kendall, Ralph S.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

428403, 264109, 264125, 156613, 427249, 423446, 51307, B29F 500, C04B 3116

Patent

active

041044410

ABSTRACT:
A method of preparing a polycrystalline diamond member comprising sintering diamond particles having deposited thereon, not only diamond coating, but also diamond-graphite coating
In the epitaxial method of coating according to the invention, diamond particles may be the finest ones of a size smaller than one micron. The resulting compact member is characterized in the absence of marked graphite inclusions, and diamond cleavage between the particles results in a considerable improvement of the strength of the compact member.

REFERENCES:
patent: 3030188 (1962-04-01), Evevsole
patent: 3141746 (1954-07-01), De Lai
patent: 3399254 (1968-08-01), Dunnington
patent: 3574580 (1971-04-01), Stromberg et al.
patent: 3630678 (1971-12-01), Gardner
patent: 3714334 (1973-01-01), Vickery

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