Process for the production of diamond powder

Details Process for the production of diamond powder Process for the production of diamond powder

1983-12-12

1984-11-27

Doll, John

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

156DIG68, C01B 3106

Patent

active

044850808

ABSTRACT:
Diamond powder is produced without using an ultra-high pressure apparatus by a process comprising melting carbon and a metal capable of dissolving carbon to form a liquid, subjecting the liquid to quenching at an ultra-high cooling rate to form an amorphous metal, heating the amorphous metal at a predetermined temperature to precipitate diamond crystals from the amorphous metal and then separating the phase of the amorphous metal other than the diamond to obtain diamond powder.

REFERENCES:
patent: 1637291 (1927-07-01), Barnett
patent: 3268457 (1966-08-01), Giardini et al.
patent: 3607060 (1971-09-01), Kuratomi
patent: 4406871 (1983-09-01), Samoilovich et al.

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