Process for producing diamond

Details Process for producing diamond Process for producing diamond

1975-08-11

1977-07-12

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

C01B 3106

Patent

active

040354725

ABSTRACT:
Industrial diamond powder is prepared from a mixture of graphite and a non-metallic material which is semi-transparent to thermal radiation by projecting a solid body against said mixture at a velocity which lies between the sonic wave propagation velocity of said graphite and said semi-transparent material. The shock collision provides the high pressure and temperature rise necessary for conversion of graphite to diamond and the semi-transparent material provides for sufficiently rapid cooling to prevent reversion of the formed diamond powder to graphite.

REFERENCES:
patent: 2995776 (1961-08-01), Giardini et al.
patent: 3401019 (1968-09-01), Cowan et al.
patent: 3499732 (1970-03-01), Garrett
patent: 3667911 (1972-06-01), Balchan et al.
Perry "Chemical Engineers Handbook," 3rd Edition, 1950, p. 235.

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