Accession Number : ADD000918

Title :   Method of Producing Pure Single Crystals of Graphite.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON D C

Personal Author(s) : Giardini,Armando A ; Tydings,John E

Report Date : 26 Jan 1965

Pagination or Media Count : 2

Abstract : The patent consists essentially of dissolving carbon under conditions of high pressures and high temperatures in a suitable-non-metallic solvent. Solution of carbon is carried out in a fused salt, or mixture of salts, to a state of saturation. The solution is thereupon cooled (while maintaining elevated pressure) to induce precipitation of free carbon, which recrystallizes as crystals of graphite. The temperature of the reaction is then reduced to normal, followed by lowering of pressure to normal. Therefore a method whereby carbonaceous materials may be converted to graphite crystals of high quality is provided.

Descriptors :   *Graphite, *Single crystals, *Patents, Fused salts, Dissolving

Subject Categories : Physical Chemistry
      Crystallography

Distribution Statement : APPROVED FOR PUBLIC RELEASE