METHOD OF MATERIAL MAKING FROM ARTIFICIAL GRAPHITE Russian patent published in 1994 - IPC

Abstract RU 2009997 C1

FIELD: technical materials. SUBSTANCE: artificial graphite of spectral purity is made in the form of block, enclosed it by envelope consisting of powder-like magnesium oxide at the ratio of envelope and block size at the range from 2: 1 to 3: 1. Then block with envelope is subjected for successive pressure (1.0-2.5 GPa) and temperature (2000-2500 C) for 4-6 min. Method insures to obtain material made of artificial graphite with volume mass exceeding 2.00 g/2.00 g/cm³ and showing high ordering degree of microstructure. EFFECT: enhanced quality of material. 1 tbl

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RU 2 009 997 C1

Authors

Preobrazhenskij A.Ja.

Dates

1994-03-30—Published

1991-01-17—Filed