A series of glass-crystalline composites were produced by heating at 1350 °C of powdered mixtures of helleflinta (quartz-feldspar waste from the Kostomuksha GOK) and 5, 10, 20 and 40 mass. % of shungite ...
The paper presents the results of experimental modeling of glass-like carbon synthesis from high pressure supercritical fluid in the C–O–H system at temperature 800 °C and pressure 500…1000 atm. A full ...
