Further graphite modifications-2

Further graphite modifications-2

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Glassy carbon differs from graphite in its extremely low degree of order (hence the name). It possesses an extremely high degree of hardness, excellent corrosion resistance, remains stable under inert gas up to very high temperatures and is also characterised by a high degree of strength. Coatings of glassy carbon are used in electrochemistry and chemical process engineering, due to the resulting high resistance to wear and corrosion and good electrical conducting characteristics.

Fullerenes are the third stable modification of carbon occurring in nature. These carbon clusters with 60 to 100 carbon atoms were first discovered in 1985.They form highly-symmetrical spatial bodies, of which the Buckminster fullerene is the most commonly known. Their technical usefulness is still in the early stages.

Date: 2023-04-10     hits: 528    Return