Why diamonds can be ground at all
29. November 2010, 17:28 Why can not at all polished diamonds have now scientists from the Fraunhofer Institute for Mechanics of Materials IWM in Freiburg found.
Researchers decipher atomic mechanism of the diamond processing: A "glass-like carbon phase" makes it possible
Freiburg - It is the hardest material in the world, and yet can grind diamond itself. Already 600 years ago were first diamond cut and the precious stones were quick to most expensive jewelry, and later became indispensable industrial tool. Now a team led by Lars Pastewka and Michael Moseler from the Fraunhofer Institute for Mechanics of Materials IWM in Freiburg has revealed the secret of why diamond can work at all.
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The research findings represent a major step in tribology, ie the friction and wear research, which is now understood despite its importance for the industry to its scientific basis is still largely.

For centuries, diamonds are cut by skilled craftsmen in a Cast iron wheel, which is peppered with fine diamond chips and fast, with tip speeds of about 30 meters per second, rotating. At the sound of the grinding wheel and with their proverbial tact recognized by experienced diamond cutter, like they have to keep the diamond in the rough to smooth it and to get a polished surface before they can enter the diamond trade for sale. .