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From the Yakut impact diamonds an ultra-strong material has been created
Scientists from Novosibirsk managed to obtain a new super-strong material from impact (or technical) diamonds, the only source in the world of which is the Popigai crater located in Yakutia. This was reported by Rossiyskaya Gazeta.
The unique material was created by the specialists of the Institute of Geology and Mineralogy of the Siberian Branch of the Russian Academy of Sciences in cooperation with the Kiev Institute of Superhard Materials. The invention will significantly increase the service life of cutting tools, which is especially important for the production of shale gas in Russia. The opening was announced at a conference on scientific, technical and innovative cooperation.
“Just a few weeks ago we received specs from nanoscale composites - impact diamonds,” said Valentin Afanasyev, chief researcher at the Institute of Geology and Mineralogy of the SB RAS, Doctor of Technical Sciences. - These materials are made by compaction of nanosized particles at high pressure and temperatures of 1600-1800 Celsius. The result is rods that can be used to make cutting tools, dressing pencils, carbide cutters, and bit inserts for extra deep and extra hard drilling. "
The very first tests showed that such products in 20-53 are several times higher than those of synthetic diamonds and mixtures of the latter with hard alloys. They provide cutting speeds above 140 meters per minute, which is impossible for any of the currently known materials.