Center for Abrasives and Refractories Research & Developement C.A.R.R.D. GmbH
Center for Abrasives and Refractories Research & Developement C.A.R.R.D. GmbH Patent applications | ||
Patent application number | Title | Published |
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20090098365 | Nanocrystalline sintered bodies made from alpha aluminum oxide method for production and use thereof - Nanocrystalline sintered bodies, and a method of making same, said sintered bodies based on a 95 to 100% content of alpha-aluminum oxide by weight, a Vickers hardness greater than or equal to 17.5 GPa, and a crystal structure where the average primary crystal size of the alpha-aluminum oxide is less than or equal to 100 nanometers. | 04-16-2009 |