Patents Assigned to Center for Abrasives and Refractories Research & Developement C.A.R.R.D. GmbH
  • Nanocrystalline sintered bodies made from alpha aluminum oxide method for production and use thereof
    Publication number: 20090098365
    Abstract: 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.
    Type: Application
    Filed: July 12, 2006
    Publication date: April 16, 2009
    Applicant: Center for Abrasives and Refractories Research & Developement C.A.R.R.D. GmbH
    Inventor: Paul Moeltgen