Patents Assigned to CENTER FOR ABRASIVES & REFRAC R & D C.A.R.R.D GMBH
  • DISPERSION, SLURRY AND PROCESS FOR PRODUCING A CASTING MOULD FOR PRECISION CASTING USING THE SLURRY
    Publication number: 20120111224
    Abstract: Slurry which contains a) from (50) to (80) % by weight of refractory particles having an average particle size of from (0.5) m to (150) m, b) from (5) to (35) % by weight of aluminium oxide particles having an average particle diameter of less than (300) nm and c) from (5) to (35) % by weight of water and d) a pH of from (5) to (12). Process for producing the slurry using a dispersion, and also the dispersion itself. Process for producing a casting mould, and also the casting mould itself.
    Type: Application
    Filed: March 30, 2010
    Publication date: May 10, 2012
    Applicants: CENTER FOR ABRASIVES & REFRAC R & D C.A.R.R.D GMBH, EVONIK DEGUSSA GmbH
    Inventors: Christoph Tontrup, Wolfgang Lortz, Gabriele Perlet, Erich Schmidt-Kluge, Danilo Frulli