Patents Examined by Archiene Turner
  • Multiple layer erosion resistant coating and a method for its production
    Patent number: 5876572
    Abstract: A multiple layer erosion resistant coating on a substrate comprises alternate layers of tungsten and titanium diboride. All of the layers have the same thickness and preferably have thickness's of between 0.3 and 1 micrometer to give improved erosion resistance. The layers are produced by sputtering.
    Type: Grant
    Filed: February 6, 1997
    Date of Patent: March 2, 1999
    Assignees: Rolls-Royce plc, Turbomeca Societe Dite
    Inventors: David S. Rickerby, Pierre Monge-Cadet, Guy Farges