Patents Assigned to The British Non-Ferrous Metals Research Association
  • Chromium alloys
    Patent number: 3999985
    Abstract: Alloys for use as components of gas turbine engines have the following composition:______________________________________ Chromium at least 70% Yttrium 0.01% to 18% Y.sub.2 O.sub.3 up to 18% Aluminium up to 5% Silicon up to 8% Aluminium + silicon at least 0.01% ______________________________________The average spacing between yttrium and/or Y.sub.2 O.sub.3 -containing particles is preferably not more than 5 microns.
    Type: Grant
    Filed: August 28, 1974
    Date of Patent: December 28, 1976
    Assignee: The British Non-Ferrous Metals Research Association
    Inventors: Rodney Charles Jones, Alan Abraham Hershman