Patents Assigned to Avco Corp.
  • High strength nickel base single crystal alloys
    Patent number: 4677035
    Abstract: Disclosed are novel nickel-base single crystal alloy compositions consisting essentially of, by weight, about 8.0-14.0% chromium, 1.5-6.0% cobalt, 0.5-2.0% molybdenum, 3.0-10.0% tungsten, 2.5-7.0% titanium, 2.5-7.0% aluminum, 3.0-6.0% tantalum and the balance nickel.A combination of thermal treatment and coating of the novel alloys to enhance their mechanical properties is also disclosed.
    Type: Grant
    Filed: December 6, 1984
    Date of Patent: June 30, 1987
    Assignee: Avco Corp.
    Inventors: Louis J. Fiedler, Subhash K. Naik