Zirconium Containing Patents (Class 420/406)
  • High strength rapidly solidified magnesium base metal alloys
    Patent number: 4675157
    Abstract: A rapidly solidified magnesium based alloy contains finely dispersed magnesium intermetallic phases. The alloy has the form of a filament or a powder and is especially suited for consolidation into bulk shapes having superior mechanical properties and corrosion resistance.
    Type: Grant
    Filed: June 7, 1984
    Date of Patent: June 23, 1987
    Assignee: Allied Corporation
    Inventors: Santosh K. Das, Derek Raybould, Richard L. Bye, Jr., Chin-Fong Chang
  • Magnesium alloys
    Patent number: 4401621
    Abstract: Magnesium alloys for castings having good tensile properties at both ambient and high temperatures and good resistance to creep contain 1.5-10% of yttrium or an yttrium/heavy rare earths mixture and 1-6% of neodymium or a neodymium/lanthanum/praseodymium mixture. The alloys may be heat treated to improve their properties.
    Type: Grant
    Filed: March 25, 1982
    Date of Patent: August 30, 1983
    Assignee: Magnesium Elektron Limited
    Inventors: William Unsworth, John F. King, Stephen L. Bradshaw