Patents Assigned to Technical Research Assoc., Inc.
  • Oxide dispersion hardened aluminum composition
    Patent number: 4812289
    Abstract: Refractory metal oxide particles are dispersed in an aluminum melt which is then cast to form a dispersion hardened aluminum alloy composition. A master mix of carrier metal particles surrounding individual oxide particles is pressed into a billet. The billet is dissolved in the melt in the presence of a wetting metal.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: March 14, 1989
    Assignee: Technical Research Assoc., Inc.
    Inventor: Guy B. Alexander