Patents Assigned to Comalco Aluminium (Bell Bay) Limited
  • Superplastic aluminium base alloys
    Patent number: 4139400
    Abstract: Aluminium base alloys exhibiting superplastic deformation characteristics at elevated temperatures, having fully modified eutectic microstructures characterized by the absence of any primary phase and by the presence of at least one finely dispersed eutectic second phase.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: February 13, 1979
    Assignee: Comalco Aluminium (Bell Bay) Limited
    Inventor: Clive G. Bennett
  • Aluminum-silicon alloys, cylinder blocks and bores, and method of making same
    Patent number: 4068645
    Abstract: Aluminum silicon alloys exhibiting microstructures characterized by the absence of any primary aluminum or primary silicon phase and a high volume fraction of finely dispersed eutectic silicon suitable for use as wear-resistant surfaces.
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: January 17, 1978
    Assignee: Comalco Aluminium (Bell Bay) Limited
    Inventor: David Charles Jenkinson
  • Aluminum base alloys
    Patent number: 4002502
    Abstract: Aluminum base alloys, having improved properties as regards mechanical working treatments, according to the invention are characterized by a content of 0.5 - 10.0 wt. % iron, without or with a very small content (up to 0.1 wt. %) of Li or Na or Sr or Ba. The alloy has a microstructure comprising a substantial portion of refined Al.sub.3 Fe and/or very fine Al.sub.6 Fe.
    Type: Grant
    Filed: August 6, 1974
    Date of Patent: January 11, 1977
    Assignees: Comalco Aluminium (Bell Bay) Limited, The University of Queensland
    Inventors: Ian Frank Bainbridge, Colin McLean Adam