Patents Assigned to Benchmark Structural Ceramics Corp.
  • Novel sialon composition
    Patent number: 5030600
    Abstract: A novel composite mateial consisting of at least 70 weight percent of single-phase beta sialon and at least 20 weight percent of alpha-alumina is disclosed. The beta-sialon is of the formula Si.sub.6-z Al.sub.z -.sub.z N.sub.8-z, wherein z is from 2.5 to 3.5. The composite material contains no silicon nitride. Sintered products made from such composite material contain no glassy phase, contain no silicon nitride, and have superior thermal and mechanical properties.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: July 9, 1991
    Assignee: Benchmark Structural Ceramics Corp.
    Inventors: George T. Hida, Rodica S. Hida