Nickel Or Cobalt Base Patents (Class 420/6)
  • Method of fabricating an interconnect for a fuel cell stack
    Patent number: 11417894
    Abstract: Methods for fabricating an interconnect for a fuel cell stack that include providing a protective layer over at least one surface of an interconnect formed by powder pressing pre-alloyed particles containing two or more metal elements and annealing the interconnect and the protective layer at elevated temperature to bond the protective layer to the at least one surface of the interconnect.
    Type: Grant
    Filed: August 23, 2018
    Date of Patent: August 16, 2022
    Assignee: BLOOM ENERGY CORPORATION
    Inventor: Tad Armstrong
  • Cermet alloy and process for its production
    Patent number: 5149595
    Abstract: A cermet alloy having a structure comprising a hard phase and a bonding phase, said hard phase comprising (1) at least one of MC, MN and MCN, wherein M is at least one element selected from Ti, Zr, Hf, Th, V, Nb, Ta, Pa, Cr, Mo, U and W and (2) at least one W-Co-B compound; said bonding phase comprising Co. The cermet has superior toughness and hardness, and can be worked by conventional sintering methods. The invention also includes a method for producing the cermet.
    Type: Grant
    Filed: September 11, 1991
    Date of Patent: September 22, 1992
    Assignees: Hitachi Metals Ltd., Hitachi Tool Engineering Ltd.
    Inventors: Katsuhiko Kojo, Akibumi Negishi, Hisaaki Ida
  • Superalloy compositions
    Patent number: 4981645
    Abstract: The addition of small amounts of rhenium, technitium and their mixtures and, optionally erbium, to a nickel-based superalloy in which the ratio of nickel to chromium is approximately 3-4 to 1, provides enhanced mechanical properties particularly suitable for applications in the manufacture of gas turbine engine components, airframe skins and combustion chambers.
    Type: Grant
    Filed: May 5, 1989
    Date of Patent: January 1, 1991
    Inventor: Stuart Adelman