Patents Assigned to Dido Steel Co., Ltd.
  • Ti-Al type lightweight heat-resistant materials containing Nb, Cr and Si
    Patent number: 5196162
    Abstract: A Ti-Al type lightweight heat-resistant consists essentially of 32 to 36% w of Al, 0.1 to 2.0% w of Si, 0.1 to 5.0% w of Nb, 0.1 to 3.0% w of Cr, and optionally 0.005 to 0.200% w of B, the balance being substantially Ti. The alloy has improved oxidation resistance together with excellent ductility and strength at room temperature and high temperature.
    Type: Grant
    Filed: August 21, 1991
    Date of Patent: March 23, 1993
    Assignees: Nissan Motor Co., Ltd., Dido Steel Co., Ltd.
    Inventors: Kunio Maki, Mamoru Sayashi, Susumu Isobe, Tomohito Iikubo, Toshiharu Noda