Patents Assigned to Director General of the Technical Research and Developent Institute, Japan Defense Agency
  • High strength and high ductility titanium alloy
    Patent number: 5759484
    Abstract: Disclosed is a Ti alloy which can provide a high strength and achieve a high ductility only with an annealing treatment without being provided a solution treating and aging process by adding O, C and Fe in a good balance to a basic chemical composition system such as Al and V in a Ti-6Al-4V alloy or a chemical composition system obtained by increasing Al in the above chemical component system and further adding thereto a suitable amount of N according to the addition amounts of Al, O, C, and Fe.
    Type: Grant
    Filed: November 29, 1995
    Date of Patent: June 2, 1998
    Assignees: Director General of the Technical Research and Developent Institute, Japan Defense Agency, Kabushiki Kaisha Kobe Seiko Sho
    Inventors: Hideaki Kashii, Akira Nakamura, Naoya Kitazaki, Yoshihisa Kitagawa, Kenji Koide