Patents Assigned to Warabi Special Steel Co., Ltd.
  • Magnetic materials
    Patent number: 4008105
    Abstract: In magnet alloy of spinodal decomposition type comprising Fe-Cr-Co or Fe-Cr-Co-Si system, magnetic materials containing Zr in an amount from 0.03 to 3.5%.Such magnetic materials are embodied by containing Zr in an amount from 0.03 to 3.5% by weight in an alloy system comprising Co from 10 to 35% and Cr from 25 to 40%, the balance being Fe or in an alloy system comprising Co from 10 to 35%, Cr from 25 to 40% and Si from 0.3 to 2.0%, the balance being Fe.
    Type: Grant
    Filed: April 22, 1975
    Date of Patent: February 15, 1977
    Assignee: Warabi Special Steel Co., Ltd.
    Inventors: Sumio Yuda, Tohru Sawada, Kohji Moriya