Patents Assigned to Nippon Steel & Sumitomo Corporation
  • Method of casting semi-liquid or semi-solid iron-based alloy and die for casting
    Patent number: 9022093
    Abstract: A method of casting a semi-liquid or semi-solid iron-based alloy, the method including: applying, to a part or to the whole of an uppermost surface of an inner surface of a die, a lubricating die-release agent in which particles including at least one selected from molybdenum disulfide, graphite, tungsten disulfide, boron nitride, chrome oxide and boric oxide are dispersed in a solvent; and thereafter casting by using the die.
    Type: Grant
    Filed: June 15, 2009
    Date of Patent: May 5, 2015
    Assignee: Nippon Steel & Sumitomo Corporation
    Inventor: Yoshiaki Shia