Patents Assigned to Metal Science Ltd.
  • Method of minimizing the size of primary silicon in Al-Si alloy
    Patent number: 6554053
    Abstract: A method of minimizing the size of primary Si in Al—Si alloy which includes a step of adding P to molten Al—Si alloy, a step of contacting a metal substrate plated with Zn or a copper substrate, and a step of removing the substrate from the molten Al—Si alloy.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: April 29, 2003
    Assignees: Tozuka-Tendo Co., Ltd, Metal Science Ltd.
    Inventors: Kazuhiko Takata, Yasuaki Kawai, Mayuki Morinaka
  • Method of determining the magnesium content in molten aluminum alloys
    Patent number: 6345910
    Abstract: The invention relates to a method for determining the magnesium content in molten aluminum alloy by thermal analysis by determining on a cooling curve the eutectic temperature, and substituting the above eutectic temperature in a formula of Mg={(577−TE)/4.4}×Si/12.5.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: February 12, 2002
    Assignee: Metal Science Ltd.
    Inventor: Mayuki Morinaka
  • Sampling vessel for obtaining a cooling curve of molten metals
    Patent number: 6200520
    Abstract: A sampling vessel having a thermocouple for obtaining a cooling curve of molten metals consisting of a long cylindrical body made of ceramics. A sample chamber is formed in the body and the chamber is connected with an inlet formed in a bottom of the body by a runner. An air exhausting passage is formed from the chamber to an outlet formed in a top wall of the body.
    Type: Grant
    Filed: October 21, 1999
    Date of Patent: March 13, 2001
    Assignees: Metal Science Ltd., Yuwa Co., Ltd.
    Inventors: Mayuki Morinaka, Tuyoshi Okuzono