Patents Examined by Daniel J. Shleis
  • Aluminum alloy foam and method of manufacturing the same
    Patent number: 10913990
    Abstract: Provided is aluminum (Al) alloy foam including an Al alloy matrix containing magnesium (Mg), and hollow ceramic spheres dispersed in the Al alloy matrix, wherein a reaction layer including a Mg—Al composite oxide is formed at an interface where the Al alloy matrix is in contact with the hollow ceramic spheres, and wherein a density of the Al alloy foam may be higher at a surface region of the Al alloy foam compared to a middle region of the Al alloy foam.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: February 9, 2021
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Su-Hyeon Kim, Cha-Yong Lim, Jeki Jung, Yun-Soo Lee