Patents by Inventor Jae Sook Song

Jae Sook Song has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • High Entropy Alloy Having Composite Microstructure and Method of Manufacturing the Same
    Publication number: 20200149144
    Abstract: A method of making a metallic alloy, more particularly, a high-entropy alloy with a composite structure that exhibits high strength and good ductility, and is used as a component material in electromagnetic, chemical, shipbuilding, machinery, and other applications, and in extreme environments, and the like.
    Type: Application
    Filed: January 15, 2020
    Publication date: May 14, 2020
    Inventors: Sun Ig Hong, Jae Sook Song
  • High entropy alloy having composite microstructure
    Patent number: 10570491
    Abstract: A metallic alloy, more particularly, a high-entropy alloy with a composite structure exhibits high strength and good ductility, and is used as a component material in electromagnetic, chemical, shipbuilding, machinery, and other applications, and in extreme environments, and the like.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: February 25, 2020
    Assignee: The Industry & Academic Cooperation in Chungnam National University (IAC)
    Inventors: Sun Ig Hong, Jae Sook Song
  • TWINNING/TRANSFORMATION INDUCED PLASTICITY HIGH ENTROPY STEELS AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20200056272
    Abstract: A high entropy steel in which twinning and phase transformation are simultaneously performed, and a method of manufacturing the same, are provided.
    Type: Application
    Filed: July 10, 2019
    Publication date: February 20, 2020
    Inventors: Sun Ig HONG, Jae Sook SONG, Byung Ju LEE
  • Precipitation Hardening High Entropy Alloy and Method of Manufacturing the Same
    Publication number: 20190024198
    Abstract: High-entropy alloy, particularly a precipitation hardening high entropy alloy, is provided as a component material used in electromagnetic, chemical, shipbuilding, mechanical, and other applications, a component material used in extreme environments requiring high strength and good corrosion resistance, and the like.
    Type: Application
    Filed: July 19, 2017
    Publication date: January 24, 2019
    Inventors: Sun Ig Hong, Jae Sook Song
  • Cr Filament-Reinforced CrMnFeNiCu(Ag)-Based High-Entropy Alloy and Method for Manufacturing the Same
    Publication number: 20190017150
    Abstract: A Cr filament-reinforced CrMnFeNiCu(Ag)-based high-entropy alloy and a method for manufacturing the same are provided. The high-entropy alloy, according to an exemplary embodiment in the present disclosure, includes, by at. %, Cr in an amount greater than 5% and less than 42%, Mn in an amount greater than 5% and less than 35%, Fe in an amount greater than 5% and less than 35%, Ni in an amount greater than 5% and less than 35%, and at least one of Cu in an amount greater than 3% and less than 35%, and Ag in an amount greater than 3% and less than 35%, and residual inevitable impurities. The high-entropy alloy has a dual phase in which a Cr or a Cr-rich phase is distributed within a matrix of the high-entropy alloy in filament or ribbon form.
    Type: Application
    Filed: May 8, 2018
    Publication date: January 17, 2019
    Inventors: Sun Ig Hong, Jae Sook Song, Seung Min Oh
  • High Entropy Alloy Having Composite Microstructure and Method of Manufacturing the Same
    Publication number: 20170275745
    Abstract: A metallic alloy, more particularly, a high-entropy alloy with a composite structure exhibits high strength and good ductility, and is used as a component material in electromagnetic, chemical, shipbuilding, machinery, and other applications, and in extreme environments, and the like.
    Type: Application
    Filed: March 10, 2017
    Publication date: September 28, 2017
    Inventors: Sun Ig Hong, Jae Sook Song