Patents by Inventor Yulin JU

Yulin JU 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).

  • METHOD FOR HEAT-TREATING BORON STEEL, AND BORON STEEL WITH HIGH STRENGTH AND GOOD TOUGHNESS, AND USE THEREOF
    Publication number: 20240084432
    Abstract: The disclosure provides a method for heat-treating a boron steel, which includes: carburizing a boron steel on a surface thereof to obtain a carburized boron steel; austenitizing the carburized boron steel at a temperature of 885-895° C. for 25-35 min, to obtain an austenitized boron steel; sequentially subjecting the austenitized boron steel to an oil quenching and a tempering, wherein the oil quenching is performed at a temperature of 55-65° C. for 29-31 min.
    Type: Application
    Filed: November 3, 2021
    Publication date: March 14, 2024
    Inventors: Yulin JU, Xiaonong CHENG, Zhizhong YUAN, Shun GUO, Rui LUO, Fuyang CAO, Hao HUANG