Patents by Inventor Leli CHEN

Leli CHEN 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).

  • Superalloy seamless tube and preparation method thereof
    Patent number: 12000032
    Abstract: A superalloy seamless pipe and a preparation method thereof are provided. The superalloy seamless pipe comprises the following components in percentages by weight: C: 0.01-0.06%, Si: 0.40-1.00%, Mn: 0.30-1.00%, P?0.025%, S?0.020%, Cr: 15.00-17.00%, Ni: 44.00-46.00%, Al: 2.90-3.90%, Ce: 0.01-0.03%, Ti: 0.10-0.30%, N: 0.03-0.08%, and the balance of Fe and inevitable impurities.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: June 4, 2024
    Assignee: JIANGSU UNIVERSITY
    Inventors: Rui Luo, Zhizhong Yuan, Xiaonong Cheng, Pei Gao, Leli Chen, Tian Liu
  • Fe—Ni based alloy welding wire for welding 800H alloy and preparation method thereof and method for welding 800H alloy
    Patent number: 11819957
    Abstract: The present disclosure belongs to the technical field of welding materials, and in particular relates to a Fe—Ni based alloy welding wire for welding 800H alloy and a preparation method thereof and a method for welding 800H alloy. The Fe—Ni based alloy welding wire for welding 800H alloy provided by the present disclosure has a reasonable chemical components, and after being used to weld 800H alloy, the obtained weld has a tensile strength of 557.6 MPa and an elongation of 37.5% at ambient temperature, and has a tensile strength of 420 MPa and an elongation of 17.25% at a temperature of 650° C.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: November 21, 2023
    Assignee: JIANGSU UNIVERSITY
    Inventors: Rui Luo, Zhizhong Yuan, Xiaonong Cheng, Leli Chen, Tian Liu, Qi Zheng, Yun Cao
  • Fe-Ni BASED ALLOY WELDING WIRE FOR WELDING 800H ALLOY AND PREPARATION METHOD THEREOF AND METHOD FOR WELDING 800H ALLOY
    Publication number: 20230150070
    Abstract: The present disclosure belongs to the technical field of welding materials, and in particular relates to a Fe—Ni based alloy welding wire for welding 800H alloy and a preparation method thereof and a method for welding 800H alloy. The Fe—Ni based alloy welding wire for welding 800H alloy provided by the present disclosure has a reasonable chemical components, and after being used to weld 800H alloy, the obtained weld has a tensile strength of 557.6 MPa and an elongation of 37.5% at ambient temperature, and has a tensile strength of 420 MPa and an elongation of 17.25% at a temperature of 650° C.
    Type: Application
    Filed: June 3, 2020
    Publication date: May 18, 2023
    Inventors: Rui Luo, Zhizhong Yuan, Xiaong Cheng, Leli Chen, Tian Liu, Qi Zheng, Yun Cao
  • SUPERALLOY SEAMLESS TUBE AND PREPARATION METHOD THEREOF
    Publication number: 20210292879
    Abstract: A superalloy seamless pipe and a preparation method thereof are provided. The superalloy seamless pipe comprises the following components in percentages by weight: C:0.01-0.06%, Si:0.40-1.00%, Mn:0.30-1.00%, P?0.025%, S?0.020%, Cr:15.00-17.00%, Ni:44.00-46.00%, Al:2.90-3.90%, Ce:0.01-0.03%, Ti:0.10-0.30%, N:0.03-0.08%, and the balance of Fe and inevitable impurities.
    Type: Application
    Filed: June 4, 2020
    Publication date: September 23, 2021
    Inventors: Rui LUO, Zhizhong YUAN, Xiaonong CHENG, Pei GAO, Leli CHEN, Tian LIU