Patents by Inventor Dapeng YANG

Dapeng YANG 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).

  • Patent number: 12297517
    Abstract: Steel for hot stamping, a hot stamping process and a hot stamped component, in which the steel for hot stamping contains in weight percentage C: 0.2-0.4%, Si: 0-0.8%, Al: 0-1.0%, B: 0-0.005%, Mn: 0.5-3.0%, Mo: 0-1%, Cr: 0-2%, Ni: 0-5%, V: 0-0.4%, Nb: 0-0.2%, Ti: ?0.01%, and impurity elements such as P, S, N unavoidable during smelting. The relationship 29*Mo+16*Mn+14*Cr+5.3*Ni?30% is satisfied when B?0.0005%, and 0.4-1.0% Al is contained when 0.0005%<B?0.005%.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: May 13, 2025
    Assignee: Ironovation Materials Technology Co., Ltd.
    Inventors: Hongliang Yi, Dapeng Yang, Xiaochuan Xiong, Guodong Wang
  • Patent number: 12276003
    Abstract: Provided in the present disclosure is a method of heat treating a high-strength steel, wherein the high-strength steel comprises, by weight: 0.30-0.45% C, 1.0% or less Si, 0.20-2.5% Mn, 0.20-2.0% Cr, 0.15-0.50% Mo, 0.10-0.40% V, 0.2% or less Ti, 0.2% or less Nb, and a balance of Fe and other alloy elements and impurities, wherein the above alloy elements make Eq(Mn) according to the following formula (1) no less than 1.82, which method comprises the steps of 1) austenitizing; 2) carbide precipitation; and 3) tempering. The heat-treated steel in accordance with the present invention has high strength, high ductility and high toughness at the same time, especially improved reduction in area of tensile sample, so that it is particularly suitable for preparing spring members for vehicle suspension. Eq(Mn)=Mn+0.26Si+3.50P+1.30Cr+2.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: April 15, 2025
    Assignee: IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Hongliang Yi, Shu Zhou, Dapeng Yang, Huajie Qin, Xiaochuan Xiong, Guodong Wang
  • Patent number: 11667988
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: June 6, 2023
    Assignee: Ironovation Materials Technology Co., Ltd.
    Inventors: Hongliang Yi, Zhiyuan Chang, Zhaoyuan Liu, Dapeng Yang, Xiaochuan Xiong
  • Patent number: 11578382
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: February 14, 2023
    Assignee: Ironovation Materials Technology Co., Ltd.
    Inventors: Hongliang Yi, Zhiyuan Chang, Zhaoyuan Liu, Dapeng Yang, Xiaochuan Xiong
  • Publication number: 20220325370
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Application
    Filed: June 17, 2022
    Publication date: October 13, 2022
    Applicant: IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Hongliang YI, Zhiyuan CHANG, Zhaoyuan LIU, Dapeng YANG, Xiaochuan XIONG
  • Publication number: 20220251673
    Abstract: Provided in the present disclosure is a method of heat treating a high-strength steel, wherein the high-strength steel comprises, by weight: 0.30-0.45% C, 1.0% or less Si, 0.20-2.5% Mn, 0.20-2.0% Cr, 0.15-0.50% Mo, 0.10-0.40% V, 0.2% or less Ti, 0.2% or less Nb, and a balance of Fe and other alloy elements and impurities, wherein the above alloy elements make Eq(Mn) according to the following formula (1) no less than 1.82, which method comprises the steps of 1) austenitizing; 2) carbide precipitation; and 3) tempering. The heat-treated steel in accordance with the present invention has high strength, high ductility and high toughness at the same time, especially improved reduction in area of tensile sample, so that it is particularly suitable for preparing spring members for vehicle suspension. Eq(Mn)=Mn+0.26Si+3.50P+1.30Cr+2.
    Type: Application
    Filed: October 18, 2019
    Publication date: August 11, 2022
    Applicant: IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Hongliang YI, Shu ZHOU, Dapeng YANG, Huajie QIN, Xiaochuan XIONG, Guodong WANG
  • Publication number: 20220119911
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Application
    Filed: January 3, 2022
    Publication date: April 21, 2022
    Applicant: IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Hongliang YI, Zhiyuan CHANG, Zhaoyuan LIU, Dapeng YANG, Xiaochuan XIONG
  • Patent number: 11248276
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: February 15, 2022
    Assignee: Ironovation Materials Technology Co., Ltd.
    Inventors: Hongliang Yi, Zhiyuan Chang, Zhaoyuan Liu, Dapeng Yang, Xiaochuan Xiong
  • Publication number: 20210214818
    Abstract: The present invention presents a steel for hot stamping, a hot stamping process and a hot stamped component. The steel for hot stamping in weight percentage contains C: 0.2-0.4%, Si: 0-0.8%, Al: 0-1.0%, B: 0-0.005%, Mn: 0.5-3.0%, Mo: 0-1%, Cr: 0-2%, Ni: 0-5%, V: 0-0.4%, Nb: 0-0.2%, Ti: ?0.01%, and impurity elements such as P, S, N unavoidable during smelting, wherein 29*Mo+16*Mn+14*Cr+5.3*Ni?30% is satisfied when B?0.0005%, and 0.4-1.0% Al is contained when 0.0005%<B?0.005%.
    Type: Application
    Filed: December 27, 2018
    Publication date: July 15, 2021
    Applicant: IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Hongliang YI, Dapeng YANG, Xiaochuan XIONG, Guodong WANG
  • Publication number: 20200385836
    Abstract: The present invention relates to a hot stamped component, a precoated steel sheet used for hot stamping, and a hot stamping process. The hot stamped component of the present invention is provided with a coating of aluminium or an aluminium alloy on at least one surface of the base steel, the coating is produced by interdiffusion between the base steel and a precoating of aluminium or aluminium alloy, and the coating has a thickness of 6 to 26 ?m.
    Type: Application
    Filed: December 27, 2018
    Publication date: December 10, 2020
    Applicant: IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
    Inventors: Hongliang YI, Zhiyuan CHANG, Zhaoyuan LIU, Dapeng YANG, Xiaochuan XIONG
  • Patent number: 9948575
    Abstract: An issuing method for a forwarding adjacency link and a logical node are provided. The method comprises: a first logical node receiving node information about a second edge forwarding node which is sent by a node management module of a controller in a virtual cluster; according to the node information about the second edge forwarding node, the first logical node generating a logical link between a first edge forwarding node and the second edge forwarding node; the first logical node adding the logical link between the first edge forwarding node and the second edge forwarding node to an IGP protocol message link state advertisement (LSA)/link state protocol data unit (LSP); and the first logical node issuing the logical link between the first edge forwarding node and the second edge forwarding node through the IGP protocol message LSA/LSP.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: April 17, 2018
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Jun Wang, Dapeng Yang
  • Publication number: 20160173415
    Abstract: An issuing method for a forwarding adjacency link and a logical node are provided. The method comprises: a first logical node receiving node information about a second edge forwarding node which is sent by a node management module of a controller in a virtual cluster; according to the node information about the second edge forwarding node, the first logical node generating a logical link between a first edge forwarding node and the second edge forwarding node; the first logical node adding the logical link between the first edge forwarding node and the second edge forwarding node to an IGP protocol message link state advertisement (LSA)/link state protocol data unit (LSP); and the first logical node issuing the logical link between the first edge forwarding node and the second edge forwarding node through the IGP protocol message LSA/LSP.
    Type: Application
    Filed: February 19, 2016
    Publication date: June 16, 2016
    Inventors: Jun WANG, Dapeng YANG