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Shougen Li, male, born in October 1990, Ph.D. in Engineering, Master's Supervisor. He graduated in 2021 from Beijing Forestry University, currently working in the Department of Mechanical Engineering. His research primarily focuses on underwater welding processes and equipment, underwater cutting technologies, and the design and manufacturing of modern mechanical equipment. He has published more than 20 academic papers, granted 3 invention patents, and received 2 provincial and ministerial-level awards.

 

I. Major Research Areas

1. Underwater welding processes and equipment.
2. Underwater cutting technology
3. Modern mechanical equipment design and manufacturing

 

II. Rewards and Honors

1. Online Repair Technology and Application for Underwater Complex Structures, China Shipbuilding Engineering Society, Science and Technology Progress First Prize, Provincial and Ministerial Level, 2022.
2. Key Technologies and Applications for Welding and Underwater Inspection and Maintenance of Marine Oil and Gas Facilities, China Machinery Industry Federation and China Mechanical Engineering Society, Science and Technology Progress Second Prize, Provincial and Ministerial Level, 2025.

 

III. Research Projects

1. Beijing Municipal Education Commission General Science and Technology Project: Mechanism and Performance Regulation of Laser Repair Formation in the Local Dry Underwater Welding Process for Spent Fuel Pool Cover Plates at Nuclear Power Plants. (2023.01–2025.12, Ongoing, Principal Investigator).
2. Industry Collaboration Project: Design, Manufacture, and Process Development of Underwater Drainage Hood. (2024.01–2024.06, Completed, Principal Investigator).
3. Beijing Municipal Education Commission - Beijing Natural Science Foundation Key Technology Project: Study on the Mechanism of Local Dry Underwater Laser Filler Wire Additive Manufacturing for Ship Repair. (2022.01–2024.12, Completed, Participant).
4. Industry Collaboration Project: Manufacturing and Integration Testing of Underwater Laser Additive and Cutting Devices. (2022.09–2023.07, Completed, Participant).
5. Industry Collaboration Project: Underwater Laser Welding Device. (2022.10–2023.04, Completed, Participant).
6. Industry Collaboration Project: Underwater Environmental Simulation Test Device, Welding Test Specimens, and Crack Defect Simulation Verification. (2022.03–2022.10, Completed, Participant).

 

IV. Representative Publications

1. Yang Zilong, Li Shougen, Zhu Jialei, et al. Optimization of Laser Cutting Parameters for 304 Stainless Steel in Air and Underwater Environments. JOM, 2025, 77(11): 8718-8731.
2. Li Songzhao, Zhu Jialei, Song Kuangda, et al. Comparison of Laser Welding Process and Weld Performance for S32101 Stainless Steel in Air and Underwater Environments. Chinese Journal of Surface Engineering, 2025, 38(01): 265-277.
3. Guo Fangtao, Zhu Jialei, Zhao Youliang, et al. Effect of Underwater Environment on Weld Performance of S32101 Duplex Stainless Steel. Chinese Journal of Surface Engineering, 2025, 1-11 (Published on April 2, 2025).
4. Yang Chi, Zhu Jialei, Li Shougen, et al. Microstructure and Performance of Multi-layer and Multi-pass Laser Filler Wire Cladding on Q345B Steel Surface. Heat Treatment Technology, 2024, 53(23): 14-19.
5. Zhu Jialei, Guo Fangtao, Li Shougen, et al. Laser Filler Welding Repair Process for U-shaped Groove of S32101 Duplex Stainless Steel. Welding Journal, 2024, 45(10): 69-78.
6. Yang Chi, Zhou Feihong, Li Shougen, et al. Research on the Application of Six Sigma in the Shipbuilding Industry. Journal of Beijing Petroleum and Chemical Engineering Institute, 2024, 32(01): 6-11.
7. Si Haochen, Li Shougen, Zhu Jialei, et al. Application of TRIZ in Control of Welding Deformation of Thin Plates in Cruise Ships. Metal Processing (Heat Treatment), 2024, (03): 46-48+53.
8. Shougen Li, Chongchong Chen, Yaxiong Wang, et al. Study on the Atomization Characteristics of Flat Fan Nozzles for Pesticide Application at Low Pressures. Agriculture, 2021, 11(4): 309.
9. Shougen Li, Yalan Jia, Yaxiong Wang, et al. Effects of Spray Pressure, Distance, Angle, and Equivalent Orifice Diameter on Spray Uniformity for Nano-pesticide Application. International Journal of Nanotechnology, 2022, 19(6): 1045.

 

V. Patents and Software Copyrights

1. Li Shougen, Li Songzhao, Zhu Jialei, et al. Underwater Welding Repair Device for Spent Fuel Pool. China, ZL202211070127.1 (Patent, Issued on July 25, 2023).
2. Zhu Jialei, Li Songzhao, Li Shougen, et al. System and Method for Micro-tube Underwater Repair. China, ZL202210914524.6 (Patent, Issued on July 7, 2023).
3. Li Congwei, Zhu Jialei, Li Shougen, et al. Vision-based Local Dry Underwater Laser Filler Welding Device and Method for Groove Welding. China, ZL202311266326.4 (Patent, Issued on October 11, 2024).

 

VI. Admissions Information

Welding, Mechanical Engineering, Automation, and other related fields.