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Hui Gao, male, professor, born in 1981. His Bachelor's degree in Mechanical Design and Automation was obtained from Nanhua University in 2004, PhD in Mechanical Design and Theory was obtained from Beijing University of Chemical Technology in 2010. As director of the Energy Industry Advanced Connection Technology Engineering Research Center in Higher Education Institutions in Beijing, he focuses on the welding processes, welding automation, underwater welding processes and equipment, friction welding processes and equipment, as well as mechatronics design area research. As the project leader, his three government funded projects and fourteen company funded projects have carried and completed. Based on the research work, his over 40 papers have been published, 10 patents been authorized, and 6 technology awards from various associations have been received.

I.  Major Research Areas

1. Development of welding processes and welding automation equipment;
2. Development of equipment for underwater welding and maintenance operations;
3. Development of special operation equipment and robots.

II. Rewards and Honors

1. Key technologies and applications for underwater inspection and welding repair of underwater oil and gas pipelines based on ROV, China Business Federation Science and Technology Second Prize, 2021.
2. Key technologies and applications for welding and underwater inspection and maintenance of marine oil and gas facilities, Second Prize of China Machinery Industry Federation Machinery Industry Science and Technology Award, 2025.
3. Underwater welding technology for nuclear power plant maintenance, third prize of China Nuclear Energy Industry Association Science and Technology Award, 2010.
4. Online repair technology and application of underwater structures in complex environments, first prize of Science and Technology of China Shipbuilding Engineering Society, 2022.
5. Dry high-pressure welding for submarine pipeline maintenance, first prize of Science and Technology Progress Award of China Petroleum and Chemical Industry Association, 2009.
6. Research on Key Technologies for Hot Work Repair in High Pressure Environment of Shield Tunnels, China Railway Engineering Corporation, Special Prize for Science and Technology, 2024.

III. Research Projects

1. 400 meter deep water ultra-high frequency pulse arc in-situ welding technology and equipment-module applicability research and simulation testing project, fund from Ministry of Science and Technology of the People’s Republic of China, Project Leader, 2023-2026.
2. Research on the Forming Process of Friction Stacked Welding Units for Marine Structures, fund from National Natural Science Foundation of China, Project Leader, 2010-2013.
3. Research on materials and unit assembly of long-life propellant gas sensing unit. fund from enterprise, Project leader, 2024-2025.
4. Development of automatic welding and maintenance of drilling tools and their supporting crawling robot system, fund from enterprise, Project leader, 2024-2025.
5. Development of narrow TIG automatic welding system and welding process for drilling tools, fund from enterprise, Project leader, 2023-2024.
6. Development of high-precision plate valve gate plane grinding processing system, fund from enterprise, Project leader, 2023-2024.
7. Development of automatic welding system for food machinery pressure vessels, fund from enterprise, Project leader, 2023-2024.
8. Development of C-type Friction Stir Welding Machine Bed System, fund from enterprise, Project Leader, 2021.
9. Development of a small conical grinder with adjustable inclination angle, fund from enterprise, Project leader, 2020.
10. Development of high-pressure water jet cleaning spray gun for marine organisms, fund from enterprise, Project leader, 2019.
11. Research on Underwater Friction Stud Welding Technology, fund from enterprise, Project Leader, 2018-2019.
12. Design of high-pressure water jet spray gun for platform marine organisms, fund from enterprise, Project leader, 2018.
13. Han Song Theater Stage Equipment and Disney Windmill Structural Mechanics Division,fund from enterprise, Project Leader, 2018.
14. Yacheng Subsea Pipeline Polishing Service, fund from enterprise, Project Leader, 2016.
15. Snake like robotic arm and its control system development,fund from enterprise, Project leader, 2016-2017.
16. Multi layer and multi pass welding planning system,fund from enterprise,  Project leader, 2015-2017.
17. New Wenchang Pipeline Repair Drilling Subcontracting Service,fund from enterprise, Project Leader, 2013.
18. Underwater dry pipeline maintenance system，fund from Ministry of Science and Technology of the People’s Republic of China, Main participant,2005-2010.
19. Key technologies for crack repair of deep-water steel structure，fund from Ministry of Science and Technology of the People’s Republic of China, Main participant,2005-2010.
20. Research on Key Technologies of Underwater Structure Repair System Based on Friction Welding, fund from Ministry of Science and Technology of the People’s Republic of China, Main participant,2011-2015.
21. Deep-water laying technology of sub-sea pipeline , fund from Ministry of Science and Technology of the People’s Republic of China, Main participant,2010-2015.
22. Research on the Connection Mechanism and Characteristics of Friction Welding for Underwater Steel Structure Repair, fund from National Natural Science Foundation of China, Main participant,2010-2013.

IV. Representative Publications

1. Zhang Kai, Gao Hui *, Lin Yuanhao, etc Analysis of process parameters for coaxial powder feeding argon arc cladding based on RSM and NSGA-II algorithms [J]. Journal of Welding, 2024, 45 (12): 106-116
2. Gao Hui, Hu Xiaohui, Wang Long, etc Digital Twin Technology of Welding Robots for Engineering Site Maintenance [J]. Journal of Welding, 2024, 45 (11): 55-60
3. Gao Hui, Zhou Canfeng, Hu Xiaohui, et al. Microstructure and Properties of 316L Stainless Steel Doped SiC Circular Coaxial Powder TIG Cladding Layer [J]. Journal of Welding, 2024, 45 (04): 49-56+132.
4. Li Yong, Tong Haodong, Gao Hui, etc Research on Plasma Arc Behavior and Process in High Pressure Environment [J]. Journal of Welding, 2023, 44 (06): 82-89+134.
5. Jie Zhao*; Yuqi Feng; Hui Gao*, et al. Erosion–Corrosion Behavior of Friction Stud Welded Joints of X65 Pipelines in Simulated Seawater under Different Flow Rates[J]. Materials, 2023.16, 4326:1-16.
6. Gang Ma, Hui Gao*, Chong Sun, et al. Probing the Anti-Corrosion Behavior of X65 Steel Underwater FSW Joint in Simulated Seawater[J]. Frontiers in Materials, 2022,8:1-14.
7. Dai Ting, Gu Yanhong, Gao Hui *, etc Electrochemical performance of underwater friction stud welded joints in saturated CO2 [J]. Chinese Journal of Corrosion and Protection, 2021, 41 (01): 87-95.
8. Liu Kailong, Gao Hui *, Cheng Zhangliang, etc Effect of Welding Heat Input on Friction Stir Spot Welding Performance of Aluminum/Steel [J]. Weapon Materials Science and Engineering, 2020,43 (01): 117-121.
9. GAO HUI, JIAO XIANG-DONG, XU YA-GUO, et al. Study of Underwater Friction Welding Technology, Welding Journal, 2014, 93(9): 54-58.
10. Tian Lu, Gao Hui *, Jiao Xiangdong Feasibility Welding Process of Friction Stud Welding Based on X65 Steel [J]. Journal of Shanghai Jiao Tong University, 2016, 50 (12): 1898-1901.
11. Gao Hui, Dong Jihong, Zhang Kun, etc The variation law of microstructure and properties of thick plate aluminum alloy stir friction welded joints along the thickness direction [J]. Journal of Welding, 2014, (08): 61.
12. Gao Hui, Jiao Xiangdong, Zhou Canfeng, etc Simulation of underwater friction stud welding process based on Abaqus [J]. Journal of Welding, 2014, 35 (12): 50-54.
13. Gao Hui, Jiao Xiangdong, Zhou Canfeng, etc Metallographic Structure Analysis of Q235 Steel Friction Stacked Welding Unit Forming Welding Joint [J]. Welding Technology, 2013, (06): 12.
14. Gao Hui, Jiao Xiangdong, Zhou Canfeng, etc The Effect of Preheating on Friction Welding Quality of LY12 Aluminum Alloy [J]. Journal of Shanghai Jiao Tong University, 2010, (S1): 70-74.
15. Gao Hui, Jiao Xiangdong, Zhou Canfeng, etc Control system of underwater high-pressure local dry automatic welding test device [J]. Journal of Welding, 2008, (10): 65-68.

V. Patents and Software Copyrights

1. Gao Hui, Hu Pan, Hu Junwei, etc An underwater pipeline polishing device [P]. Invention patent of the People's Republic of China, ZL201810444576.5, authorized announcement date: October 13, 2020
2. Gao Hui, Gao Guoxue, Hu Pan, etc A ROV based underwater high-pressure water jet cleaning rotary spray gun [P]. Utility model patent of the People's Republic of China, ZL201720784708. X, authorized announcement date: February 23, 2018
3. Liu Xiaoliang(graduate student), Gao Hui, Jiao Xiangdong, etc Underwater hydraulic hot swappable device [P]. Invention patent of the People's Republic of China, ZL201510394718.8, authorized announcement date: March 1, 2017
4. Xu Yaguo (graduate student), Gao Hui, Jiao Xiangdong, etc An underwater sacrificial anode connection device and connection method [P]. Invention patent of the People's Republic of China, ZL201510197062.0, authorized announcement date: February 23, 2018
5. Xu Yaguo(graduate student), Gao Hui, Jiao Xiangdong, etc An underwater sacrificial anode connection device [P]. Utility model patent of the People's Republic of China, ZL201520253409.4, authorized announcement date: August 12, 2015
6. Yang Haiqiang(graduate student), Zhou Canfeng, Gao Hui Underwater Spiral Propeller Thrust Adsorption Wall Climbing Robot [P]. Utility Model Patent of the People's Republic of China, ZL201420653396.5, Authorization Announcement Date: April 15, 2015
7. Gao Hui, Jiao Xiangdong, Zhou Canfeng Sacrificial anode underwater welding equipment based on friction stud welding [P]. Utility model patent of the People's Republic of China, ZL201420554553.7, authorized announcement date: February 25, 2015
8. Gao Hui, Jiao Xiangdong, Zhou Canfeng Dual CCD Welding Visual Monitoring System [P]. Utility Model Patent of the People's Republic of China, ZL201320010350.7, Authorization Announcement Date: August 14, 2013
9. Gao Hui, Jiao Xiangdong, Zhou Canfeng Robot Welding 3D Assisted Teaching System [P]. Utility Model Patent of the People's Republic of China, ZL201320010127.2, Authorization Announcement Date: October 16, 2013
10. Jiao Xiangdong, Gao Hui, Zhou Canfeng, etc Partial dry underwater friction welding device [P]. Utility model patent of the People's Republic of China, ZL201220625568.9, authorized announcement date: May 15, 2013             

VI. Admissions Information

I primarily recruit Master’s students for Academic Degree in Mechanical Engineering (0802) and Professional Degree in Mechanical Engineering (0855). Students majoring in mechanical engineering, automation, computer science, and related fields who are diligent, innovative, and collaborative are warmly welcomed to join our team.