Professor, Shenyang Institute of Automation, China
Prof. Hongchao Qiao is a distinguished expert in laser processing technologies and currently serves as a Professor at the Shenyang Institute of Automation, Chinese Academy of Sciences 🇨🇳. He received his B.Eng. and M.Eng. degrees from Dalian University of Technology 🎓. Since joining SIA, his work has focused on water jet guided laser (WJGL) and laser shock peening technologies. With over 100 publications in SCI-indexed journals and 24 invention patents, he has contributed significantly to the field of precision machining. Prof. Qiao is a member of the Youth Innovation Promotion Association of the CAS and is recognized under the “Hundred, Thousand, Ten Thousand Talents Program” in Liaoning Province 🏅. His pioneering studies on composite material removal mechanisms and real-time efficiency evaluation using spectroscopy are highly impactful. He continues to lead innovative projects while mentoring young researchers and collaborating on industrial applications across China.
Professional Profile
📘 Education
Prof. Hongchao Qiao pursued both his Bachelor of Engineering and Master of Engineering Science degrees at Dalian University of Technology 🏫, a premier institution in China. His academic training laid a strong foundation in mechanical engineering and precision manufacturing, particularly focusing on laser-material interactions and advanced machining technologies. During his academic career, Prof. Qiao demonstrated a keen interest in interdisciplinary learning, integrating knowledge from fluid mechanics, optics, and materials science. This academic pathway directly influenced his post-graduate research direction, especially in the realm of laser-based surface and structural modification techniques. His education was marked by early exposure to research practices, leading to contributions in scientific articles even before his professional career formally began. The rigorous academic environment and mentorship at Dalian University provided Prof. Qiao with both technical depth and a spirit of innovation, which continue to guide his contributions to research and industry today.
🛠️ Experience
After completing his postgraduate studies, Prof. Hongchao Qiao joined the Shenyang Institute of Automation (SIA), Chinese Academy of Sciences, where he embarked on groundbreaking research in laser processing technologies 🔬. Over the years, he has played a pivotal role in over 27 research projects, including 21 completed and 6 ongoing studies. He has led investigations into water jet guided laser machining, laser shock peening, and hybrid thermal-mechanical processing techniques. His work involves both theoretical and experimental components, contributing to cutting-edge innovations in advanced manufacturing 🏭. Prof. Qiao also collaborates with industries, having successfully contributed to 11 consultancy/industry projects. His practical knowledge extends to system development, laser-fluid coupling, and spectroscopic analysis. Beyond research, he actively mentors graduate students and junior researchers, and engages in scientific collaboration across institutions. His experience spans academia, innovation, and applied engineering, making him a key figure in China’s laser-based smart manufacturing ecosystem.
🔬 Research Focus
Prof. Qiao’s research is centered on laser processing technologies, with a special focus on Water Jet Guided Laser (WJGL) machining and Laser Shock Peening (LSP) 💡. He proposed the double coaxial gas-assisted WJGL machining method, significantly improving the processing of difficult-to-cut materials such as carbon/silicon carbide fiber composites, superalloys, and silicon carbide 🔧. His research dives deep into material removal mechanisms, integrating effects of laser thermal input, forced water jet cooling, detonation wave shear, and plasma formation 🌊🔥. He is known for his discovery of plasma-induced detonation during WJGL and developed a real-time spectroscopic method for evaluating material removal efficiency. Prof. Qiao’s work combines mechanics, optics, and fluid dynamics, leading to high-precision, damage-minimized material processing. These innovations have not only advanced theoretical understanding but also have substantial industrial relevance. His future focus includes further enhancement of laser-fluid interaction models and development of intelligent machining systems.
Publication Top Notes
📄 A spectroscopic real-time characterization method of material removal efficiency in water jet guided laser machining technology
Authors: Zhihe Cao, Hongchao Qiao, Shunshan Wang, Jibin Zhao
Journal: Optics and Laser Technology
Citations: 0
Summary:
This study introduces a spectroscopic real-time monitoring technique to evaluate material removal efficiency during water jet guided laser (WJGL) machining. By analyzing the emission spectra generated in real-time, the method allows dynamic assessment of material ablation quality and machining performance. This innovation offers improved control and precision in laser processing of hard-to-machine materials, enhancing process automation and optimization.
📄 Numerical and experimental study on the stability of water-beam fiber in double coaxial gas-assisted water jet guided laser machining
Authors: Yuting Zhang, Hongchao Qiao, Jibin Zhao, Jinsheng Liang, Qing Zhang
Journal: Optics and Laser Technology
Citations: 0
Summary:
The paper presents both numerical simulations and experiments exploring the stability of the laser beam in water jet guided laser machining using a double coaxial gas-assist mechanism. The study analyzes how gas flow configurations affect the water column and laser delivery, contributing to enhanced machining precision and process reliability in complex industrial applications.
📄 Laser Shock Processing Mechanism and Its Applications in Aeronautical Components
Authors: Xiaodie Cao, Yinghua Li, Yuqi Yang, Hongchao Qiao, Yongjie Zhao
Type: Review Article
Citations: 0
Summary:
This review elaborates on the mechanisms of laser shock processing (LSP) and its practical applications in aeronautical components. It covers theoretical foundations, process parameters, residual stress generation, and microstructure enhancement. The study highlights LSP’s effectiveness in improving fatigue life and resistance to stress corrosion cracking in aerospace alloys.
📄 Numerical and experimental study on water jet-guided laser machining of closed-loop groove
Authors: Jinsheng Liang, Hongchao Qiao, Jibin Zhao, Shunshan Wang, Yuting Zhang
Journal: International Journal of Advanced Manufacturing Technology
Citations: 0
Summary:
This paper investigates the machining of closed-loop grooves using water jet-guided laser technology. By combining simulation models and experimental data, it analyzes groove shape, surface quality, and material removal mechanisms. Results demonstrate that the WJGL method offers high precision and reduced thermal damage for advanced manufacturing of intricate features.
📄 Simulation and experimental study on double staggered-axis air-assisted water jet-guided laser film cooling hole machining
Authors: Jinsheng Liang, Hongchao Qiao, Jibin Zhao, Yuting Zhang, Qing Zhang
Journal: Optics and Laser Technology
Citations: 1
Summary:
The study develops a novel configuration of air-assisted WJGL machining using double staggered-axis for film cooling hole creation, crucial in turbine blades. Simulations coupled with experiments show improved hole quality and directional control, providing a pathway for more efficient cooling systems in aeroengine components.
🔬 Conclusion
Professor Hongchao Qiao exemplifies excellence in scientific innovation, with pioneering contributions in laser machining technologies. His inventive method such as the double coaxial gas-assisted water jet guided laser technique—have significantly advanced material processing of complex composites. With over 100 research publications, 24 patents, and numerous completed projects, his work has made a lasting impact on both academia and industry. Recognized through prestigious programs like the “Hundred, Thousand, Ten Thousand Talents Program” and as a member of the Youth Innovation Promotion Association of CAS, Professor Qiao continues to lead with vision and dedication. His nomination for the Best Researcher Award is a well-deserved recognition of his sustained commitment to cutting-edge research, impactful innovations, and academic leadership.