Academic Staff

Brief Biosketch

Dr. Chunjin Wang is currently an Assistant Professor in the Department of Industrial and Systems Engineering (ISE) at The Hong Kong Polytechnic University (PolyU). He received his bachelor and PhD degree from Xiamen University in 2010 and 2015, respectively. He joined the State Key Lab of Ultra-precision Machining Technology in ISE at PolyU in 2015, initially as a postdoctoral fellow. Then he became a research fellow in 2018 and a research assistant professor in 2020. His research interests include ultra-precision polishing technology, ultra-precision machining equipment and instrumentation, advanced optics manufacturing and functional surface engineering. He has published more than 100 refereed journal papers，including International Journal of Machine Tools and Manufacture, International Journal of Mechanical Sciences, etc. He is currently a senior member of the Chinese Society of Optical Engineering (CSOE), a member of the Youth Expert Committee of Advanced Optical Manufacturing of the Chinese Society of Optical Engineering, a member of the International Academic Committee of the European Conference on Precision Engineering and Nanotechnology (EUSPEN), and a member of the International Academic Committee of the Asian Conference on Precision Engineering and Nano Manufacturing (ASPEN). He is currently an editorial board member of the Journal of Optics and Precision Engineering and a young editor of several international journals, including International Journal of Extreme Manufacturing, Nanomanufacturing and Metrology, Advances in Manufacturing, Nanotechnology and Precision Engineering, International Journal of Hydromechatronics, Infrared and Laser Engineering, Diamond and Abrasives Engineering.

Research Specialties

• Ultra-precision Polishing Technology;
• Ultra-precision Machining Equipment and Instrumentation;
• Advanced Optics Manufacturing;
• Functional Surface Engineering.

Selected Journal Publications

1. Yee Man Loh, Chunjin Wang*, Rui Gao, Lai Ting Ho, Chi Fai Cheung*. Light: Advanced Manufacturing. Magnetic Field-assisted Batch Polishing Method for the Mass Production of Precision Optical Glass Components. 2024.

2. Kangsen Li, Chunjin Wang*, Feng Gong, Chi Fai Cheung*, Zibin Chen, Zuankai Wang*. Coating-Free Superhydrophobic Hard Surfaces by Electric Discharge Machining with a Magnetic-assisted Self-assembly Sheet electrode. ACS Applied Materials & Interfaces. 2024, 16(12):15548-57.

3. Xiong Zhang, Chunjin Wang*, Chi Fai Cheung*, Gaoyang Mi, Chunming Wang. Ultrafast laser ablation of tungsten carbide: towards the heat accumulation induced transition of shape, micro-feature, and hardness. Journal of the American Ceramic Society, 2024, 107(6):3724-34.

4. Wang Y, He Z, Xie S, Wang R, Zhang Z, Liu S, Shang S, Zheng P, Wang C*. Explainable prediction of surface roughness in multi-jet polishing based on ensemble regression and differential evolution method. Expert Systems with Applications. 2024 Feb 28:123578.

5. Liang X, Zhang C, Cheung CF*, Wang C*, Li K, Bulla B. Micro/nano incremental material removal mechanisms in high-frequency ultrasonic vibration-assisted cutting of 316L stainless steel. International Journal of Machine Tools and Manufacture. 2023,191:104064.

6. Zhang Z, Wang C*, Guo J, Cheung CF*. Micro-milling tool mark removal mechanism by fluid jet polishing and its application for the precision manufacturing of micro-fluidic chip molds. Tribology International. 2023,189:108913.

7. Liang X, Liu Z*, Ren L, Wang B, Wang C*, Yao G, Cheung CF*. Analytical model for thermo-mechanical interaction induced residual stress distribution during multi-conditional machining Inconel 718. Mechanical Systems and Signal Processing. 2023,204:110835.

8. Kangsen Li, Chunjin Wang*, Feng Gong, Chi Fai Cheung*. Facile and flexible fabrication of structured array surface on the tungsten carbide by using EDM with a novel self-assembly ball electrode. Journal of the American Ceramic Society. 2023, 106(12):7386-99

9. Loh YM, Gao R, Cheung CF, Chen Y, Li X, Li X, Tsoi JK, Wang C*. A novel magnetic field assisted automatic batch polishing method for dental ceramic crowns. Ceramics International. 2023, 49(16):26540-7

10. Wang C*, Loh YM, Cheung CF*, Liang X, Zhang Z, Ho LT. Post processing of additively manufactured 316L stainless steel by multi-jet polishing method. Journal of Materials Research and Technology. 2023, 23:530-50

11. Zhang, Z.; Wang C*.; Zhu, W.; Guo, J.; Cheung, C.F. Surface generation modelling and form maintenance strategy in maskless fluid jet polishing of structured array surface. Applied Surface Science. 2023, 622, 156855.

12. Ke X, Yu Y, Li Kangsen, …, Wang C*. Review on robot-assisted polishing: Status and future trends. Robotics and Computer-Integrated Manufacturing. 2023; 80:102482.

13. Liang X, Zhang C, Wang C*, Li K, Loh YM, Cheung CF*. Tool wear mechanisms and surface quality assessment during micro-milling of high entropy alloy FeCoNiCrAlx. Tribology International. 2023; 178:108053.

14. Wang R, Cheng MN, Loh YM, Wang C*, Cheung CF*. Ensemble learning with a genetic algorithm for surface roughness prediction in multi-jet polishing. Expert Systems with Applications. 2022;207:118024.

15. Wang C*, Loh YM, Cheung CF*, Wang S, Chen K, Ho LT, Cheng E. Magnetic field-assisted batch superfinishing on thin-walled components. International Journal of Mechanical Sciences. 2022;223:107279.

16. Wang C, Zhang Z, Cheung CF*, Luo W, Loh YM, Lu Y, Kong L, Wang S. Maskless fluid jet polishing of optical structured surfaces. Precision Engineering. 2022;73:270-83.

17. Wang CJ, Cheung CF*, Ho LT, Loh YM. Development of a fluid line-jet polishing process for rotational axisymmetric surfaces. Journal of Manufacturing Processes. 2021;61:15-24.

18. Wang C, Cheung CF, Ho LT, Yung KL, Kong L. A novel magnetic field-assisted mass polishing of freeform surfaces. Journal of Materials Processing Technology. 2020; 279:116552.

19. Wang CJ, Cheung CF, Ho LT, Liu MY, Lee WB. A novel multi-jet polishing process and tool for high-efficiency polishing. International Journal of Machine Tools and Manufacture. 2017; 115:60-73.

20. Wang CJ, Cheung CF, Liu MY. Numerical modeling and experimentation of three dimensional material removal characteristics in fluid jet polishing. International Journal of Mechanical Sciences. 2017; 133:568-77.

Honours/Awards/Prizes

• Gold Medal of the Aisa International Invention and Innovation Award. (2023)
• Best paper award in the 9th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN), Singapore. (2022)
• Best paper award in the 8th International Conference on Nanomanufacturing (NanoMan) & The 4th AET Symposium on ACSM and Digital Manufacturing, Virtual. (2022)
• 2021-22 Hong Kong Awards for Industries: Equipment and Machinery Design Certificate of Merit.
• Young Researcher Award at 8th International Conference of Asian Society for Precision Engineering and Nanotechnology (ASPEN), Matsue, Japan. (2019)
• Special Merit Award, Romanian Association for Nonconventional Technologies in the 47th International Exhibition Inventions New Techniques & Products in Geneva, Switzerland (2019).
• Special Merit Award-Excellence Innovation Award, University of Politechnica of Bucharest in the 47th International Exhibition Inventions New Techniques & Products in Geneva, Switzerland (2019).
• A Silver medal in the 47th International Exhibition Inventions New Techniques & Products in Geneva, Switzerland (2019).
• Best paper award in The 14th China-Japan International Conference on Ultra-Precision Machining Process (CJUMP), Harbin, China. (2018)