研究内容着重在微细电火花的电极损耗补偿，大深径比微孔加工；微细超声波加工的工具损耗机理等。

发表论文 国内外期刊论文64篇，国内外会议论文83篇。

代表论文有

1. Rimao Zou, Zuyuan Yu, Chengyang Yan, Jianzhong Li, Xin Liu, Wenji Xu, Micro electrical discharge machining in nitrogen plasma jet, Precision Engineering, Available online 24 August 2017
2. Rimao Zou, Zuyuan Yu∗, Wei Li, Meigang Guo, Jianzhong Li, Influence of porous structure on the machining performance of micro EDM, Journal of Materials Processing Technology 232 (2016), 43–51
3. Xuejie Guo, Zuyuan Yu, Zhongwei Lv, Jianzhong Li, Wataru Natsu, Optimization of Planetary Movement Parameters for Microhole Drilling by Micro-Electrical Discharge Machining, Journal of Micro- and Nano-Manufacturing (Transactions of the ASME), SEPTEMBER 2013, Vol. 1 / 031007-1.
4. Jian-Zhong Li, Lu Xiao, Hui Wang, Hui-Lan Yu, Zu-Yuan Yu, Tool wear compensation in 3D micro EDM based on the scanned area, Precision Engineering Vol. 37, Issue 3, July (2013) 753-757.
5. J.Z. Li, F.H. Shen, Z.Y. Yu, W. Natsu, Influence of microstructure of alloy on the machining performance of micro EDM, Surface & Coatings Technology, Volume 228, Supplement 1, 15 August 2013, Pages S460–S465
6. Li Jianzhong, Yin Guoqiang, Wang Cong, Guo Xuejie and Yu Zuyuan, Prediction of aspect ratio of a micro hole drilled by EDM, Journal of Mechanical Science and Technology 27 (1) (2013) 185~190.
7. Zuyuan Yu (2), Chunshi Ma, Chengming An, Jianzhong Li, Dongming Guo, Prediction of tool wear in micro USM, Annals of the CIRP - Manufacturing Technology 2012, 61/1, 227–230
8. Wataru Natsu, Hisashi Nakayama, and Zuyuan Yu, Improvement of ECM Characteristics by Applying Ultrasonic Vibration, International Journal of Precision Engineering and Manufacturing, 2012,Vol. 13, No. 7, pp. 1131-1136.
9. J. Li, T. Wu, Z. Yu, L. Zhang, G. Chen, D. Guo, Micro Machining of Pre-sintered Ceramic Green Body, Journal of Materials Processing Technology, 212 (2012) pp. 571-579.
10. G. Yin, Z. Yu, C. An, J. Li, Modeling Aspect Ratio of a Micro EDM Hole, Advanced in Materials Research Vols. 126-128 (2010), 829-834.
11. Hui-Lan Yu, Ji-Jie Luan, Jian-Zhong Li, Yu-Sheng Zhang, Zu-Yuan Yu and Dong-Ming Guo, A new electrode wear compensation method of improving performance in 3D micro EDM milling, Journal of Micromechanics and Microengineering 20 (2010) 055011, 1-7.
12. Z.Y. Yu, Y. Zhang, J. Li, J. Luan, F. Zhao, D. Guo, High aspect ratio micro-hole drilling aided with ultrasonic vibration and planetary movement of electrode by micro-EDM, Annals of the CIRP, Vol. 58/1, 2009, 213-216.
13. Z. Yu, X. Hu, K. P. Rajurkar, Influence of Debris Accumulation on Material Removal and Surface roughness in Micro Ultrasonic Machining of Silicon, Annals of the CIRP, 2006, Vol. 55/1, 2006, 201-204.
14. Z. Yu, K. P. Rajurkar and A. Tandon, Study of 3D Micro Ultrasonic Machining, Journal of Manufacturing Science and Engineering (ASME), Vol. 126, Nov., 2004, 727-732.
15. J. Narasimhan, Z. Yu, K. P. Rajurkar Tool Wear Compensation and Path Generation in Micro and Macro EDM, Journal of Manufacturing Processes, Vol. 7, No. 1, 2005, 75-82.
16. Z.Y. Yu, J. Kozak and K. P. Rajurkar, Modelling and Simulation of Micro EDM Process, Annals of the CIRP, Vol. 52/1, 2003, 143-146.
17. Z. Yu, K. P Rajurkar and H. Shen, High Aspect Ratio and Complex Shaped Blind Micro Holes by Micro EDM, Annals of the CIRP, Vol. 51/1, 2002, 359-362.
18. K. P. Rajurkar, Z. Y. Yu, Micro EDM Can Produce Micro Parts, Manufacturing Engineering, Vol. 125, No. 5, Nov. 2000.
19. K. P. Rajurkar and Z. Y. Yu, 3D Micro-EDM Using CAD/CAM, Annals of the CIRP, Vol. 49/1, 2000, 127-130.
20. Z.Y. Yu, T. Masuzawa and M. Fujino, Micro-EDM for Three Dimensional Cavities, --Development of Uniform Wear Method--, Annals of the CIRP, Vol. 47/1, 1998, 169-172.