Areas of research interest

Advanced Manufaturing Processes,

Keyhole Welding Processes, 

Process Monitoring and intelligent control, 

Manufacturing Process Simulation

Teaching

Welding processes simulation (CFD) (Master)

Welding processes

Honors and awards

2013 Excellent student cadre of Shandong University

2014        Hiwin Doctoral Dissertation Award (Excellent Work)

2015        Excellent Doctoral Dissertation Award (Shandong Province)

Research projects

1. "Control mechanism of the arc heat-force property and keyhole stability in the magnetic-enhanced K-TIG", National Natural Science Foundation of China, No. 51505329, 2016/01-2018/12.

2. "Vision observation and control of the weld pool and keyhole dynamic behavior in K-TIG welding process", Tianjin Research Program of Application Foundation and Advanced Technology, No. 15JCQNJC03400, 2015/01-2018/12.

3. "Control of the dynamic keyhole behavior in pulse K-TIG welding process", State Key Laboratory of Advanced Welding and Joining Program. 2017/1-2018/12.

4. "High efficiency high quality welding manufacture equipment for LNG ship tank and its industrialization", Factory Program. 2014/6-2016/12.

5, "Dynamic Weld Pool Heat Transfer in the Controlled-Pulse Plasma Arc Welding", National Natural Science Foundation of China, No.50936003, 2010/01-2013/12.

6, "Research on Influence Mechanism of Heat Source to HAZ Width and Grain Size in TCS Stainless Steel Welding", National Natural Science Foundation of China, No.51074098, 2011/01-2013/12.

7, "Research on the Behavior of the Arc and Droplet in the Under-water Cored Wire Welding Process", National Natural Science Foundation of China, No.51105237, 2012/01-2014/12.

Selected publications (Journal articles, patents and books)

1. Z.M. Liu, C.S. Wu and J.Q. Gao. Vision-based observation of keyhole images in plasma arc welding. International Journal of Thermal Sciences, 2013, 63(1): 38-45.

2. Z.M. Liu, C.S. Wu and M.A. Chen. Visualizing the influence of the process parameters on the keyhole dimensions in plasma arc welding. Measurement Science and Technology, 2012,23:105603 (9pp)

3. Z.M. Liu and C.S. Wu. Visualization of dynamic keyhole behaviors in waveform-controlled plasma arc welding. Welding in the world, 2013 (6):719-725

4. Z.M. Liu, C.S. Wu and J. Chen. Sensing dynamic keyhole behaviors in controlled-pulse key-holing plasma arc welding. Welding Journal, 2013, 92(12): 381-s - 389-s. 

5. Z.M. Liu, C.S. Wu and M.A. Chen. Experimental sensing of the keyhole exit deviation from the torch axis in plasma arc welding. The International Journal of Advanced Manufacturing Technology, 2014, 71:1209- 1219.

6. ZM Liu, YK Liu, CS Wu, Z Luo. Control of Keyhole Exit Position in Plasma Arc Welding Process. Welding Journal, 2015, 94(6): 196-s-202-s.

7. Z.M. Liu and C.S. Wu. The influence of keyhole behaviors to the weld defects in plasma arc welding process. Welding Journal, 2015, 94(9): 281-s-290-s.

8. Z.M. Liu, ShuangLin Cui, Zhen Luo, ChangZhen Zhang, ZhengMing Wang, YuChen Zhang. Journal of Manufacturing Processes. Journal of Manufacturing Processes, 2016, doi:10.1016/j.jmapro.2016.04.004. 

9. ZuMing Liu YueXiao Fang ShuangLin Cui Zhen Luo, WeiDong Liu ZhiYi Liu Qu Jiang Song YiStable keyhole welding process with K-TIG. Journal of Materials Processing Technology, http://dx.doi.org/doi:10.1016/j.jmatprotec.2016.07.005. 

10. C.S. Wu and Z.M. Liu. Dynamic variation of keyhole exit and its inclination in plasma arc welding. Welding in the World, 2015, 59 (6): 365-371.

11. G.K. Zhang, C.S. Wu and Z.M. Liu. Experimental observation of both keyhole and its surrounding thermal field in plasma arc welding. International Journal of Heat and Mass Transfer, 2014, 70:439-448. 

12. Y.Q. Feng, Z. Luo, Z.M. Liu, Y. Li, Y.C. Luo, Y.X. Huang. Keyhole gas tungsten arc welding of AISI 316L stainless steel. Materials & Design, 2015, 85 (11): 24-31.

13. R. Duan, Z. Luo,Y. Li, Y. Zhang and Z.M. Liu. Novel postweld heat treatment method for improving mechanical properties of resistance spot weld. Science and Technology of Welding and Joining, 2015, 20(2): 100-105.

14. Y. Zhang, Z. Luo*, Y. Li, Z.M. Liu, Z.Y. Huang. Microstructure characterization and tensile property of Mg/Al dissimilar joints manufactured by thermo-compensated resistance spot welding with Zn interlayer. Materials and Design, 2015, 75, 166-173.

15. Z.M. Liu, C.S. Wu, S.L. Cui, Z. Luo. The correction of the keyhole exit deviation distance to the weld pool thermal state in plasma arc welding. International Journal of Heat and Mass Transfer. Under review

16. Y.C. Cai, Z. Luo, M.N. Feng, Z.M. Liu, Z.Y. Huang, Y.D. Zeng. Effect of activator on mechanical properties and intercrystalline corrosion resistance of austenitic stainless steel weld. Journal of Materials Processing Technology, 2016, 234(8): 243-248. 

17. Y.C. Cai, Z. Luo, M.N. Feng, Z.M. Liu, Z.Y. Huang, Y.D. Zeng. The effect of TiC/Al2O3 composite ceramic reinforcement on tribological behavior of laser cladding Ni60 alloys coatings. Surface and Coatings Technology, 2016, 291(4): 222-229. 

18. W.D. Liu, S.S. Ao, Y. Li, Z.M. Liu, H. Zhang, Z. Luo, H.L. Yu. Investigation on the profile of microhole generated by electrochemical micromachining using retracted tip tool. The International Journal of Advanced Manufacturing Technology, 2016: DOI 10.1007/s00170-016-8535-2. 

Social Appointments

American Welding Society(AWS) Fellowship

Reviewer in Journals: 

International Journal of Heat and Mass Transfer, 

Journal of Materials Processing Technology, 

Materials and Design, 

Journal of Manufacturing Processes, 

The Journal of Strain Analysis for Engineering Design