College of Mechanical and Vehicle Engineering, Hunan University
Changsha, Hunan Province, 410082
People’s Republic of China
jxz2014@hnu.edu.cn

2006 – present: Professor, Hunan University, College of Mechanical and Vehicle Engineering
2001 – 2006: Associate Professor, Hunan University, College of Mechanical and Automobile Engineering
1990 – 2001: Assistant Professor, Hunan University, College of Mechanical and Automobile Engineering

2005: Visiting Scholar, Institut für Strahlwerkzeuge (IFSW), University of Stuttgart, Germany
2006: Visiting Scholar, Fraunhofer Institute of Laser Technology（ILT）, RWTH Aachen University, Germany

2002:  Ph.D., Hunan University
1990:  M.A., Hunan University
1987:  B.A., Hunan University

Laser Materials Processing: Laser Welding, Laser Cutting, Laser Cladding, etc.
Friction Stir Welding
Mechanical Design & Manufacturing

2019 National Natural Science Foundation of China Grant No. 51875189: “A study on the mechanism of the keyhole formation during deep penetration laser welding of aluminum alloy by using direct layer-by-layer cross sectional observation of the keyhole and the plasma existed in the keyhole”(RMB815,700)
2018 National Key R & D Project of China Grant No. 2018YFB1107802: “A study on the techniques for restraining the defects and controlling the deformation during laser welding of large-scale components with thin sheets”(RMB4,400,000)
2018 Honored as a Yuelu Scholar of Hunan University
2015 First Class Award for Science and Technology of Mechanical Industry, P.R.C.
2014 Second Class Award for Science Progress of Ministry of Education of the People’s Republic of China
2014 Excellent Supervisor for M.A. Thesis Award of Hunan Province, P.R.C.
2013 Excellent Supervisor for M.A. Thesis Award of Hunan Province, P.R.C.
2009 National Natural Science Foundation of China Grant No. 50875079: “A study on the keyhole effects based on direct observation of the spectrum emitted from the plasma existed in the keyhole during deep penetration laser welding of aluminum alloy” (RMB340,000)
2009 Natural Science Foundation of Hunan Province of P.R.C. Grant No. 09JJ3088: “Direct observation and research on the spectrum emitted from the plasma existed in the keyhole during deep penetration laser welding of aluminum alloy” (RMB100,000)
2004 Entitled as the Young Backbone Teacher of Hunan Province, P.R.C.
2003 First Class Award for Science Progress of Hunan Province, P.R.C.
2003 Excellent Ph.D. Thesis Award of Hunan Province, P.R.C.

Representative Publications
1.Effects of filling material and laser power on the formation of intermetallic compounds during laser-assisted friction stir butt welding of steel and aluminum alloys. Applied Physics A, 2016，122(11)：1-10
2.Effect of pre-hole offset on the property of the joint during laser-assisted friction stir welding of dissimilar metals steel and aluminum alloys. Materials Science & Engineering A, 2016，653：43–52
3.Direct observation of keyhole plasma characteristics in deep penetration laser welding of aluminum alloy 6016. Journal of Physics D: Applied Physics, 2012，45（24）:456-463
4.Fresnel absorption and inverse bremsstrahlung absorption in an actual 3D keyhole during deep penetration CO2 laser welding of aluminum alloy 6016. Optics & Laser Technology, 2012, 44(5)：1426~1436
5.Multiple reflections and Fresnel absorption in an actual 3D keyhole during deep penetration laser welding. Journal of Physics D: Applied Physics, 2006，39(21)：4703-4712
6.A study on Fresnel absorption and reflections in the   keyhole in deep penetration laser welding. Journal of Physics D: Applied Physics, 2002, 35(18): 2304~2310
7.A heat transfer model for deep penetration laser welding based on an actual keyhole. International Journal of Heat and Mass Transfer, 2003, 46(1): 15~22
8.An experimental study on the keyhole shapes in laser deep penetration welding. Optics & Lasers in Engineering, 2004, 41(5): 779~790
9.A conduction model for deep penetration laser welding based on an actual keyhole. Optics & Laser Technology, 2003, 35(1): 5~12
10.A three-dimensional model of multiple reflections for high-speed deep penetration laser welding based on an actual keyhole. Optics & Lasers in Engineering, 2008, 46(1): 83~93