Researcher Portfolio

Sun Zheng (Dr)
Senior Industry Development Manager
Joining Technology
Introduction:Worked in Central Iron and Steel Research Institute, Lappeenranta University of Technology, Technical Research Centre of Finland, Metalock (Singapore) Ltd

Achievement:
Joint recipient of the 1995 National Technology Award for contributions in marine repair processes using electron beam technology

Recent industry projects:
· In-process monitoring for stud welding of aluminium alloy
· Study on welding repair of rotorshafts
Research Interest:Joining processes and joinability of materials
BioNotes:BE from Tsinghua University (China)
ME from Harbin Institute of Technology (China)
PhD from Lappeenranta University of Technology (Finland)
MBA from Golden Gate University (USA)
Publications:1. Z. Sun and H.Y. Han, "Hot ductility of simulated stainless steel weld metals" Journal of Materials Science, Vol.27, 1992, 1311-1316.

2. Z. Sun, "A study of solidification crack susceptibility using the solidification cycle hot-tension test" Materials Science and Engineering, Vol.A154, 1992, 85-92.

3. Z. Sun and T. Moisio, "Laser beam welding of austenitic/ferritic dissimilar steel joints using nickel based filler wire" Materials Science and Technology, Vol.9, 1993, 603-608.

4. Z. Sun, "Residual stresses in laser welded tube-to-tube dissimilar steel joints" Scripta METALLURGIACA et MATERIALIA, Vol.29-5, 1993, 633-637.

5. Z. Sun and J.C. Ion, 'Review: Laser welding of dissimilar metal combinations' Journal of Materials Science, Vol 30, 1995, 4205-4214.

6. Z. Sun, 'Feasibility of producing ferritic/austenitic dissimilar metal joints by high energy density laser beam process' International Journal of Pressure Vessels and Piping Vol.68, 1996, 153-160.

7. Z. Sun and M. Kuo, 'Laser welding with powder feed 'Science and Technology of Welding and Joining, Vol.3, No.6, 1998, 279-285.

8. Z. Sun, M. Kuo and D. Pan., 'Twin-wire gas tungsten arc cladding offers increased deposition rates 'Welding Journal, Vol.78, No.10, 1999, 61-64.

9. M. Kuo, Z. Sun, and D. Pan, 'Laser welding with activating flux 'Science and Technology of Welding and Joining, Vol.6, No.1, 2001, 17-21.

10. Z. Sun, D. Pan & J. Wei . Comparative Evaluation of Tungster Inert Gas and Laser Welding of AZ31 Magnesium Alloy 'Science and Technology of Welding and Joining, Vol. 7, No. 6, 2002, 343-351.

11. Z. Sun, I. Annergren, D. Pan & T.A. Mai. 'Effect of Laser Surface Remelting on the Corrosion Behaviour of Commercially Pure Titanium Sheet 'Materials Science and Engineering A, Vol. 345, Issues 1-2, 2003 293-300.
Awards:Joint recipient of the 1995 National Technology Award for contributions in marine repair processes using electron beam technology