1. The development of narrow gap welding;Zhang;Weld. Technol.,2000
2. Narrow gap welding technology and economical characters analysis;Hu;Weld. Technol.,2001
3. K. Seiji, A. Yohei, M. Masami, K. Yousuke, Deep penetration welding with high-power laser under vacuum, in: Proceedings of the 30th International Congress on Applications of Lasers and Electro-Optics (ICALEO), Laser Institute of America, 2011, pp. 669–678.
4. G. Shi, P.A. Hilton, Comparison of the gap bridging capability of CO2 laser and hybrid CO2 laser MAG welding on 8mm thickness C–Mn steel plate, in: Proceedings of the 58th Annual Assembly and International Conference of International Institute of Welding, 14–15 July 2005, Prague, Czech Republic, pp. 75–87.
5. Effect of joint gap on the quality of laser beam welded near-β Ti- 5333 alloy with the addition of Ti–6Al–4V filler wire;Shariff;J. Mater. Sci.,2012