[1] [1] J K Bayshore, M S Williams, Y Adonyi, et al.. Laser beam welding and formability of tailored blanks[J]. Welding Journal, 1995, 74(10): 345-352.

[2] [2] Masashi Oikawa, Katsuhiro Minamida. Development of the laser spot welded stainless steel panel for vehicle body[C]. ICALEO, 2006. 330-336.

[3] [3] A Matsunawa, S Katayama, H Ikeda, et al.. Effect of pulse shaping on defect reduction in pulsed laser welding[C]. ICALEO, 1992, 92(75): 547-556.

[4] [4] Song Dongfeng, Hu Shengsun, Ma Li. Development of laser-based welding of aluminum alloy[J]. Electric Welding Machine, 2004, 34 (9): 1-3.

[5] [5] Liang Xueping, Su Shihuai. Laser welding of automobile tailored blank[J]. Iron Steel Vanadium Titanium, 1996, 17(4): 63-69.

[6] [6] Yang Chunyan. Application and development of laser welding technology[J]. J Xi′an Aerotechnical College, 2008, 26(5): 18-20.

[7] [7] Fang Zhimin, Xie Songjing, Yao Jianhua. The application of laser machining in advances manufacturing technology[J]. Mechanical Engineer, 2003, (8): 27-30.

[8] [8] J M Jouvard, K Girard, O Perret. Keyhole formation and power deposition in NdYAG laser spot welding[J]. Applied Physics, 2001, 34(18): 2894-2901.

[9] [9] T W Juhl, F O Olsen. Assessment of hot crack properties of laser welded stainless steel alloys[C]. SPIE, 2003, 4831: 224-229.

[10] [10] I Mys, M Geiger. Use of pre-pulse in laser spot welding of materials with high optical reflection[C]. SPIE, 2003, 5063: 314-318.

[11] [11] A Matsunawa, M Mizutani, S Katayama, et al.. Porosity formation mechanism and its prevention in laser welding[J]. Welding International, 2003, 17(6): 431-437.

[12] [12] Chen Yanbin. Laser Welding Technology[M]. Beijing: Science Press, 2005. 96-97.

[13] [13] Xiao Rongshi, Chen Kai, Zuo Tiechuan. Influence of wire addition direction in CO2 laser welding of aluminum[C]. SPIE, 2002.

[14] [14] A S Salminen, V P Kujanp. Effect of wire feed position on laser welding with filler wire[J]. 2003,15(1):2-10.

[15] [15] U Dilthey, D Fuest, W Scheller. Laser welding with filler wire[J]. Optical and Quantum Electronics, 1995, 27(12): 1181-1191.