[1] [1] W. M. Steen. Arc augmented laser processing of materials［J］. J. Appl. Phys., 1980, 51(11): 5636～5641

[2] [2] W. Robert, J. R. Messler. What′s next for hybrid welding［J］. Welding Journal, 2004, 83(3): 30～34

[3] [3] C. Bagger, F. O. Olsen. Review of laser hybrid welding ［J］. Journal of Laser Applications, 2005, 17(1): 2～14

[4] [4] T. Ishide, S. Tsubota, M. Watanabf et al.. Development of TIG-YAG and MIG-YAG hybrid welding［J］. Welding International, 2003, 17(10): 775～780

[5] [5] Ono Moriaki, Shinbo Yukio, Yoshitake Akihide et al.. Development of laser-arc hybrid welding［J］. NKK Technology Review, 2002, 86(1): 8～12

[6] [6] A. Mahrle, E. Beyer. Hybrid laser beam welding-classification, characteristics, and applications［J］. Journal of Laser Applications, 2006, 18(3): 169～180

[7] [7] B. Ribic, T. A. Palmer, T. DebRoy. Problems and issues in laser-arc hybrid welding［J］. International Materials Reviews, 2009, 54(4): 223～244

[8] [8] Xiao Rongshi, Wu Shikai. Progress on laser-arc hybrid welding［J］. Chinese J. Lasers, 2008, 35(11): 1680～1685

[9] [9] M. Kern, M. Beck, P. Berger. Process stabilizing potential of shielding gas mixtures［C］. SPIE, 1997, 3092: 526～529

[10] [10] Hong Lei, Wu Gang, Chen Wuzhu. Influence of shielding gas flow on welding quality for CO2 laser welding of aluminum alloy［J］. Chinese J. Lasers, 2005, 32(11): 1571～1576

[11] [11] Tang Xiahui, Zhu Haihong, Zhu Guofu. Study of plasma control in high-power CO2 laser welding［J］. Chinese J. Lasers, 1997, A24(2): 174～178

[12] [12] Bennett Bernard. Effects of shielding gas in pulsed MIG welding［J］. Joining & Materials, 1989, 2(6): 279～280

[13] [13] M. Suban, J. Tusek. Dependence of melting rate in MIG/MAG welding on the type of shielding gas used［J］. J. Mater. Process. Technol., 2001, 119(1\|3): 185～192

[14] [14] J. Tusek, M. Suban. Experimental research of the effect of hydrogen in argon as a shielding gas in arc welding of high-alloy stainless steel［J］. Int. J. Hydrogen Energy, 2000, 25(4): 369～376

[15] [15] T. Jokinen, M. Karhu, V. Kujanpaa. Welding of thick austenitic stainless steel using Nd∶yttrium-aluminum-garnet laser with filler wire and hybrid process［J］. J. Laser Applications, 2003, 15(4): 220～224

[16] [16] K. Ono, K. Adachi, I. Miyamot et al.. Influence of oxide film on weld characteristics of mild steel in CO2 laser welding［J］. J. Laser Applications, 2002, 14(2): 73～77

[17] [17] Tsukamoto Susumu, Kawaguchi Isao, Arakane Goro et al.. Suppression of porosity using pulse modulation of laser power［C］. Proceedings of ICALEO 2001, 2001. 1702

[18] [18] Jiang Huanzhong. Arc Welding and Electroslag Welding［M］. Beijing: China Machine Press, 1994. 183～186

[19] [19] S. P. Lu, H. Fujii, K. Nogi. Sensitivity of marangoni convection and weld shape variations to elding parameters in O2-Ar shielded GTA welding［J］. Scripta Materials, 2004, 51(3): 271～277

[20] [20] S. P. Lu, H. Fujii, K. Nogi. Marangoni convection and weld shape variations in Ar-O2 and Ar-CO2 shielded GTA welding［J］. Mater. Sci. Engng. A, 2004, 380(1): 290～297

[21] [21] S. P. Lu, H. Fujii, K. Nogi et al.. Effect of oxygen content in He-O2 shielding gas on weld shape in ultra deep penetration TIG［J］. Science and Technology of Welidng and Joining, 2007, 12(8): 689～695

[22] [22] G. Campana, A. Ascari, A. Fortunato et al.. Hybrid laser-MIG welding of aluminum alloys: The influence of shielding gas［J］. Appl. Surf. Sci., 2009, 255(10): 5588～5590

[23] [23] A. Fellman, P. Jernstrom, V. Kujanpaa. CO2-GMA hybrid welding of carbon steel-the effect of shielding gas composition［C］. Proceedings of ICALEO 2003, 2003. 56～65

[24] [24] G. Tani, G. Campana, A. Fortunato et al.. The influence of shielding gas in hybrid laser-MIG welding［J］. Appl. Surf. Sci., 2007, 253(19): 8050～8053

[25] [25] S. Fujinaga, R. Ohashi, S. Katayama. Improvements of welding characteristics of aluminum alloys with YAG laser and TIG arc hybrid system ［C］. SPIE, 2003, 4831: 301～306

[26] [26] Natio Yasuaki, Mizutani Masami, Katayama Seiji. Effect of oxygen in ambient atmosphere on penetration characteristics in single yttrium-aluminum-garnet laser and hybrid welding［J］. J. Laser Applications, 2006, 18(1): 21～27

[27] [27] C. Bagger, F. O. Olsen. Comparison of plasma, metal inactive gas (MIG) and tungsten inactive gas (TIG) processes for laser hybrid welding ［C］. Proceedings of ICALEO 2003, 2003. 11～20

[28] [28] Chen Yanbin, Lei Zhenglong, Li Liqun. Study of welding characteristics in CO2 laser-TIG hybrid welding process［C］. Proceedings of ICALEO 2003, 2003. 41～47

[29] [29] R. S. Xiao, C. Ambrosy, T. C. Zuo et al.. New approach to improve the laser welding process of aluminum by using an external electrical current［J］. J. Mater. Sci. Lett., 2001, 20(23): 2163～2165

[30] [30] Gao Ming, Zeng Xiaoyan, Hu Qianwu et al.. Effects of shielding gas in CO2 laser-MAG hybrid welding［J］. Transactions of the China Welding Institution, 2007, 28(2): 85～88

[31] [31] Fellman A. Kujanpaa. The effect of shielding gas composition on welding performance and weld properties in hybrid CO2 laser-gas metal arc welding of carbon manganese steel［J］. J. Laser Applications, 2006, 18(1): 12～20

[32] [32] C. Bagger, L. C. Sondrup, F. O. Olsen. Laser/TIG hybrid welding of pot for induction heater［C］. Proceedings of ICALEO 2004, 2004. 60～69

[33] [33] Gao Ming, Zeng Xiaoyan, Hu Qianwu et al.. Shielding gas method of CO2 laser-TIG hybrid welding［J］. Chinese J. Lasers, 2006, 33(10): 1422～1427

[34] [34] Gao Ming. Study on Technology, Mechanism and Quality Controlling of CO2 Laser-Arc Hybrid Welding［D］. Wuhan: Huazhong University of Science and Technology, 2007. 57～58