[1] [1] Liu Qibin. Laser Processing Technology and Its Applications[M]. Beijing: Metallurgical Industry Press, 2007

[2] [2] Chen Yanbin. Modern Laser Welding Technology[M]. Beijing: Science Press, 2005

[3] [3] Li Yajiang, Wang Juan, Liu Peng. Low Alloy Steel Welding and Engineering Applications[M]. Beijing: Chemical Industry Press, 2003

[4] [4] Edition group of photographical spectrum for structural steel used commomly. Photographical Spectrum for Structural Steel Used Commomly[M]. Beijing: National Defense Industry Press, 1982

[5] [5] Wu Dongjiang, Yin Bo, Zhang Weizhe et al.. Nd∶YAG laser beam welding invar36 alloy[J]. Chinese J. Laser, 2008, 35(11):1773～1777

[6] [6] Zhang Wenyue. Welding Metallurgy (Basic Principles)[M]. Beijing: China Machine Press, 2003

[7] [7] Zhang Li, Zhang Yufeng, Huo Lixing et al.. Effect on microstructure and properties of welded joints 30CrMnSiNi2A steel after heat treatment[J]. Welding Journal, 2002, 23(1): 73～75

[8] [8] Lei Huadong,Huang Wenrong,Guo Peng et al.. Study on metallographic structure and property of welded joint for laser beam welding of the quenched and tempered 30CrMnSiA[J]. Applied Laser, 2003, 23(6): 322～326

[9] [9] Wu Qiang, Chen Genyu, Wang Gui et al.. CO2 laser welding of zinc coated high strength steel[J]. Chinese J. Lasers, 2006, 33(8): 1133～1138

[10] [10] Li Yaling,Huang Jian,Gao Zhiguo et al.. Structure and properties of high power laser welding of high strength steel B450LAD for vehicles[J].Chinese J. Lasers, 2008, 35(12):2047～2051

[11] [11] You Min, Zheng Xiaoling, Wang Fude et al.. Residual stress measurement and analysis of CO2 laser welding[J]. Welding Technology, 2002, 31(3):17～18