[1] [1] LIU JIAJIA, ZHANG YANLING, HAN XIUQUAN, et al.Research on microstructures and superplastic properties of ti6al4v alloy laser welded joint［J］.Hot Working Technology, 2013, 42(21): 46-51.

[2] [2] ZHANG SHENG, GUI RUIZHI, WEI QINGSONG, et al.Cracking Behavior and Formation Mechanism of TC4 Alloy Formed by Selective Laser Melting［J］.Journal of Mechanical Engineering, 2013, 49(23): 21-27.

[3] [3] ZOU WUZHUANG, GUO XIAOGUANG, XIE XIANGYUN, et al.Titanium Handbook［M］.Beijing: Chemical Industry Press, 2012: 354.

[4] [4] BALASUBRAMANIAN M, JAYABALAN V, BALASUBRAMANIAN V.A mathematical model to predict impact toughness of pulsed-current gas tungsten arc-welded titanium alloy［J］.International Journal of Advanced Manufacturing Technology, 2008, 35(9): 852-858.

[5] [5] ZHOU BINGKUN, GAO YIZHI.The Principle of Laser［M］.Beijing: National Defense Industry Press, 2000: 3-10.

[6] [6] LV BAIDA.Laser Optics［M］.Beijing: High Education Press, 2003: 127-135.

[7] [7] ZOU SHIKUN, TANG YU, GONG SHUILI.Study on Technology of Laser Welding Titanium Alloy Sheets［J］.Welding Technology, 2003, 32(5): 16-18.

[8] [8] GAO X L, ZHANG L J, LIU J, et al.Effects of weld cross-section profiles and microstructure on properties of pulsed Nd: YAG laser welding of Ti6Al4V sheet［J］.International Journal of Advanced Manufacturing Technology, 2014, 72(5-8): 895-903.

[9] [9] YANG CHANGCHUN, XU YANLI, TONG SHUANG, et al.Process Research on Fiber Laser Welding of TC4 Titanium Alloy［J］.Applied Laser, 2016, 36(5): 543-546.

[10] [10] LIANG CHUNLEI, LI XIAOYAN, GONG SHUILI, et al.Study on fatigue property of laser welded joints of tc4 titanium alloy sheet［J］.Journal of Materials Engineering, 2006(4): 48-51.