[1] [1] Lu Zhenfeng, Li Zhengjia . Application of laser cladding in aviation industry［J］. Aviation Precision Manufacturing Technology, 2007, 43(1): 37～40

[2] [2] Wang Wei, Cai Lei, Yang Guang et al.. Research on the coaxial powder feeding nozzle for laser cladding［J］. Chinese J. Lasers, 2012, 39(4): 0403003

[3] [3] Jin Xiaoshu, Yang Xichen, Wang Yunshan et al.. Research on the coaxial powder feeder nozzle in 3D direct manufacturing and remanufacturing［J］. Applied Laser, 2008, 28(4): 266～270

[4] [4] Jehnming Lin. Numerical simulation of the focused powder streams in coaxial laser cladding ［J］. J. Mater. Process. Technol., 2000, 105(1-2): 17～23

[5] [5] Lu Qiaopan, Zhang Anfeng, Li Dichen et al.. Numerical simulation and experimental research on gas carrier coaxial powder nozzle［J］. Chinese J. Lasers, 2010, 37(12): 3162～3167

[6] [6] Heng Pan, Frank Liou. Numerical simulation of metallic powder flow in a coaxial nozzle for the laser aided deposition process ［J］. J. Mater. Process. Technol., 2005, 168(2): 230～244

[7] [7] Yang Guang, Liu Weijun, Wang Wei et al.. Research on process of titanium alloy laser rapid prototyping［J］. Manufacturing Technology & Machine Tool, 2010, (6): 50～53

[8] [8] Zhang Hongjun, Zhong Minlin, Liu Wenjin et al.. Development of high convergent coaxial feeding nozzle with temperature display for laser rapid manufacturing［J］. Applied Laser, 2004, 24(6): 380～382

[9] [9] Yi Dexian, Hu Fangyou, Zhao Weiyi et al.. Research on shielding gas impacting jet flow field on laser coaxial powder feeder nozzle［J］. Chinese J. Lasers, 2010, 37(8): 2098～2103

[10] [10] A. V. Gusarov, I. Smurov. Direct laser manufacturing with coaxial powder injection: modelling of structure of deposited layers ［J］. Appl. Surf. Sci., 2007, 253(19): 8316～8321

[11] [11] Wang Huaming, Zhang Shuquan, Wang Xiangming. Progress and challenges of laser direct manufacturing of large titanium structural components［J］. Chinese J. Lasers, 2009, 36(12): 3204～3209

[12] [12] S. Y. Wen, Y. C. Shin, J. Y. Murthy et al.. Modeling of coaxial powder flow for the laser direct deposition process［J］. International J. Heat and Mass Transfer, 2009, 52(25-26): 5867～5877

[13] [13] Shi Gaolian, Shi Shihong, Wu Shaohua et al.. Research on effective utilization rate of powder in inside-laser coaxial powder feeding laser cladding and rapid prototyping process［J］. Hot Working Technology, 2010, 39(7): 152～154

[14] [14] Zhang Xingquan, Wang Yunshan, Yang Xichen et al.. Three-dimensional laser beam coaxial powder feeding system for laser remanufacturing technology［J］. Chinese J. Lasers, 2007, 34(s1): 350～353

[15] [15] Nan Yang. Concentration model based on movement model of powder flow in coaxial laser cladding［J］. Opt. Laser Technol., 2009, 41(1): 94～98