[1] [1] Huang Weidong, Lin Xin, Chen Jing et al.. Laser Solid Forming Technology [M]. Xi′an: Northwestern Polytechnical University Press, 2007. 1～20

[2] [2] B. Vamsi Krishna, Amit Bandyopadhyay. Surface modification of AISI 410 stainless steel using laser engineered net shaping (LENSTM) [J]. Materials & Design, 2009, 30(5): 1490～1496

[3] [3] Robert Dicks, Fude Wang, Xinhua Wu. The manufacture of a niobium/niobium-silicide-based alloy using direct laser fabrication [J]. J. Mater. Process. Technol., 2009, 209(4): 1752～1757

[4] [4] Li Peng, Ji Shengqin, Zeng Xiaoyan et al.. Direct laser fabrication of thin-walled metal parts under open-loop control [J]. Int. J. Mach. Tool. Manu., 2007, 47(6): 996～1002

[5] [5] Chen Jing, Zhang Fengying, Tan Hua et al.. Alloying mechanics in moving melt pool during laser solid forming from blended elemental powders [J]. Chinese J. Lasers, 2010, 37(8): 2154～2159

[6] [6] R. Banerjee, P. C. Collins, D. Bhattacharyya et al.. Microstructural evolution in laser deposited compositionally graded α/β titanium-vanadium alloys [J]. Acta Materialia, 2003, 51(11): 3277～3292

[7] [7] Ehsan Toyserkani, Amir Khajepour, Steve Corbin. 3-D finite element modeling of laser cladding by powder injection: effects of laser pulse shaping on the process [J]. Opt. Lasers Engng., 2004, 41(6): 849～867

[8] [8] Jichang Liu, Lijun Li. Study on cross-section clad profile in coaxial single-pass cladding with a low-power laser [J]. Opt. Laser Technol., 2005, 37(6): 478～482

[9] [9] A. J. Pinkerton, L. Li. The development of temperature fields and powder flow during laser direct metal deposition wall growth [J]. Proceedings of the Institution of Mechanical Engineers C, 2004, 218(4): 531～541

[10] [10] O. O. Diniz Netoa, A. M. Alcalde, R. Vilar. Interaction of a focused laser beam and a coaxial powder jet in laser surface processing [J] J. Laser Appl., 2007, 19(2): 84～88

[11] [11] Y. Huang, J. Liu, N. Ma. Three-dimensional analytical model on laser-powder interaction during laser cladding [J]. J. Laser Appl., 2006, 18(1): 42～46

[12] [12] M. Alimardani, E. Toyserkani, J. P. Huissoon. A 3D dynamic numerical approach for temperature and thermal stress distributions in multilayer laser solid freeform fabrication process [J]. Opt. Lasers Engng., 2007, 45(12): 1115～1130

[13] [13] J. Lin. Numerical simulation of the focused powder streams in coaxial laser cladding [J]. J. Mater. Process. Technol., 2000, 105(1-2): 17～23

[14] [14] H. Pan, T. Sparks, Y. D. Thakar et al.. The investigation of gravity-driven metal powder flow in coaxial nozzle for laser-aided direct metal deposition process [J]. J. Manuf. Sci. Engnol., 2006, 128(2): 541～553

[15] [15] Wu Jianghang, Han Qingshu. Computational Fluid Dynamics: Theory, Method and Application [M]. Beijing: Science Press, 1988. 16～20

[16] [16] A. Haider, O. Levenspiel. Drag coefficient and terminal velocity of spherical and nonspherical particles [J]. Powder Technology, 1989, 58(1): 63～70

[17] [17] Wang Aiqin, Zhang Chengzhi, Zhang Ningsheng. The theoretic analysis of the influence of the particle size distribution of cement system on the property of cement [J]. Cement and Concrete Research, 1999, 29(11): 1721～1726