[1] [1] Zhang Anfeng, Li Dichen, Lu Bingheng. Development of research on laser direct metal rapid prototyping technology［J］. Ordnance Material Science and Engineering, 2007, 30(5): 68～72

[2] [2] Lino Costa, Rui Vilar. Laser powder deposition［J］. Rapid Prototyping Journal, 2009, 15(4)： 264～279

[3] [3] Huang Weidong, Lin Xin, Chen Jing et al.. Laser Solid Forming［M］. Xi′an： Northwestern Polytechnical University Press, 2007. 1～20

[4] [4] Zhang Dongyun, Wang Ruize, Zhao Jianzhe et al.. Latest advance of laser direct manufacturing of metallic parts［J］. Chinese J. Lasers, 2010, 37(1): 18～25

[5] [5] Li Yanmin. Research on Technical Characters and Microstructure of Laser Solid Forming［D］. Xi′an： Northwestern Polytechnical University, 2001. 50～58

[6] [6] K. Zhang, W. J. Liu, X. F. Shang. Research on the processing experiments of laser metal deposition shaping［J］. Optics & Laser Technology, 2007, 39: 549～557

[7] [7] Xu Songhua, Xiao Yang, Li Jian. Organization property researches of the laser repair technology in the helicopter engine turbine oriented implement ［J］. Acta Optica Sinica, 2010, 30(8): 2311～2316

[8] [8] Zhang Weiguo, Liu Lin， Zhao Xinbao et al.. Progress in directionally solidified super alloys［J］. Foundry, 2009, 58(1): 1～6

[9] [9] Tao Chunhu, Zhang Weifang, Shi Huiji et al.. Recrystallization of Directionally Solidified Superalloy［M］. Beijing:National Defense Industry Press, 2007. 1～16

[10] [10] L. Xue, M. U. Islam, A. Theriault. Laser consolidation process for the manufacturing of structural components for advanced robotic mechatronic system——a state of art review［C］. Proceeding of the 6th International Symposium on Artificial Intelligence and Robotics & Automation in Space,Canadian Space Agency, St-Hubert, Quebec, Canada, 2001

[11] [11] Guijun Bi, Bert Schurmann, Andres Gasser et al.. Development and qualification of a novel laser-cladding head with integrated sensors［J］. International J. Machine Tools & Manufacture, 2007, 47(3-4): 555～561

[12] [12] J. M. Lin. Concentration mode of the powder stream in coaxial laser cladding［J］. Optics and Laser Technology, 1999, 31(3): 251～257

[13] [13] M. L. Griffith, D. M. Keicher, C. L. Atwood et al.. Free form fabrication of metallic components using laser engineered net shaping (LENSTM)［C］. Solid Freeform Fabrication Proceedings, 1996, 9: 125～131

[14] [14] Zhu Gangxian, Zhang Anfeng, Li Dichen et al.. Model of layer thickness of thin-walled parts in laser metal direct manufacturing[J]. Transcations of the China Welding Institution, 2010, 31(8): 57～60

[15] [15] G. J. Bi, A. Gasser, K. Wissenbach et al.. Investigation on the direct laser metallic powder deposition process via temperature measurement［J］. Appl. Surf. Sci., 2006, 253(3): 1411～1416

[16] [16] Pi Gang, Zhang Anfeng, Zhu Gangxian et al.. Self-regulation-effect in laser direct metal manufacturing［J］ . Journal of Xi′an Jiaotong University, 2010, 44(11): 77～81

[17] [17] Li Peng. Direct Laser Fabrication of 3-Dimentional Metal Parts Based on Laser Cladding ［D］. Wuhan：Huazhong University of Science &Technology, 2005. 48～63

[18] [18] Zhu Gangxian, Zhang Anfeng, Li Dichen. Effect of process parameters on surface smooth ness in laser cladding［J］. ChineseJ. Lasers, 2010, 37(1): 296～302

[19] [19] Zhang Qingmao, Liu Wenjin, Yang Sen et al.. Analysis model of dilution and related factor in process of powder feeding laser cladding［J］. J. Iron and Steel Research, 2002, 14(1): 11～15

[20] [20] W. Aiyiti, W. H. Zhao, B. H. Lu et al.. Investigation of the overlapping parameters of MPAW-based rapid prototyping［J］. Rapid Prototyping Journal, 2006, 12(3): 165～172