[3] [3] MAHAMOOD R, AKINLABI E, SHUKLA M, et al. Effect of laser power on material efficiency, layer height and width of laser metal deposited Ti6Al4V［J］. Lecture Notes in Engineering & Computer Science, 2012, 2201(1).

[4] [4] AKINLABI E T, MAHAMOOD R M, SHUKLA M, et al. Effect of scanning speed on material efficiency of laser metal deposited Ti6Al4V［J］. World Academy of Science and Technology, 2012, 6(11):2509-2513.

[8] [8] PICASSO M, MARSDEN C F, WAGNIERE J D, et al. A simple but realistic model for laser cladding［J］. Metallurgical and Materials Transactions B, 1994, 25(2): 281-291.

[11] [11] SURYAKUMAR S, KARUNAKARAN K P, BERNARD A, et al. Weld bead modeling and process optimization in Hybrid Layered Manufacturing［J］. Computer-Aided Design, 2011, 43(4): 331-344.

[12] [12] CAO Y, ZHU S, LIANG X B, et al. Overlapping model of beads and curve fitting of bead section for rapid manufacturing by robotic MAG welding process［J］. Robotics and Computer-Integrated Manufacturing, 2011, 27(3): 641-645.

[14] [14] KELLY S M, KAMPE S L. Microstructural evolution in laser-deposited multilayer Ti-6Al-4V builds: part Ⅰ. microstructural characterization［J］. Metallurgical and Materials Transactions A, 2004, 35(6): 1861-1867.

[17] [17] BAUFELD B, BRANDL E, VAN DER BIEST O. Wire based additive layer manufacturing: comparison of microstructure and mechanical properties of Ti-6Al-4V components fabricated by laser-beam deposition and shaped metal deposition［J］. Journal of Materials Processing Technology, 2011, 211(6): 1146-1158.

[18] [18] CARROLL B E, PALMER T A, BEESE A M. Anisotropic tensile behavior of Ti-6Al-4V components fabricated with directed energy deposition additive manufacturing［J］. Acta Materialia, 2015, 87: 309-320.