[1] [1] HUANG L, YUAN J, Li C.Influence of titanium concentration on mechanical properties and wear resistance to TC4 of Ti-C：H on cemented carbide［J］.Vacuum, 2017(138)：1-7.

[2] [2] SUN L, LIN G, LIU J, et al.Effect of low temperature thermo-mechanical treatment on microstructures and mechanical properties of TC4 alloy［J］.Journal of Central South University, 2010, 17(3)：443-448.

[3] [3] O'BRIEN C M, HOLMES B, FAUCETT S, et al.Three-dimensional printing of nanomaterial scaffolds for complex tissue regeneration［J］.Tissue Eng Part B Rev, 2015, 21(1)：103-114.

[4] [4] ROCHUS P, PLESSERIA J Y, ELSEN M V, et al.New applications of rapid prototyping and rapid manufacturing (RP/RM) technologies for space instrumentation［J］.Acta Astronautica, 2007, 61(1)：352-359.

[5] [5] LI R, WANG M, YUAN T, et al.Selective laser melting of a novel Sc and Zr modified Al-6.2 Mg alloy： Processing, microstructure, and properties［J］.Powder Technology, 2017(39)：117-128.

[7] [7] ZHANG L, Attar, H.Selective Laser Melting of Titanium Alloys and Titanium Matrix Composites for Biomedical Applications：A Review［J］.Advanced Engineering Materials, 2016, 18(4)：463-475.

[8] [8] SAMAVEDAM S, SUNDARRAJAN S.Al-Si and Al-Si-Mg Cast Alloys Shrinkage Porosity Estimation［J］. Archives of Foundry Engineering, 2016, 16(1)：61-68.

[10] [10] YANG J, HAN J, YU H, et al.Role of molten pool mode on formability, microstructure and mechanical properties of selective laser melted Ti-6Al-4V alloy［J］.Materials & Design, 2016, 110：558-570.

[12] [12] SIMONELLI M, TSE Y Y, TUCK C.On the texture formation of selective laser melted Ti-6Al-4V［J］.Metallurgical & Materials Transactions A, 2014, 45(6)：2863-2872.

[14] [14] 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.