[1] [1] SRIVATSAN T S, SUDARSHAN T S. Additive manufacturing［M］.Boca Raton，Florida: CRC Press, 2015.

[2] [2] WANG X Q, GONG X B, CHOU K. Review on powder-bed laser additive manufacturing ofinconel 718 parts［J］.Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 2017, 231(11) : 1890-1903.

[3] [3] BRANDL E, HECKENBERGER U, HOLZINGER V, et al. Additive manufactured AlSi10Mg samples using Selective Laser Melting (SLM): microstructure, high cycle fatigue, and fracture behavior［J］. Materials & Design, 2012, 34: 159-169.

[4] [4] YADOLLAHI A, SHAMSAEI N. Additive manufacturing of fatigue resistant materials: challenges and opportunities［J］. International Journal of Fatigue, 2017, 98: 14-31.

[5] [5] ZHANG B C, LIAO H L, CODDET C. Effects of processing parameters on properties of selective laser melting Mg-9%Al powder mixture［J］. Materials & Design, 2012, 34: 753-758.

[6] [6] CHERRY J A, DAVIES H M, MEHMOOD S, et al. Investigation into the effect of process parameters on microstructural and physical properties of 316L stainless steel parts by selective laser melting［J］. The International Journal of Advanced Manufacturing Technology, 2015, 76(5-8): 869-879.

[7] [7] YADOLLAHI A, SHAMSAEI N, THOMPSON S M, et al. Effects of building orientation and heat treatment on fatigue behavior of selective laser melted 17-4 PH stainless steel［J］. International Journal of Fatigue, 2017, 94: 218-235.

[8] [8] LIU F C, LIN X, HUANG C P, et al. The effect of laser scanning path on microstructures and mechanical properties of laser solid formed nickel-base superalloy Inconel 718［J］. Journal of Alloys and Compounds, 2011, 509(13): 4505-4509.

[9] [9] CARTER L N, MARTIN C, WITHERS P J, et al. The influence of the laser scan strategy on grain structure and crackingbehaviour in SLM powder-bed fabricated nickel superalloy［J］. Journal of Alloys and Compounds, 2014, 615: 338-347.

[12] [12] PARRY L, ASHCROFT I A, WILDMAN R D. Understanding the effect of laser scan strategy on residual stress in selective laser melting through thermo-mechanical simulation［J］. Additive Manufacturing, 2016, 12: 1-15.

[14] [14] KUDZAL A, MCWILLIAMS B, HOFMEISTER C, et al. Effect of scan pattern on the microstructure and mechanical properties of powder bed fusion additive manufactured 17-4 stainless steel［J］. Materials & Design, 2017, 133: 205-215.

[18] [18] LIU T G, XIA S, ZHOU B X, et al. Three-dimensional geometrical and topological characteristics of grains in conventional and grain boundary engineered 316L stainless steel［J］. Micron, 2018, 109: 58-70.

[19] [19] ISHIMOTO T, HAGIHARA K, HISAMOTO K, et al. Crystallographic texture control of beta-type Ti-15Mo-5Zr-3Al alloy by selective laser melting for the development of novel implants with a biocompatible low Young's modulus［J］.Scripta Materialia, 2017, 132: 34-38.

[20] [20] WAN H Y, ZHOU Z J, LI C P, et al. Effect of scanning strategy on grain structure and crystallographic texture of Inconel 718 processed by selective laser melting［J］. Journal of Materials Science & Technology, 2018, 34(10): 1799-1804.

[21] [21] THIJS L, MONTERO SISTIAGA M L, WAUTHLE R, et al. Strong morphological and crystallographic texture and resulting yield strength anisotropy in selective laser melted tantalum［J］.Acta Materialia, 2013, 61(12): 4657-4668.

[22] [22] XIAO D M, YANG Y Q, SU X B, et al. Topology optimization of microstructure and selective laser melting fabrication for metallic biomaterial scaffolds［J］. Transactions of Nonferrous Metals Society of China, 2012, 22(10): 2554-2561.

[24] [24] YASA E, DECKERS J, KRUTH J P. The investigation of the influence of laser re-melting on density, surface quality and microstructure of selective laser melting parts［J］. Rapid Prototyping Journal, 2011, 17(5): 312-327.