[1] He W, Shi W, Li J et al. In-situ monitoring and deformation characterization by optical techniques; part I: laser-aided direct metal deposition for additive manufacturing[J]. Optics and Lasers in Engineering, 122, 74-88(2019).

[2] Shan Q B, Liu C, Yao J et al. Effects of scanning strategy on the microstructure, properties, and residual stress of TC4 titanium alloy prepared by laser melting deposition[J]. Laser & Optoelectronics Progress, 58, 1114002(2021).

[3] Galarraga H, Lados D A, Dehoff R R et al. Effects of the microstructure and porosity on properties of Ti-6Al-4V ELI alloy fabricated by electron beam melting (EBM)[J]. Additive Manufacturing, 10, 47-57(2016).

[4] Siddique S, Imran M, Wycisk E et al. Influence of process-induced microstructure and imperfections on mechanical properties of AlSi12 processed by selective laser melting[J]. Journal of Materials Processing Technology, 221, 205-213(2015).

[5] Tang M, Pistorius P C. Oxides, porosity and fatigue performance of AlSi10Mg parts produced by selective laser melting[J]. International Journal of Fatigue, 94, 192-201(2017).

[6] LeBrun T, Nakamoto T, Horikawa K et al. Effect of retained austenite on subsequent thermal processing and resultant mechanical properties of selective laser melted 17-4 PH stainless steel[J]. Materials & Design, 81, 44-53(2015).

[7] Rafi H K, Pal D, Patil N et al. Microstructure and mechanical behavior of 17-4 precipitation hardenable steel processed by selective laser melting[J]. Journal of Materials Engineering and Performance, 23, 4421-4428(2014).

[8] Zhou Y, Zeng X, Yang Z et al. Effect of crystallographic textures on thermal anisotropy of selective laser melted Cu-2.4Ni-0.7Si alloy[J]. Journal of Alloys and Compounds, 743, 258-261(2018).

[9] Sabelle M, Walczak M, Ramos-Grez J. Scanning pattern angle effect on the resulting properties of selective laser sintered monolayers of Cu-Sn-Ni powder[J]. Optics and Lasers in Engineering, 100, 1-8(2018).

[10] Sun Z J, Tan X P, Tor S B et al. Simultaneously enhanced strength and ductility for 3D-printed stainless steel 316L by selective laser melting[J]. NPG Asia Materials, 10, 127-136(2018).

[11] Ji L, Lu J P, Liu C M et al. Microstructure and mechanical properties of 304L steel fabricated by arc additive manufacturing[J]. MATEC Web of Conferences, 128, 03006(2017).

[12] Yu C F, Zhao C C, Zhang Z F et al. Tensile properties of selective laser melted 316L stainless steel[J]. Acta Metallurgica Sinica, 56, 683-692(2020).

[13] Gu D D, Zhang H M, Chen H Y et al. Laser additive manufacturing of high-performance metallic aerospace components[J]. Chinese Journal of Lasers, 47, 0500002(2020).

[14] Jiang H Z, Li Z Y, Feng T et al. Effect of process parameters on defects, melt pool shape, microstructure, and tensile behavior of 316L stainless steel produced by selective laser melting[J]. Acta Metallurgica Sinica (English Letters), 34, 495-510(2021).

[15] Wang D, Song C, Yang Y et al. Investigation of crystal growth mechanism during selective laser melting and mechanical property characterization of 316L stainless steel parts[J]. Materials & Design, 100, 291-299(2016).

[16] Liu J W, Song Y, Chen C et al. Effect of scanning speed on the microstructure and mechanical behavior of 316L stainless steel fabricated by selective laser melting[J]. Materials & Design, 186, 108355(2020).

[17] Xie M X, Xin Q K, Li Y X et al. Effect of preheating on mechanical properties of 316L stainless steel fabricated by selective laser melting[J]. Chinese Journal of Lasers, 49, 0802016(2022).

[18] Zhang C C, Zhu H, Hu Z et al. A comparative study on single-laser and multi-laser selective laser melting AlSi10Mg: defects, microstructure and mechanical properties[J]. Materials Science and Engineering: A, 746, 416-423(2019).

[19] Li F Z, Wang Z, Zeng X. Microstructures and mechanical properties of Ti6Al4V alloy fabricated by multi-laser beam selective laser melting[J]. Materials Letters, 199, 79-83(2017).

[20] Masoomi M, Thompson S M, Shamsaei N. Quality part production via multi-laser additive manufacturing[J]. Manufacturing Letters, 13, 15-20(2017).

[21] Zong X W, Gao Q, Zhou H Z et al. Effects of bulk laser energy density on anisotropy of selective laser sintered 316L stainless steel[J]. Chinese Journal of Lasers, 46, 0502003(2019).

[22] Jadhav S D, Dadbakhsh S, Goossens L et al. Influence of selective laser melting process parameters on texture evolution in pure copper[J]. Journal of Materials Processing Technology, 270, 47-58(2019).

[23] Zou S, Xiao H, Ye F et al. Numerical analysis of the effect of the scan strategy on the residual stress in the multi-laser selective laser melting[J]. Results in Physics, 16, 103005(2020).

[24] Cheng B, Shrestha S, Chou K. Stress and deformation evaluations of scanning strategy effect in selective laser melting[J]. Additive Manufacturing, 12, 240-251(2016).

[25] Fabbro R, Hamadou M, Coste F. Metallic vapor ejection effect on melt pool dynamics in deep penetration laser welding[J]. Journal of Laser Applications, 16, 16-19(2004).

[26] Fabbro R, Slimani S, Doudet I et al. Experimental study of the dynamical coupling between the induced vapour plume and the melt pool for Nd-YAG CW laser welding[J]. Journal of Physics D: Applied Physics, 39, 394-400(2006).

[27] Qiu C L, Panwisawas C, Ward M et al. On the role of melt flow into the surface structure and porosity development during selective laser melting[J]. Acta Materialia, 96, 72-79(2015).

[28] Andani M T, Dehghani R, Karamooz-Ravari M R et al. Spatter formation in selective laser melting process using multi-laser technology[J]. Materials & Design, 131, 460-469(2017).

[29] Wang D, Wu S, Fu F et al. Mechanisms and characteristics of spatter generation in SLM processing and its effect on the properties[J]. Materials & Design, 117, 121-130(2017).

[30] Fan S Y, Mao J Z, Xie S W et al. Effect of pulsed/continuous double beam hybrid laser cladding on the microstructure of 316L stainless steel[J]. Chinese Journal of Lasers, 50, 0402008(2023).

[31] Dai D H, Gu D. Tailoring surface quality through mass and momentum transfer modeling using a volume of fluid method in selective laser melting of TiC/AlSi10Mg powder[J]. International Journal of Machine Tools and Manufacture, 88, 95-107(2015).

[32] Xu K C, Wang K, Xu R X et al. Study on process parameters of selective laser melting 316L stainless steel[J]. Aeroengine, 48, 110-115(2022).

[33] Liu C, Ma X C, Ma H B. Effect of process parameters on density of 316L stainless steel by SLM and defects manifestation methods[J]. Hot Working Technology, 50, 44-49(2021).

[34] Bertoli U S, Wolfer A J, Matthews M J et al. On the limitations of volumetric energy density as a design parameter for selective laser melting[J]. Materials & Design, 113, 331-340(2017).

[35] Kamath C, El-Dasher B, Gallegos G F et al. Density of additively-manufactured, 316L SS parts using laser powder-bed fusion at powers up to 400 W[J]. The International Journal of Advanced Manufacturing Technology, 74, 65-78(2014).

[36] de Terris T, Andreau O, Peyre P et al. Optimization and comparison of porosity rate measurement methods of selective laser melted metallic parts[J]. Additive Manufacturing, 28, 802-813(2019).

[37] Gong H J, Rafi K, Gu H et al. Analysis of defect generation in Ti-6Al-4V parts made using powder bed fusion additive manufacturing processes[J]. Additive Manufacturing, 1/2/3/4, 87-98(2014).

[38] Sahm P R, Jones H, Adam C M[M]. Science and technology of the undercooled melt: rapid solidification materials and technologies(1986).

[39] Wang Y M, Kamath C, Voisin T et al. A processing diagram for high-density Ti-6Al-4V by selective laser melting[J]. Rapid Prototyping Journal, 24, 1469-1478(2018).

[40] Zhong Y, Liu L, Wikman S et al. Intragranular cellular segregation network structure strengthening 316L stainless steel prepared by selective laser melting[J]. Journal of Nuclear Materials, 470, 170-178(2016).