[1] Zhong C L, Gasser A, Kittel J et al. Microstructures and tensile properties of Inconel 718 formed by high deposition-rate laser metal deposition[J]. Journal of Laser Applications, 28, 022010(2016).

[2] Huang W D, Lin X, Chen J et al[M]. Rapid free forming of high-performance dense metal parts by laser solid forming, 126-135(2007).

[3] Zhang J P, Shi S H, Jiang W W et al. Simulation analysis of temperature field and process optimization of laser cladding based on internal wire feeding of three beams[J]. Chinese Journal of Lasers, 46, 1002004(2019).

[4] Liu F C, Lü F Y, Ren H et al. δ phase precipitation of Inconel 718 Ni-based superalloy fabricated by laser solid forming[J]. Chinese Journal of Lasers, 45, 1202009(2018).

[5] Pou P, del Val J, Riveiro A et al. Laser texturing of stainless steel under different processing atmospheres: from superhydrophilic to superhydrophobic surfaces[J]. Applied Surface Science, 475, 896-905(2019).

[6] Dai D H, Gu D D. Effect of metal vaporization behavior on keyhole-mode surface morphology of selective laser melted composites using different protective atmospheres[J]. Applied Surface Science, 355, 310-319(2015).

[7] Anbarasan N, Jerome S, Arivazhagan N. Argon and argon-hydrogen shielding gas effects on the Laves phase formation and corrosion behavior of Inconel 718 gas tungsten arc welds[J]. Journal of Materials Processing Technology, 263, 374-384(2019).

[8] Wang D, Chi C T, Wang W Q et al. The effects of fabrication atmosphere condition on the microstructural and mechanical properties of laser direct manufactured stainless steel 17-4 PH[J]. Journal of Materials Science & Technology, 35, 1315-1322(2019).

[9] Li Z, Sui S, Yuan Z H et al. Microstructure and tensile properties of high-deposition-rate laser metal deposited GH4169 alloy[J]. Chinese Journal of Lasers, 46, 0102004(2019).

[10] Liu F C. Microstructures and strengthening mechanism of GH4169 superalloy fabricated by laser solid forming Xi'an:[D]. Northwestern Polytechnical University, 1-12(2011).

[11] Masmoudi A, Bolot R, Coddet C. Investigation of the laser-powder-atmosphere interaction zone during the selective laser melting process[J]. Journal of Materials Processing Technology, 225, 122-132(2015).

[12] Zhong C L, Chen J, Linnenbrink S et al. A comparative study of Inconel 718 formed by high deposition rate laser metal deposition with GA powder and PREP powder[J]. Materials & Design, 107, 386-392(2016).

[13] Wang H M, Zhang J H, Tang Y J et al. Rapidly solidified MC carbide morphologies of a laser-glazed single-crystal nickel-base superalloy[J]. Materials Science and Engineering A, 156, 109-116(1992).

[14] Radavich J F. The physical metallurgy of cast and wrought alloy 718. [C]∥Superalloy 718. [S.l.]: The Minerals, Metals & Materials Society, 229-240(1989).

[15] Ding R G, Huang Z W, Li H Y et al. Electron microscopy study of direct laser deposited IN718[J]. Materials Characterization, 106, 324-337(2015).

[16] Sui S, Chen J, Li Z et al. Investigation of dissolution behavior of Laves phase in inconel 718 fabricated by laser directed energy deposition[J]. Additive Manufacturing, 32, 101055(2020).

[17] Zhang Y C, Li Z G, Nie P L et al. Effect of heat treatment on niobium segregation of laser-cladded IN718 alloy coating[J]. Metallurgical and Materials Transactions A, 44, 708-716(2013).

[18] Sui S, Chen J, Ma L et al. Microstructures and stress rupture properties of pulse laser repaired Inconel 718 superalloy after different heat treatments[J]. Journal of Alloys and Compounds, 770, 125-135(2019).