[1] Shu Z F, Huang C P, Zhang Y Z et al. Process parameter optimization and microstructure and property investigation in laser cladding of Ti60 alloy[J]. Chinese Journal of Lasers, 51, 1202202(2024).

[2] Dietrich K, Diller J, Dubiez-Le Goff S et al. The influence of oxygen on the chemical composition and mechanical properties of Ti-6Al-4V during laser powder bed fusion (L-PBF)[J]. Additive Manufacturing, 32, 100980(2020).

[3] Feng E H, Chen R, Di S X et al. Effect of heat treatment on microstructure and mechanical properties of TC4 alloy by selective laser melting[J]. Chinese Journal of Lasers, 51, 1002321(2024).

[4] Zhu H M, Li Y Z, Zhang Z Y et al. Mechanical and corrosion properties of martensite/ferrite duplex stainless steel prepared via laser cladding[J]. Chinese Journal of Lasers, 45, 1202012(2018).

[5] Wei W H, Wu W J, Fan S Q et al. In-situ laser additive manufacturing of Ti6Al4V matrix composites by gas-liquid reaction in dilute nitrogen gas atmospheres[J]. Materials & Design, 202, 109578(2021).

[6] 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, 87, 309-320(2015).

[7] Qi S J, Xiong L, Chen M Y et al. TC4 titanium alloy track morphology and pore formation mechanism in laser powder bed fusion process[J]. Chinese Journal of Lasers, 50, 1202304(2023).

[8] Zhao X L, Li S J, Zhang M et al. Comparison of the microstructures and mechanical properties of Ti-6Al-4V fabricated by selective laser melting and electron beam melting[J]. Materials & Design, 95, 21-31(2016).

[9] He J J, Li D S, Jiang W G et al. The martensitic transformation and mechanical properties of Ti6Al4V prepared via selective laser melting[J]. Materials, 12, 321(2019).

[10] Zhou X, Xu D K, Geng S J et al. Mechanical properties, corrosion behavior and cytotoxicity of Ti-6Al-4V alloy fabricated by laser metal deposition[J]. Materials Characterization, 179, 111302(2021).

[11] Zhou B, Zhou J, Li H X et al. A study of the microstructures and mechanical properties of Ti6Al4V fabricated by SLM under vacuum[J]. Materials Science and Engineering: A, 724, 1-10(2018).

[12] Yang Y, Liu Y J, Chen J et al. Crystallographic features of α variants and β phase for Ti-6Al-4V alloy fabricated by selective laser melting[J]. Materials Science and Engineering: A, 707, 548-558(2017).

[13] Krakhmalev P, Fredriksson G, Yadroitsava I et al. Deformation behavior and microstructure of Ti6Al4V manufactured by SLM[J]. Physics Procedia, 83, 778-788(2016).

[14] Xu W, Brandt M, Sun S et al. Additive manufacturing of strong and ductile Ti-6Al-4V by selective laser melting via in situ martensite decomposition[J]. Acta Materialia, 85, 74-84(2015).

[15] Dinda G P, Song L, Mazumder J. Fabrication of Ti-6Al-4V scaffolds by direct metal deposition[J]. Metallurgical and Materials Transactions A, 39, 2914-2922(2008).

[16] Zhong C L, Liu J N, Backes G et al. 3D printing of large-scale components of titanium alloys under open atmosphere[J]. Materials Today Communications, 28, 102688(2021).

[17] Zhao W Y, Hu F Y, Yi D X. Experiment of shielding gas flow field on a three tunnels coaxial powder feeding nozzle[J]. China Surface Engineering, 25, 51-55(2012).

[18] Nalam Y, Hauser T, Peter Breese P et al. Gas flow study for development of a novel shielding gas nozzle for directed energy deposition processes using computational fluid dynamic simulations[J]. IOP Conference Series: Materials Science and Engineering, 1135, 012016(2021).

[19] Azarniya A, Colera X G, Mirzaali M J et al. Additive manufacturing of Ti-6Al-4V parts through laser metal deposition (LMD): process, microstructure, and mechanical properties[J]. Journal of Alloys and Compounds, 804, 163-191(2019).

[20] Raju R, Duraiselvam M, Petley V et al. Microstructural and mechanical characterization of Ti6Al4V refurbished parts obtained by laser metal deposition[J]. Materials Science and Engineering: A, 643, 64-71(2015).

[21] Feng X T, Lei J B, Gu H et al. Effect of scanning speeds on electrochemical corrosion resistance of laser cladding TC4 alloy[J]. Chinese Physics B, 28, 026802(2019).

[22] Song L J, Bagavath-Singh V, Dutta B et al. Control of melt pool temperature and deposition height during direct metal deposition process[J]. The International Journal of Advanced Manufacturing Technology, 58, 247-256(2012).

[23] Lisiecki A. Mechanisms of hardness increase for composite surface layers during laser gas nitriding of the Ti6Al4V alloy[J]. Materiali in Tehnologije, 51, 577-583(2017).

[24] Uhlmann E, Kersting R, Klein T B et al. Additive manufacturing of titanium alloy for aircraft components[J]. Procedia CIRP, 35, 55-60(2015).

[25] Hu J N, Jiang Y, Yang Y et al. Formation mechanism of ultrafine α+β structure in Ti-6Al-4V alloy during β→αm→α+β continuous phase transformation[J]. Scripta Materialia, 246, 116066(2024).

[26] Li P H, Guo W G, Huang W D et al. Thermomechanical response of 3D laser-deposited Ti-6Al-4V alloy over a wide range of strain rates and temperatures[J]. Materials Science and Engineering: A, 647, 34-42(2015).

[27] Oh J M, Lee B G, Cho S W et al. Oxygen effects on the mechanical properties and lattice strain of Ti and Ti-6Al-4V[J]. Metals and Materials International, 17, 733-736(2011).

[28] Issariyapat A, Visuttipitukul P, Umeda J et al. Refined grain formation behavior and strengthening mechanism of α-titanium with nitrogen fabricated by selective laser melting[J]. Additive Manufacturing, 36, 101537(2020).

[29] Qi C Q, Du Y, Yang P et al. Influence of heat treatment on microstructure and mechanical properties of TC4 fabricated by laser melting deposition[J]. Metals and Materials International, 28, 3068-3079(2022).

[30] Zhang D Y, Prasad A, Bermingham M J et al. Grain refinement of alloys in fusion-based additive manufacturing processes[J]. Metallurgical and Materials Transactions A, 51, 4341-4359(2020).

[31] Nurly H F, Zhang J H, Ren D C et al. Refinement of α’ martensite by oxygen in selective laser melted Ti-6Al-4V[J]. Acta Metallurgica Sinica (English Letters), 37, 777-792(2024).