[1] Vacchieri E, Costa A, Roncallo G et al. Service induced fcc→hcp martensitic transformation in a Co-based superalloy[J]. Materials Science and Technology, 33, 1100-1107(2017).

[2] Cartón-Cordero M, Campos M, Freund L P et al. Microstructure and compression strength of Co-based superalloys hardened by γ’ and carbide precipitation[J]. Materials Science and Engineering: A, 734, 437-444(2018).

[3] Yang Y Q, Chen J, Song C H et al. Current status and progress on technology of selective laser melting of metal parts[J]. Laser & Optoelectronics Progress, 55, 011401(2018).

[4] Guo M, Dai Y F, Huang B D. Application status and development of laser powder bed fusion technology in typical electromechanical aviation products[J]. Chinese Journal of Lasers, 50, 1602304(2023).

[5] Zhou R S, Wei K W, Liang J J et al. Basic process of new directional solidification nickel-based superalloy fabricated by laser powder bed fusion[J]. Chinese Journal of Lasers, 50, 2402304(2023).

[6] 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).

[7] Liang J Y, Zhang W Y, Liu W et al. Laser additive manufacturing and heat transfer performance measurement of lattice structure heat exchanger[J]. Chinese Journal of Lasers, 50, 0402014(2023).

[8] Ferreri N C, Ghorbanpour S, Bhowmik S et al. Effects of build orientation and heat treatment on the evolution of microstructure and mechanical properties of alloy Mar-M-509 fabricated via laser powder bed fusion[J]. International Journal of Plasticity, 121, 116-133(2019).

[9] Zhang W Q, Zhu H H, Hu Z H et al. Study on the selective laser melting of AlSi10Mg[J]. Acta Metallurgica Sinica, 53, 918-926(2017).

[10] Wang X D, Chen C Y, Zhao R X et al. Selective laser melting of carbon-free mar-M509 co-based superalloy: microstructure, micro-cracks, and mechanical anisotropy[J]. Acta Metallurgica Sinica (English Letters), 35, 501-516(2022).

[11] Zhang S Z, Lei Y P, Chen Z et al. Effect of laser energy density on the microstructure and texture evolution of hastelloy-X alloy fabricated by laser powder bed fusion[J]. Materials, 14, 4305-4317(2021).

[12] Yin J, Hao L, Yang L L et al. Investigation of interaction between vapor plume and spatter during selective laser melting additive manufacturing[J]. Chinese Journal of Lasers, 49, 1402213(2022).

[13] Zhang Y H, Chen H, Yang C et al. Influence of laser power on droplet transfer behavior and spatter in laser-MIG hybrid welding of aluminum alloy[J]. Laser & Optoelectronics Progress, 59, 1714005(2022).

[14] Zhong Q, Wei K W, Lu Z et al. High power laser powder bed fusion of Inconel 718 alloy: effect of laser focus shift on formability, microstructure and mechanical properties[J]. Journal of Materials Processing Technology, 311, 117824(2023).

[15] Guraya T, Singamneni S, Chen Z W. Microstructure formed during selective laser melting of IN738LC in keyhole mode[J]. Journal of Alloys and Compounds, 792, 151-160(2019).

[16] 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).

[17] Seidgazov R D, Mirzade F K. Keyhole-induced porosity in laser manufacturing processes: formation mechanism and dependence on scan speed[J]. Chinese Journal of Mechanical Engineering: Additive Manufacturing Frontiers, 1, 100044(2022).

[18] Liu J, Peng Q, Xie J X. Grain structure and metallurgical defects regulation of selective laser melted René 88DT superalloy[J]. Acta Metallurgica Sinica, 57, 191-204(2021).

[19] Yang X K. Influencing factors and restraining methods of crack formation in selection laser melting forming nickel-based superalloy IN738[D], 44-51(2020).

[20] Sun S S. Study on the Regulation of microcrack, microstructure and properties of GH3536 fabricated by selective laser melting[D], 51-67(2021).

[21] Qi T, Zhu H H, Zhang H et al. Selective laser melting of Al7050 powder: melting mode transition and comparison of the characteristics between the keyhole and conduction mode[J]. Materials & Design, 135, 257-266(2017).

[22] Deng D Y, Peng R L, Brodin H et al. Microstructure and mechanical properties of Inconel 718 produced by selective laser melting: sample orientation dependence and effects of post heat treatments[J]. Materials Science and Engineering: A, 713, 294-306(2018).

[23] Lee J S, Lee J H, Choi B G et al. The solidification microstructure and carbide formation behaviors in the cobalt-based superalloy ECY768[M]. Eco-materials processing & design VI, 374-377(2005).

[24] Ramirez-Vidaurri L E, Castro-Román M, Herrera-Trejo M et al. Secondary dendritic arm spacing and cooling rate relationship for an ASTM F75 alloy[J]. Journal of Materials Research and Technology, 19, 5049-5065(2022).

[25] Gui W M, Zhang H Y, Yang M et al. The investigation of carbides evolution in a cobalt-base superalloy at elevated temperature[J]. Journal of Alloys and Compounds, 695, 1271-1278(2017).

[26] Jiang W H, Guan H R, Hu Z Q. Effects of heat treatment on microstructures and mechanical properties of a directionally solidified cobalt-base superalloy[J]. Materials Science and Engineering: A, 271, 101-108(1999).

[27] Dong C, Liu Z D, Wang X T et al. Formation behavior of long needle-like M23C6 carbides in a nickel-based alloy without γ’ phase during long time aging[J]. Journal of Alloys and Compounds, 821, 153259(2020).

[28] Hou G C, Xie J, Yu J J et al. Room temperature tensile behaviour of K640S co-based superalloy[J]. Materials Science and Technology, 35, 530-535(2019).

[30] Zhang Q, Zhang H W, Jia X Y et al. Study on co-based superalloy K6509[J]. Journal of Materials Engineering, 37, 142-145(2009).

[31] Armstrong R W. Engineering science aspects of the Hall-Petch relation[J]. Acta Mechanica, 225, 1013-1028(2014).

[32] Dryepondt S, Nandwana P, Unocic K A et al. High temperature high strength austenitic steel fabricated by laser powder-bed fusion[J]. Acta Materialia, 231, 117876(2022).

[33] Queyreau S, Monnet G, Devincre B. Orowan strengthening and forest hardening superposition examined by dislocation dynamics simulations[J]. Acta Materialia, 58, 5586-5595(2010).

[34] Ferguson J B, Lopez H, Kongshaug D et al. Revised orowan strengthening: effective interparticle spacing and strain field considerations[J]. Metallurgical and Materials Transactions A, 43, 2110-2115(2012).

[35] Bacon D J, Kocks U F, Scattergood R O. The effect of dislocation self-interaction on the orowan stress[J]. Philosophical Magazine, 28, 1241-1263(1973).

[36] Kelly P M. The effect of particle shape on dispersion hardening[J]. Scripta Metallurgica, 6, 647-656(1972).

[37] Liu L F, Ding Q Q, Zhong Y et al. Dislocation network in additive manufactured steel breaks strength-ductility trade-off[J]. Materials Today, 21, 354-361(2018).