[1] Henderson M B, Arrell D, Larsson R et al. Nickel based superalloy welding practices for industrial gas turbine applications[J]. Science and Technology of Welding and Joining, 9, 13-21(2004).

[2] Sun W J, Wang S L, Tan G H et al. Effect of material states on microstructure and properties of GH4169 superalloy laser-welded joint[J]. Chinese Journal of Lasers, 47, 1002006(2020).

[3] Zheng Y L, He Y L, Chen X H et al. Elevated-temperature tensile properties and fracture behavior of GH3536 alloy formed via selective laser melting[J]. Chinese Journal of Lasers, 47, 0802008(2020).

[4] Ernst S C. Weldability of high-strength, low-expansion superalloys[J]. Welding Journal, 61, 418-430(1989).

[5] Kelly T J. Investigation of elemental effects on the weldability of cast nickel-based superalloys[J]. Advances in Welding Science and Technology, 623-628(1986).

[6] 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).

[7] DuPont J N, Robino C V, Marder A R. Solidification and weldability superalloys[J]. Welding Journal, 77, 417-431(1998).

[8] Liu T, Yan F, Liu S et al. Study of narrow gap laser-metal insert gas hybrid welding GH909 alloy[J]. Chinese Journal of Lasers, 42, 0903008(2015).

[9] Baeslack III W. A study of heat-affected zone and weld metal liquation cracking in alloy 903[J]. Welding Journal, 67, 77-87(1988).

[10] Yan F, Wang C M, Wang Y J et al. A study of the mechanism of laser welding defects in low thermal expansion superalloy GH909[J]. Materials Characterization, 78, 21-30(2013).

[11] Yan F, Liu S, Hu C J et al. Liquation cracking behavior and control in the heat affected zone of GH909 alloy during Nd∶YAG laser welding[J]. Journal of Materials Processing Technology, 244, 44-50(2017).

[12] Yan F, Hu C J, Zhang X et al. Influence of heat input on HAZ liquation cracking in laser welded GH909 alloy[J]. Optics & Laser Technology, 92, 44-51(2017).

[13] Michiuchi M, Kokawa H, Wang Z J et al. Twin-induced grain boundary engineering for 316 austenitic stainless steel[J]. Acta Materialia, 54, 5179-5184(2006).

[14] Zhu Z W, Ma X Q, Wang C M et al. Grain refinement and orientation alternation of 10 mm 316L welds prepared by magnetic field assisted narrow gap laser-MIG hybrid welding[J]. Materials Characterization, 164, 110311(2020).

[15] Kurz W, Fisher D J[M]. Fundamentals of solidification(1992).