[1] Liu C T, Schneibel J H, Maziasz P J et al. Tensile properties and fracture toughness of TiAl alloys with controlled microstructures[J]. Intermetallics, 4, 429-440(1996).

[2] Karthikeyan S, Viswanathan G B, Gouma P I et al. Mechanisms and effect of microstructure on creep of TiAl-based alloys[J]. Materials Science and Engineering: A, 329/330/331, 621-630(2002).

[3] Yue H Y, Yao Y X, Yang J B et al. Effect of heat treatment on the microstructure and microhardness of TiAl alloy produced via selective electron beam melting[J]. Journal of Jiangsu University of Science and Technology (Natural Science Edition), 36, 22-26(2022).

[4] Yue H Y, Liang Z Q, Zhang F et al. Effect of heat treatment on the microstructure and creep properties of Ti-48Al-2Cr-2Nb alloy produced by selective electron beam melting[J]. Materials Science and Engineering: A, 859, 144224(2022).

[5] Appel F, Oehring M, Wagner R. Novel design concepts for gamma-base titanium aluminide alloys[J]. Intermetallics, 8, 1283-1312(2000).

[6] Wu X H. Review of alloy and process development of TiAl alloys[J]. Intermetallics, 14, 1114-1122(2006).

[7] Yang R. Advances and challenges of TiAl base alloys[J]. Acta Metallurgica Sinica, 51, 129-147(2015).

[8] Bewlay B P, Nag S, Suzuki A et al. TiAl alloys in commercial aircraft engines[J]. Materials at High Temperatures, 33, 549-559(2016).

[9] Xie Y, Teng Q, Shen M Y et al. Study on microstructure and properties of overlap region of GH3536 alloy processed by multi-laser powder bed fusion[J]. Chinese Journal of Lasers, 50, 0802004(2023).

[10] Zhang S S, Zhang B P, Zhang W Q et al. Densification behavior and microstructure and properties of high copper alloy formed by laser selective melting[J]. Chinese Journal of Lasers, 49, 1602005(2022).

[11] Yu Q, Wang C S, Dong C. Study on microstructure and properties of Ni-Cr-Al base alloy system made by laser additive[J]. Chinese Journal of Lasers, 49, 1402104(2022).

[12] Yue H Y, Peng H, Li R F et al. Effect of heat treatment on the microstructure and anisotropy of tensile properties of TiAl alloy produced via selective electron beam melting[J]. Materials Science and Engineering: A, 803, 140473(2021).

[13] Gao B, Peng H, Liang Y et al. Electron beam melted TiC/high Nb-TiAl nanocomposite: microstructure and mechanical property[J]. Materials Science and Engineering: A, 811, 141059(2021).

[14] Kan W, Chen B, Peng H et al. Formation of columnar lamellar colony grain structure in a high Nb-TiAl alloy by electron beam melting[J]. Journal of Alloys and Compounds, 809, 151673(2019).

[15] Yue H Y, Peng H, Li R F et al. Metastable phase and microstructural degradation of a TiAl alloy produced via selective electron beam melting[J]. Vacuum, 192, 110491(2021).

[16] Sharman A R C, Hughes J I, Ridgway K. Characterisation of titanium aluminide components manufactured by laser metal deposition[J]. Intermetallics, 93, 89-92(2018).

[17] Lee S, Kim J, Choe J et al. Understanding crack formation mechanisms of Ti-48Al-2Cr-2Nb single tracks during laser powder bed fusion[J]. Metals and Materials International, 27, 78-91(2021).

[18] Perevoshchikova N, Rigaud J, Sha Y et al. Optimisation of selective laser melting parameters for the Ni-based superalloy IN-738 LC using Doehlert’s design[J]. Rapid Prototyping Journal, 23, 881-892(2017).

[19] Srivastava D, Chang I T H, Loretto M H. The optimisation of processing parameters and characterisation of microstructure of direct laser fabricated TiAl alloy components[J]. Materials & Design, 21, 425-433(2000).

[20] Liu Z Y. Study on forming process, microstructure and properties of TiAl-based alloy deposited by laser melting[D], 6-7(2020).

[21] Liu Z Q, Wang W B, Ma R X et al. Microstructure and properties of gamma-TiAl alloy fabricated by laser melting deposition[J]. Rare Metal Materials and Engineering, 49, 1925-1930(2020).

[22] Liu W P, DuPont J N. Fabrication of carbide-particle-reinforced titanium aluminide-matrix composites by laser-engineered net shaping[J]. Metallurgical and Materials Transactions A, 35, 1133-1140(2004).

[23] Thomas M, Malot T, Aubry P et al. The prospects for additive manufacturing of bulk TiAl alloy[J]. Materials at High Temperatures, 33, 571-577(2016).

[24] Moghimian P, Poirié T, Habibnejad-Korayem M et al. Metal powders in additive manufacturing: a review on reusability and recyclability of common titanium, nickel and aluminum alloys[J]. Additive Manufacturing, 43, 102017(2021).

[25] Wang Y. Simulation study on morphology characteristics of laser deposited layer and molten pool of IN718 alloy by coaxial powder feeding[D](2020).

[26] Ye C. Morphology prediction and microstructure study of laser cladding layer based on VOF method[D](2020).

[27] Wang L, Zhang Y L, Hua X M et al. Fabrication of γ-TiAl intermetallic alloy using the twin-wire plasma arc additive manufacturing process: microstructure evolution and mechanical properties[J]. Materials Science and Engineering: A, 812, 141056(2021).

[28] Wang J W, Luo Q, Wang H M et al. Microstructure characteristics and failure mechanisms of Ti-48Al-2Nb-2Cr titanium aluminide intermetallic alloy fabricated by directed energy deposition technique[J]. Additive Manufacturing, 32, 101007(2020).

[29] Imayev R M, Salishchev G A, Shagiev M R et al. Low-temperature superplasticity of submicrocrystalline intermetallics[J]. Materials Science Forum, 304/305/306, 195-200(1999).

[30] Liu Z Q, Wang C Y, Wang W B et al. Effects of tantalum on the microstructure and properties of Ti-48Al-2Cr-2Nb alloy fabricated via laser additive manufacturing[J]. Materials Characterization, 179, 111317(2021).

[31] Guo Y F, Chen Y Y, Xiao S L et al. Influence of nano-Y2O3 addition on microstructure and tensile properties of high-Al TiAl alloys[J]. Materials Science and Engineering: A, 794, 139803(2020).

[32] Hu D, Godfrey A, Blenkinsop P A et al. Processing-property-microstructure relationships in TiAl-based alloys[J]. Metallurgical and Materials Transactions A, 29, 919-925(1998).

[33] Zhang X Y, Li C W, Zheng M Y et al. Anisotropic tensile behavior of Ti-47Al-2Cr-2Nb alloy fabricated by direct laser deposition[J]. Additive Manufacturing, 32, 101087(2020).

[34] Imayev V M, Salishchev G A, Shagiev M R et al. Low-temperature superplasticity of submicrocrystalline Ti-48Al-2Nb-2Cr alloy produced by multiple forging[J]. Scripta Materialia, 40, 183-190(1998).