[1] [1] Li Baohui, Kong Fantao, Chen Yuyong et al.. Alloying design of titanium aluminum intermetallics and research progress ［J］. J. Aeronautical Metarials, 2006, 26(2): 72～78

[2] [2] L. M. Hsiung, T. G. Nieh. Microstructure and properties of powder metallurgy TiAl alloys ［J］. Mater. Sci. Eng. A, 2004, 364(1-2): 1～10

[3] [3] Lu Xin, Zhao Liming, Qu Xuanhui. Advances in powder metallurgy of TiAl intermetallics ［J］. Materials Review, 2006, 20(8): 69～71, 79

[4] [4] M. T. Jovanovic, B. Dimcic, I. Bobic. Microstructure and mechanical properties of precision cast TiAl turbocharger wheel ［J］. J. Mater. Proc. Technol., 2005, 167(1): 14～21

[5] [5] Fu Hengzhi, Ding Hongsheng, Chen Ruirun et al.. Directional solidification technology based on electromagnetic cold crucible to prepare TiAl intermetallics ［J］. Rare Metal Materials and Engineering, 2008, 37(4): 565～570

[6] [6] D. Srivastava, I. T. H. Chang, M. H. Loretto. The effect of process parameters and heat treatment on the microstructure of direct laser fabricated TiAl alloy samples ［J］. Intermetallics, 2001, 9(12): 1003～1013

[7] [7] X. D. Zhang, C. Brice, D. W. Mahaffey et al.. Characterization of laser-deposited TiAl alloys ［J］. Scripta Materialia, 2001, 44(10): 2419～2424

[8] [8] W. P. Liu, J. N. DuPont. Fabrication of carbide-particle-reinforced titanium aluminide-matrix composites by laser-engineered net shaping ［J］. Metallurgical and Materials Transactions A, 2004, 35(3): 1133～1140

[9] [9] H. P. Qu, H. M. Wang. Microstructure and mechanical properties of laser melting deposited γ-TiAl intermetallic alloys ［J］. Mater. Sci. Eng. A, 2007, 466(1-2): 187～194

[10] [10] Lijue Xue. Direct manufacturing of net-shape functional components by laser consolidation process ［J］. Chinese J. Lasers, 2009, 36(12): 3179～3191

[11] [11] Wang Huaming, Zhang Shuquan, Wang Xiangming. Progress and challenges of laser direct manufacturing of large titanium structural components ［J］. Chinese J. Lasers, 2009, 36(12): 3204～3209

[12] [12] Shi Likai, Gao Shiyou, Xi Mingzhe et al.. Finite element simulation for laser direct depositing processes of metallic vertical thin wall parts: II. the simulation for thermal stress field during depositing processes ［J］. Acta Metallurgica Sinica, 2006, 42(5): 454～458

[13] [13] Zhang Yongzhong, Huang Can, Wu Fuyao et al.. Microstructure and properties of laser direct deposited TA12 titanium alloy ［J］. Chinese J. Lasers, 2009, 36(12): 3215～3219

[14] [14] B. London, D. E. Larsen Jr, D. A. Wheeler et al.. Investment cast gamma titanium aluminide alloys: processing, properties and promise [C]. Structural Intermetallics, Champion, 1993. 151～157