[1] [1] L Lineberger. Titanium aerospace alloy[J]. Advanced Materials and Processes, 1998, 153(5): 45-46.

[2] [2] T Alloys, G Welsch, R Boyer, et al.. Material Properties Handbook: Titanium Alloys[M]. Ohio: ASM International, 1994. 483-636.

[3] [3] Qian Jiuhong. Application and development of new titanium alloys for aerospace[J]. Chinese Journal of Rare Metals, 2000, 24(3): 218-221.

[4] [4] Zhang Shuangyin, Lin Xin, Chen Jing, et al.. Influence of heat yreatment on the microstructure and properties of Ti-6Al-4V titanium alloy by laser rapid forming[J]. Rare Metal Materials and Engineering, 2007, 36(7): 1263-1266.

[5] [5] Huang Weidong, Lin Xin. Research progress in laser solid forming of high performance metallic component[J]. Materials China,2010, 29(6): 12-27.

[6] [6] Zhang Fengying, Tan Hua, Chen Jing, et al.. Mechanical properties of laser solid formed Ti-Al-V ternary system titanium alloys[J]. Chinese J Lasers, 2012, 39(6): 0603004.

[7] [7] Chen Bo, Shao Bing, Liu Dong, et al.. Effect of heat treatment on microstructure and mechanical properties of laser melting deposited TC17 titanium alloy[J]. Chinese J Lasers, 2014, 41(4): 0403001.

[8] [8] Zhao Weiwei, Lin Xin, Liu Fencheng, et al.. Effect of heat treatment on microstructure and mechanical properties of laser solid forming inconel 718 super alloy[J]. Chinese J Lasers, 2009, 36(12): 3220-3225.

[9] [9] Zhang Ying, Lin Xin, Yang Gaolin, et al.. Structural characteristics of laser solid forming Zr-based bulk metallic glass[J]. Chinese J Lasers, 2013, 40(3): 0303005.

[10] [10] E P Papadakis. Physical acoustics and microstructure of iron alloys[J]. International Metals Reviews, 1984, 29(1): 1-24.

[11] [11] E P Papadakis. Ultrasonic attenuation caused by scattering in polycrystalline media[J]. Physical Acoustics, 2012, 4(Part B): 269-328.

[12] [12] D N Collins, W Alcheikh. Ultrasonic non-destructive evaluation of the matrix structure and the graphite shape in cast iron[J]. Journal of Materials Processing Technology, 1995, 55(2): 85-90.

[13] [13] K Vijayalakshmi, V Muthupandi, R Jayachitra. Influence of heat treatment on the microstructure, ultrasonic attenuation and hardness of SAF 2205 duplex stainless steel[J]. Materials Science and Engineering A, 2011, 529: 447-451.

[14] [14] Zheng Hui. Ultrasonic Testing[M]. Beijing: China Labor and Social Security Press, 2008.

[15] [15] A Kumar, T Jayakumar, B Raj, et al.. Correlation between ultrasonic shear wave velocity and Poisson′s ratio for isotropic solid materials[J]. Acta Materialia, 2003, 51(8): 2417-2426.

[16] [16] A Vary. Correlations between ultrasonic and fracture toughness factors in metallic materials[C]. Proceedings of the 11th Symposium on Fracture Mechanics, 1978. 17.

[17] [17] D N Collins, W Alcheikh. Ultrasonic non-destructive evaluation of the matrix structure and the graphite shape in cast iron[J]. Journal of Materials Processing Technology, 1995, 55(2): 85-90.

[18] [18] A BadidiBouda, S Lebaili, A Benchaala. Grain size influence on ultrasonic velocities and attenuation[J]. NDT & E International, 2003, 36(1): 1-5.

[19] [19] Liu Li. Influence of Microstructures of Titanium Alloy on Ultrasound Parameters and Corrosion-Resistance[D]. Nanchang: Nanchang Aeronautical University, 2012.

[20] [20] Zhang Shuangyin. Research on the Heat Treated Microstructures and Properties of Laser Solid Forming Ti-6Al-4V Alloy[D]. Xi′an: Northwestern Polytechnical University, 2009.

[21] [21] Zhang Xiyan, Zhao Yongqing, Bai Chenguang. Titanium and Applications[M]. Beijing: Chemical Industry Press, 2005. 106-108.