[1] [1] SCHIJVE J. Fatigue of structures and materials［M］. Dordrecht: Springer Netherlands, 2009.

[6] [6] XU L F. Laser ultrasonic technique and its applications in non-destructive testing［J］. Lser & Infrared, 2002, 32(4): 224-227.

[7] [7] MANZO A J, KENDERIAN S, HELVAJIAN H. Application of laser ultrasonic non-destructive evaluation technique to additive manufacturing［C］//SPIE LASE. Proc SPIE 9738, Laser 3D Manufacturing III, San Francisco, California, USA: SPIE. 2016, 9738: 144-150.

[10] [10] SILK M G, LIDINGTON B H. The potential of scattered or diffracted ultrasound in the determination of crack depth［J］. Non-Destructive Testing, 1975, 8(3): 146-151.

[11] [11] KROMINE A K, KRISHNASWAMY S, ACHENBACH J D, et al. Laser ultrasonic detection of surface breaking discontinuities: Scanning laser source technique［J］. Materials Evaluation, 2000, 58(2): 173-177.

[13] [13] IMRAN I, NAZARIAN S, PICORNELL M. Crack detection using time-domain wave propagation technique［J］. Journal of Geotechnical Engineering, 1995, 121(2): 198-207.

[14] [14] BOONSANG S, DEWHURST R J. Enhancement of laser-ultrasound/electromagnetic-acoustic transducer signals from Rayleigh wave interaction at surface features［J］. Applied Physics Letters, 2003, 82(19): 3348-3350.

[15] [15] EDWARDS R S, DIXON S, JIAN X. Depth gauging of defects using low frequency wideband Rayleigh waves［J］. Ultrasonics, 2006, 44(1): 93-98.

[16] [16] VIKTOROV I A. Rayleigh and Lamb waves: Physical theory and applications［M］. ［S.l.］: Plenum Press, 1967.

[17] [17] VU B Q, KINRA V K. Diffraction of Rayleigh waves in a half-space. I. Normal edge crack［J］. The Journal of the Acoustical Society of America, 1985, 77(4): 1425-1430.

[18] [18] EDWARDS R S, JIAN X, FAN Y, et al. Signal enhancement of the in-plane and out-of-plane Rayleigh wave components［J］. Applied Physics Letters, 2005, 87(19): 204.

[19] [19] BLACKSHIRE J L, SATHISH S. Near-field ultrasonic scattering from surface-breaking cracks［J］. Applied Physics Letters, 2002, 80(18): 3442-3444.

[20] [20] HASSAN W, VERONESI W. Finite element analysis of Rayleigh wave interaction with finite-size, surface-breaking cracks［J］. Ultrasonics, 2003, 41(1): 41-52.

[21] [21] FREUND L B. The oblique reflection of a Rayleigh wave from a crack tip［J］. International Journal of Solids and Structures, 1971, 7(9): 1199-1210.