[2] [2] FUCHS P A, CLARK A V, LOZEV M G. Ultrasonic instrumentation for measuring applied stress on bridges[J]. Journal of Nondestructive Evaluation, 1998,17(3):141-152.

[3] [3] DUQUENNOY M,OUAFLOUH M,QIAN M L,et al. Ultrasonic characterization of residual stresses in steel rods using a laser line source and piezoelectric transducers[J]. NDT & E International, 2001,34(5):355-362.

[4] [4] HASEGAWA Masumi,MATSUMURA Junji,KUSANO Ryoichi. Acoustoelastic effect in melia azedarach for nondestructive stress measurement[J]. Construction and Building Materials, 2010,24(9):1713-1717.

[5] [5] JHANG K Y,QUAN H H,HA J, et al. Estimation of clamping force in high-tension bolts through ultrasonic velocity measurement [J]. Ultrasonics, 2006,44(1):1339-1342.

[7] [7] SCHRAMM R E,RAYMOND E. Ultrasonic measurement of stress in railroad wheels[J]. Review of Scientific Instruments, 1999,70(2):1468-1472.

[8] [8] ZHU Qimeng,CHEN Jia,GOU Guoqing. Residual stress measurement and calibration for A7N01 aluminum alloy welded joints by using Longitudinal Critically Refracted(LCR) wave transmission method[J]. Journal of Materials Engineering and Performance, 2016,25(10):4181-4189.