4Ogilvy J. A. Ultrasonic Beam Profiles and Beam Propagation in an Austenitic Weld Using a Theoretical Ray Tracing Model[J]. Ultrasonics, 1986,24(6): 337
5Hudgell R. J. & Seed H. Ultrasonic Longitudinal Wave Examination of Austenitic Welds[J]. Brit. J. of NDT,1980,22(2):78
6Ogilvy J. A. On the Use of Focused Beam in Austenitic Welds [J]. Brit. J. of NDT ,1987,29(4)
7Wessels J. Ultrasonic Testing of Thin-Walled Austenitic Welds[J]. Int. J. Pres. Ves.&Piping,1989,39(4):295
8Hudgell R.J. &Worrall G.M. Ultrasonic Characterization and Inspection of Austenitic Welds[J]. Int. J.Pres. Ves. & Piping, 1989,39 (4):247
