1[2]Kodak. Radiography in Modern Industry[J]. Kodak,London. 1980
2[3]John M F. Evaluation of computed tomography[J]. Materials Evaluation,1990,48(5)
3[4]Dukic I,Dukic P.Advantages and limitations of TOFD technique in casting inspection[A]. Proceedings of the 15th WCNDT[C]. Roma:2000
4[5]Hertlin I,Dr Heldmann K. Acoustic resonance analysis in manufacturing -processes and practical applications[A]. Annual NDT Conference in Celle,Part 3[C]. 1999
5[6]Lavender J D. Historical note on ultrasonic examination of steel castings[J]. Insight,1996,38(8):589
6[7]Kupperman D S, Reimann K J,Abrego-Lopez J. The application of ultrasonic waves to assess grain structure in cast stainless steel[A]. Proceedings of the 11th WCNDT[C]. Las Vegas,NV. USA: 1985-11-03～05.1685
7[8]Kupperman D S, Reimann K J, Abrego-Lopez J. Ultrasonic NDE of cast stainless steel[J]. NDT International,1987,20(3):145～152
8[9]Boveyron C,Villard D,Boudot R. Ultrasonic testing of cast stainless steel components[A]. Proc. of the 11th International Conference on NDE in the Nuclear and Pressure Vessel Industries[C]. Albuquerque,New Mexico,USA:1992-04-30～05-02. 403～408
9[10]Serre M, Viard A, Mathan de N,et al. Ultrasonic NDE techniques enhancement for the cast stainless steel components[A]. The 6th European Conference on NDT[C]. Nice,France:1994-11-24～28.831～835
10[11]SHIE Nang-chian,CHU Shyr-liang. The ultrasonic evaluation of shrinkage defects in stainless steel casting ingot[A]. Proceedings of the 15th WCNDT[C]. Roma:2000
