1Palaniappan M, Subbaramam R, Baskaran A. et al.Effect of Repeated Repairs on the Stainless Steel Welds upon the Ultrasonic Examination Sensitivity [A]. Proceedings of the 141h World Conference on Non destruetlve Testing (14th WCNDT) [C]. New Delhi, 1996.
2Sedriks A john. Corrosion of Staintess Steel[M]. New York: JOHN WILEY & SONS INC, 1996.