NDT.net - February 2001, Vol. 6 No. 2

Code Review: Time-of-Flight Diffraction and Pulse Echo Line Scanning
Presented in the Seminar on Automated Ultrasonic Inspection of Welds Using Time-of-Flight Diffraction and Pulse Echo Line Scanning at Edison Welding Institute in March 2000

E. Ginzel
Materials Research Institute
Waterloo (ON) Canada
M. G. Lozev, Ph.D.
Senior Engineer
Edison Welding Institute
NDE Technology Team
1250 Arthur E. Adams Dr. Columbus, OH 43221
Phone: 614-688-5188, Fax: 614-688-5001
email: mark_lozev@ewi.org

Overview

Codes, Standardes and Procedures

Code versus Guide

Some Rules applicable to UT or in which UT is applicable

Codes and Mechanised UT

Codes considering TOFD

Projects, communications, Code Cases and the future

Where are we heading now

Summary

Reference

  1. Maurice Silk, Interpretation of TOFD data in the light of ASME XI and similar rules British Journal of NDT vol 31, May 1989
  2. Lilley. J. and Osborne P., Weld Metal Fabrication  v 59 n 8 Oct 1991 3p
  3. BS 7706 (1993) Guide to Calibration and setting-up of the ultrasonic time-of-flight diffraction (TOFD) technique for detection , location and sizing of flaws.  British Standards Institute 1993.
  4. Pr EN 583-6, Time of Flight Diffraction Technique as a method for defect detection and sizing
  5. ASME Boiler & Pressure Vessel Code, Section V (CIT option in Article 4)
  6. ASME Boiler & Pressure Vessel Code, Section VIII (Code Case 2235 UT in lieu of RT)
  7. ASME Boiler & Pressure Vessel Code, Section XI (for accurate sizing)
  8. Olav Forli, et al, “Guidelines for Replacing NDE Techniques with One Another” Nordtest. 1994
  9. KINT pr EN xxx draft Standard, “De ontwikkelig von acceptatiecriteria voor de TOFD onderzoemethode” (Acceptance Criteria for Time of Flight Diffraction).

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