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Norm

ISO 10863:2011

Ausgabedatum: 2011 08 22

Non-destructive testing of welds — Ultrasonic testing — Use of time-of-flight diffraction technique (TOFD)

ISO 10863:2011 specifies the application of the time-of-flight diffraction (TOFD) technique to the semi- or fully automated ultrasonic testing of fusion-welded joints in ...
ZURÜCKGEZOGEN: 2020 05 14
Herausgeber:
International Organization for Standardization
Format:
Digital | 30 Seiten
Sprache:
Englisch
Aktuell Gültig:

ISO 10863:2011 specifies the application of the time-of-flight diffraction (TOFD) technique to the semi- or fully automated ultrasonic testing of fusion-welded joints in metallic materials of minimum thickness 6 mm. It applies to full penetration welded joints of simple geometry in plates, pipes, and vessels, where both the weld and parent material are low-alloyed carbon steel. Where specified and appropriate, TOFD can also be used on other types of materials that exhibit low ultrasonic attenuation (especially that due to scatter).

Where material-dependent ultrasonic parameters are specified in ISO 10863:2011, they are based on steels having a sound velocity of (5 920 ± 50) m/s for longitudinal waves, and (3 255 ± 30) m/s for transverse waves. It is necessary to take this fact into account when examining materials with a different velocity.

ISO 10863:2011 makes reference to the basic standard EN 583-6 and provides guidance on the specific capabilities and limitations of TOFD for the detection, location, sizing and characterization of discontinuities in fusion-welded joints. TOFD can be used as a stand-alone method or in combination with other NDT methods or techniques, for manufacturing inspection, and for in-service inspection.

ISO 10863:2011 specifies four testing levels (A, B, C, D) in accordance with ISO 17635 and corresponding to an increasing level of inspection reliability. Guidance on the selection of testing levels is provided.

ISO 10863:2011 permits assessment of TOFD indications for acceptance purposes. This assessment is based on the evaluation of transmitted, reflected and diffracted ultrasonic signals within a generated TOFD image.

ISO 10863:2011 does not include acceptance levels for discontinuities.

ISO 10863:2020
2020 05 14
Non-destructive testing of welds — Ultrasonic testing — Use of time-of-flight diffraction technique ...
Norm
ISO 10863:2011
2011 08 22
Non-destructive testing of welds — Ultrasonic testing — Use of time-of-flight diffraction technique ...
Norm
Norm
ISO 10863:2020
Ausgabedatum : 2020 05 14
Non-destructive testing of welds — Ultrasonic testing — Use of time-of-flight diffraction technique (TOFD)