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PRCI PR-220-9421
- The Development of a TOFD Image Reference Collection
- Report / Survey by Pipeline Research Council International, 06/01/1997
- Publisher: PRCI
$448.00$895.00
L51815e
RTD Quality Services (Rontgen Technische Dienst bv)
Need: The Time Of Flight Diffraction (TOFD) Technique is rapidly gaining importance as a reliable NDT technique for weld inspection, capable of both detection and sizing of defects. The acquisition of TOFD inspection data is fast and straightforward; the crucial step in inspection reliability is therefore its interpretation. A reliable interpretation of TOFD images requires considerable training and skill, and in that respect bears resemblance to the interpretation of radiographic images. Therefore a need was recognized to develop a TOFD Image Reference Collection, by analogy with the existing and widely known IIW Collection of Reference Radiographs of Welds in Steel, to assist TOFD operators in analyzing images.
Result: This report describes the work conducted in a research project for PRCI, with the objective to arrive at a reference collection of TOFD Images. The TOFD image collection is a stand-alone document. Revision 0 contains, apart from typical inspection results for most defect types, an extensive introduction describing purpose, scope and instructions for use.
Benefit: This collection is expected to be invaluable for training purposes and to provide supervisors with an independent source of information to get acquainted to the inspection method and to check the quality of on-going inspections.
RTD Quality Services (Rontgen Technische Dienst bv)
Need: The Time Of Flight Diffraction (TOFD) Technique is rapidly gaining importance as a reliable NDT technique for weld inspection, capable of both detection and sizing of defects. The acquisition of TOFD inspection data is fast and straightforward; the crucial step in inspection reliability is therefore its interpretation. A reliable interpretation of TOFD images requires considerable training and skill, and in that respect bears resemblance to the interpretation of radiographic images. Therefore a need was recognized to develop a TOFD Image Reference Collection, by analogy with the existing and widely known IIW Collection of Reference Radiographs of Welds in Steel, to assist TOFD operators in analyzing images.
Result: This report describes the work conducted in a research project for PRCI, with the objective to arrive at a reference collection of TOFD Images. The TOFD image collection is a stand-alone document. Revision 0 contains, apart from typical inspection results for most defect types, an extensive introduction describing purpose, scope and instructions for use.
Benefit: This collection is expected to be invaluable for training purposes and to provide supervisors with an independent source of information to get acquainted to the inspection method and to check the quality of on-going inspections.
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