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BS ISO 23865:2021

BS ISO 23865:2021

$189.07

Non-destructive testing. Ultrasonic testing. General use of full matrix capture/total focusing technique (FMC/TFM) and related technologies

Published By Publication Date Number of Pages
BSI 2021 50
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This document gives general provisions for applying ultrasonic testing with arrays using FMC/TFM techniques and related technologies. It is intended to promote the adoption of good practice either at the manufacturing stage or for in-service testing of existing installations or for repairs.

Some examples of applications considered in this document deal with characterization and sizing in damage assessment.

Materials considered are low-alloyed carbon steels and common aerospace grade aluminium and titanium alloys, provided they are homogeneous and isotropic, but some recommendations are given for other materials (e.g. austenitic ones).

This document does not include acceptance levels for discontinuities.

For the application of FMC/TFM to testing of welds, see ISO 23864.

PDF Catalog

PDF Pages PDF Title
2 undefined
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Principle of the technique
4.1 General
9 4.2 Comparison between FMC/TFM and PAUT
10 5 Requirements for surface condition and couplant
11 6 Information required prior to testing
6.1 General
6.2 Items to define prior to procedure development
7 Requirements for test personnel
8 Requirements for test equipment
8.1 General
12 8.2 Instrument
8.3 Probes
13 8.4 Scanning mechanisms
8.5 Sampling frequency
8.6 Data processing
14 8.7 Evaluation of TFM indications
9 Benefits of various imaging paths
15 10 Preparation for testing
10.1 General
10.2 System checking
16 10.3 Sensitivity correction
17 10.4 Sensitivity setting
10.5 Grid verification
10.6 Preparation of scanning surfaces
10.7 Couplant
11 Test procedure
18 12 Data storage
13 Interpretation and analysis of TFM images
13.1 General
19 13.2 Assessing the quality of TFM images
13.3 Identification of relevant TFM indications
14 Test report
20 15 Typical influences and compensation mechanisms
21 Annex A (informative) Comparison of FMC/TFM technique with conventional phased array ultrasonic testing (PAUT)
24 Annex B (informative) FMC/TFM and alternative acquisition and imaging techniques
28 Annex C (informative) Checking of the FMC/TFM setup, ROI and grid
32 Annex D (informative) Recommended settings and examples of FMC/TFM images
48 Bibliography

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BS ISO 23865:2021
$189.07