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ISO 16371-2:2017 Non-destructive testing - Industrial computed radiography with storage phosphor imaging plates - Part 2: General principles for testing of metallic materials using X-rays and gamma rays >
ISO 16371-2:2017 Non-destructive testing - Industrial computed radiography with storage phosphor imaging plates - Part 2: General principles for testing of metallic materials using X-rays and gamma rays, 2017
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Symbols and abbreviated terms
- 5 Personnel qualification
- 6 Classification of computed radiographic techniques and compensation principles
- 6.1 Classification
- 6.2 Compensation principles, CP I and CP II
- 7 General
- 7.1 Protection against ionizing radiation
- 7.2 Surface preparation and stage of manufacture
- 7.3 Identification of radiographs
- 7.4 Marking
- 7.5 Overlap of phosphor imaging plates
- 7.6 Types and positions of image quality indicators and IQI values
- 8 Recommended techniques for making computed radiographs
- 8.1 Test arrangements
- 8.2 Choice of X-ray tube voltage and radiation source
- 8.2.1 X-ray equipment
- 8.2.2 Other radiation sources
- 8.3 CR systems and screens
- 8.3.1 Minimum normalized signal-to-noise ratio
- 8.3.2 Metal screens and shielding
- 8.4 Maximum unsharpness and basic spatial resolution for CR system selection
- 8.4.1 System selection
- 8.4.2 Compensation principle II
- 8.5 Alignment of beam
- 8.6 Reduction of scattered radiation
- 8.6.1 Metal filters and collimators
- 8.6.2 Interception of back scattered radiation
- 8.7 Source to object distance
- 8.7.1 General requirements
- 8.7.2 Testing of planar objects and curved objects with flexible IPs
- 8.7.3 Testing of curved objects with IPs in cassettes
- 8.7.4 Exceptions for panoramic projection exposures with the source in the centre of the pipe
- 8.8 Maximum area for a single exposure
- 8.9 Erasure of imaging plates
- 8.10 Data processing
- 8.10.1 Image processing
- 8.10.2 Monitor, viewing conditions and storage of digital radiographs
- 9 Test report
- Annex A (normative) Determination of basic spatial resolution, 
- Annex B (normative) Determination of normalized SNRN from SNRmeasured
- Annex C (normative) Determination of minimum grey value
- Bibliography [Go to Page]