Radoigraphic Film Interpretation
1.0 Radiographic Viewing
- 1. 1 Film-illuminator requirements
- 1.2 Background lighting
- 1.3 Multiple-composite viewing
- 1.4 Penetrameter placement
- 1.5 Personnel dark adaptation and visual acuity
- 1 .6 Film identification
- 1.7 Location markers
- 1.8 Film-density measurement
- 1.9 Film artifacts
2.0 Application Techniques
- 2.1 Multiple-film techniques
- 2.2.1 Thickness-variation parameters
- 2.2.2 Film speed
- 2.2.3 Film latitude
- 2.2 Enlargement and projection
- 2.3 Geometrical relationships
- 2.3.1 Geometrical unsharpness
- 2.3.2 Penetrameter sensitivity
- 2.3.3 Source-to-film distance
- 2.3.4 Focal-spot size
- 2.4 Triangulation methods for discontinuity location
- 2.5 Localized magnification
- 2.6 Film-handling techniques
3.0 Evaluation of Castings
- 3.1 Casting-method review
- 3.2 Casting discontinuities
- 3.3 Origin and typical orientation of discontinuities
- 3.4 Radiographic appearance
- 3.5 Casting codes/standards - applicable acceptance criteria
- 3.6 Reference radiographs
4.0 Evaluation of Weldments
- 4.1 Welding-method review
- 4.2 Welding discontinuities
- 4.3 Origin and typical orientation of discontinuities
- 4.4 Radiographic appearance
- 4.5 Welding codes/standards - applicable acceptance criteria
- 4.6 Reference radiographs or pictograms
5.0 Standards. Codes, and Procedures for Radiography
- 5.1 ASTM standards
- 5.2 Acceptable radiographic techniques and setups
- 5.3 Applicable employer procedures
- 5.4 Procedure for radiograph parameter verification
- 5.5 Radiographic reports